From 8772821e97e708b9c02abcf1272c7890941a3ee5 Mon Sep 17 00:00:00 2001
From: YangKeao <yangkeao@chunibyo.icu>
Date: Sun, 8 Oct 2023 15:19:52 +0800
Subject: [PATCH] planner, tests: migrate tests for `plan_cache` into the
 integrationtest (#47443)

close pingcap/tidb#47173
---
 planner/core/BUILD.bazel                      |    1 -
 planner/core/plan_cache_test.go               | 1517 +----------
 .../planner/core/integration_partition.result |    2 +-
 .../r/planner/core/plan_cache.result          | 2282 +++++++++++++++++
 .../t/planner/core/integration_partition.test |    1 +
 .../t/planner/core/plan_cache.test            | 1431 +++++++++++
 6 files changed, 3721 insertions(+), 1513 deletions(-)
 create mode 100644 tests/integrationtest/r/planner/core/plan_cache.result
 create mode 100644 tests/integrationtest/t/planner/core/plan_cache.test

diff --git a/planner/core/BUILD.bazel b/planner/core/BUILD.bazel
index 0d3f413e512af..42469d2413ebf 100644
--- a/planner/core/BUILD.bazel
+++ b/planner/core/BUILD.bazel
@@ -277,7 +277,6 @@ go_test(
         "//util/plancodec",
         "//util/ranger",
         "//util/set",
-        "//util/size",
         "//util/stmtsummary",
         "//util/tracing",
         "@com_github_golang_snappy//:snappy",
diff --git a/planner/core/plan_cache_test.go b/planner/core/plan_cache_test.go
index 9454a325e3f0b..2f9910c5c3c4c 100644
--- a/planner/core/plan_cache_test.go
+++ b/planner/core/plan_cache_test.go
@@ -37,7 +37,6 @@ import (
 	"github.com/pingcap/tidb/types"
 	driver "github.com/pingcap/tidb/types/parser_driver"
 	"github.com/pingcap/tidb/util"
-	"github.com/pingcap/tidb/util/size"
 	"github.com/stretchr/testify/require"
 )
 
@@ -64,92 +63,6 @@ func TestIssue45086(t *testing.T) {
 	require.Equal(t, len(tk.MustQuery(`EXECUTE stmt`).Rows()), 1)
 }
 
-func TestIssue43311(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table test.t (id int, value decimal(7,4), c1 int, c2 int)`)
-	tk.MustExec(`insert into test.t values (1,1.9285,54,28), (1,1.9286,54,28)`)
-
-	tk.MustExec(`set session tidb_enable_non_prepared_plan_cache=0`)
-	tk.MustQuery(`select * from t where value = 54 / 28`).Check(testkit.Rows()) // empty
-
-	tk.MustExec(`set session tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustQuery(`select * from t where value = 54 / 28`).Check(testkit.Rows()) // empty
-	tk.MustQuery(`select * from t where value = 54 / 28`).Check(testkit.Rows()) // empty
-
-	tk.MustExec(`prepare st from 'select * from t where value = ? / ?'`)
-	tk.MustExec(`set @a=54, @b=28`)
-	tk.MustQuery(`execute st using @a, @b`).Check(testkit.Rows()) // empty
-	tk.MustQuery(`execute st using @a, @b`).Check(testkit.Rows()) // empty
-}
-
-func TestIssue44830(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`set @@tidb_opt_fix_control = "44830:ON"`)
-	tk.MustExec(`create table t (a int, primary key(a))`)
-	tk.MustExec(`create table t1 (a int, b int, primary key(a, b))`) // multiple-column primary key
-	tk.MustExec(`insert into t values (1), (2), (3)`)
-	tk.MustExec(`insert into t1 values (1, 1), (2, 2), (3, 3)`)
-	tk.MustExec(`set @a=1, @b=2, @c=3`)
-
-	// single-column primary key cases
-	tk.MustExec(`prepare st from 'select * from t where 1=1 and a in (?, ?, ?)'`)
-	tk.MustQuery(`execute st using @a, @b, @c`).Sort().Check(testkit.Rows("1", "2", "3"))
-	tk.MustQuery(`execute st using @a, @b, @c`).Sort().Check(testkit.Rows("1", "2", "3"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustQuery(`execute st using @a, @b, @b`).Sort().Check(testkit.Rows("1", "2"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0")) // range length changed
-	tk.MustQuery(`execute st using @b, @b, @b`).Sort().Check(testkit.Rows("2"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0")) // range length changed
-	tk.MustQuery(`execute st using @a, @b, @c`).Sort().Check(testkit.Rows("1", "2", "3"))
-	tk.MustQuery(`execute st using @a, @b, @b`).Sort().Check(testkit.Rows("1", "2"))
-	tk.MustQuery(`execute st using @a, @b, @b`).Sort().Check(testkit.Rows("1", "2"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0")) // contain duplicated values in the in-list
-
-	// multi-column primary key cases
-	tk.MustExec(`prepare st from 'select * from t1 where 1=1 and (a, b) in ((?, ?), (?, ?), (?, ?))'`)
-	tk.MustQuery(`execute st using @a, @a, @b, @b, @c, @c`).Sort().Check(testkit.Rows("1 1", "2 2", "3 3"))
-	tk.MustQuery(`execute st using @a, @a, @b, @b, @c, @c`).Sort().Check(testkit.Rows("1 1", "2 2", "3 3"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustQuery(`execute st using @a, @a, @b, @b, @b, @b`).Sort().Check(testkit.Rows("1 1", "2 2"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0")) // range length changed
-	tk.MustQuery(`execute st using @b, @b, @b, @b, @b, @b`).Sort().Check(testkit.Rows("2 2"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0")) // range length changed
-	tk.MustQuery(`execute st using @b, @b, @b, @b, @c, @c`).Sort().Check(testkit.Rows("2 2", "3 3"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0")) // range length changed
-	tk.MustQuery(`execute st using @a, @a, @a, @a, @a, @a`).Sort().Check(testkit.Rows("1 1"))
-	tk.MustQuery(`execute st using @a, @a, @a, @a, @a, @a`).Sort().Check(testkit.Rows("1 1"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0")) // contain duplicated values in the in-list
-	tk.MustQuery(`execute st using @a, @a, @b, @b, @b, @b`).Sort().Check(testkit.Rows("1 1", "2 2"))
-	tk.MustQuery(`execute st using @a, @a, @b, @b, @b, @b`).Sort().Check(testkit.Rows("1 1", "2 2"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0")) // contain duplicated values in the in-list
-}
-
-func TestIssue44830NonPrep(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`set @@tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustExec(`set @@tidb_opt_fix_control = "44830:ON"`)
-	tk.MustExec(`create table t1 (a int, b int, primary key(a, b))`) // multiple-column primary key
-	tk.MustExec(`insert into t1 values (1, 1), (2, 2), (3, 3)`)
-	tk.MustExec(`set @a=1, @b=2, @c=3`)
-
-	tk.MustQuery(`select * from t1 where 1=1 and (a, b) in ((1, 1), (2, 2), (3, 3))`).Sort().Check(testkit.Rows("1 1", "2 2", "3 3"))
-	tk.MustQuery(`select * from t1 where 1=1 and (a, b) in ((1, 1), (2, 2), (3, 3))`).Sort().Check(testkit.Rows("1 1", "2 2", "3 3"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustQuery(`select * from t1 where 1=1 and (a, b) in ((1, 1), (2, 2), (2, 2))`).Sort().Check(testkit.Rows("1 1", "2 2"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustQuery(`select * from t1 where 1=1 and (a, b) in ((2, 2), (2, 2), (2, 2))`).Sort().Check(testkit.Rows("2 2"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustQuery(`select * from t1 where 1=1 and (a, b) in ((1, 1), (1, 1), (1, 1))`).Sort().Check(testkit.Rows("1 1"))
-	tk.MustQuery(`select * from t1 where 1=1 and (a, b) in ((1, 1), (1, 1), (1, 1))`).Sort().Check(testkit.Rows("1 1"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-}
-
 func TestPlanCacheSizeSwitch(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -177,206 +90,6 @@ func TestPlanCacheSizeSwitch(t *testing.T) {
 	tk2.MustQuery(`select @@tidb_session_plan_cache_size`).Check(testkit.Rows("500"))
 }
 
-func TestPlanCacheUnsafeRange(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table t (a int unsigned, key(a))`)
-	tk.MustExec(`prepare st from 'select a from t use index(a) where a<?'`)
-	tk.MustExec(`set @a=10`)
-	tk.MustExec(`execute st using @a`)
-	tk.MustExec(`execute st using @a`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustExec(`set @a=-10`) // invalid range for an unsigned column
-	tk.MustExec(`execute st using @a`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`set @a=10`) // plan cache can work again
-	tk.MustExec(`execute st using @a`)
-	tk.MustExec(`execute st using @a`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-
-	tk.MustExec(`create table t1 (a enum('1', '2'), key(a))`)
-	tk.MustExec(`prepare st from 'select a from t1 use index(a) where a=?'`)
-	tk.MustExec(`set @a='1'`)
-	tk.MustExec(`execute st using @a`)
-	tk.MustExec(`execute st using @a`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustExec(`set @a='x'`) // invalid value for this column
-	tk.MustExec(`execute st using @a`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`set @a='1'`) // plan cache can work again
-	tk.MustExec(`execute st using @a`)
-	tk.MustExec(`execute st using @a`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-}
-
-func TestIssue43405(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-
-	tk.MustExec(`create table t (a int)`)
-	tk.MustExec(`insert into t values (1), (2), (3), (4)`)
-	tk.MustExec(`prepare st from 'select * from t where a!=? and a in (?, ?, ?)'`)
-	tk.MustExec(`set @a=1, @b=2, @c=3, @d=4`)
-	tk.MustQuery(`execute st using @a, @a, @a, @a`).Sort().Check(testkit.Rows())
-	tk.MustQuery(`show warnings`).Check(testkit.Rows("Warning 1105 skip prepared plan-cache: NE/INList simplification is triggered"))
-	tk.MustQuery(`execute st using @a, @a, @b, @c`).Sort().Check(testkit.Rows("2", "3"))
-	tk.MustQuery(`show warnings`).Check(testkit.Rows("Warning 1105 skip prepared plan-cache: NE/INList simplification is triggered"))
-	tk.MustQuery(`execute st using @a, @b, @c, @d`).Sort().Check(testkit.Rows("2", "3", "4"))
-	tk.MustQuery(`show warnings`).Check(testkit.Rows("Warning 1105 skip prepared plan-cache: NE/INList simplification is triggered"))
-
-	tk.MustExec(`CREATE TABLE UK_SIGNED_19384 (
-    COL1 decimal(37,4) unsigned DEFAULT NULL COMMENT 'WITH DEFAULT',
-    COL2 varchar(20) COLLATE utf8mb4_bin DEFAULT NULL,
-    COL4 datetime DEFAULT NULL,
-    COL3 bigint DEFAULT NULL,
-    COL5 float DEFAULT NULL,
-    UNIQUE KEY UK_COL1 (COL1)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin`)
-	tk.MustExec(`INSERT INTO UK_SIGNED_19384 VALUES
-  (729024465529090.5423,'劗驻胭毤橰亀讁陶ĉ突錌ͳ河碡祁聓兕锻觰俆','4075-07-11 12:02:57',6021562653572886552,1.93349e38),
-  (492790234219503.0846,'硴皡箒嫹璞玚囑蚂身囈軔獰髴囥慍廂頚禌浖蕐','1193-09-27 12:13:40',1836453747944153034,-2.67982e38),
-  (471841432147994.4981,'豻貐裝濂婝蒙蘦镢県蟎髓蓼窘搴熾臐哥递泒執','1618-01-24 05:06:44',6669616052974883820,9.38232e37)`)
-	tk.MustExec(`prepare stmt from 'select/*+ tidb_inlj(t1) */ t1.col1 from UK_SIGNED_19384 t1 join UK_SIGNED_19384 t2 on t1.col1 = t2.col1 where t1. col1 != ? and t2. col1 in (?, ?, ?)'`)
-	tk.MustExec(`set @a=999999999999999999999999999999999.9999, @b=999999999999999999999999999999999.9999, @c=999999999999999999999999999999999.9999, @d=999999999999999999999999999999999.9999`)
-	tk.MustQuery(`execute stmt using @a,@b,@c,@d`).Check(testkit.Rows()) // empty result
-	tk.MustExec(`set @a=895769331208356.9029, @b=471841432147994.4981, @c=729024465529090.5423, @d=492790234219503.0846`)
-	tk.MustQuery(`execute stmt using @a,@b,@c,@d`).Sort().Check(testkit.Rows(
-		"471841432147994.4981",
-		"492790234219503.0846",
-		"729024465529090.5423"))
-}
-
-func TestIssue40296(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`create database test_40296`)
-	tk.MustExec(`use test_40296`)
-	tk.MustExec(`CREATE TABLE IDT_MULTI15880STROBJSTROBJ (
-  COL1 enum('aa','bb','cc','dd','ff','gg','kk','ll','mm','ee') DEFAULT NULL,
-  COL2 decimal(20,0) DEFAULT NULL,
-  COL3 date DEFAULT NULL,
-  KEY U_M_COL4 (COL1,COL2),
-  KEY U_M_COL5 (COL3,COL2))`)
-	tk.MustExec(`insert into IDT_MULTI15880STROBJSTROBJ values("ee", -9605492323393070105, "0850-03-15")`)
-	tk.MustExec(`set session tidb_enable_non_prepared_plan_cache=on`)
-	tk.MustQuery(`select * from IDT_MULTI15880STROBJSTROBJ where col1 in ("dd", "dd") or col2 = 9923875910817805958 or col3 = "9994-11-11"`).Check(
-		testkit.Rows())
-	tk.MustQuery(`select * from IDT_MULTI15880STROBJSTROBJ where col1 in ("aa", "aa") or col2 = -9605492323393070105 or col3 = "0005-06-22"`).Check(
-		testkit.Rows("ee -9605492323393070105 0850-03-15"))
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0")) // unary operator '-' is not supported now.
-}
-
-func TestIssue43522(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`CREATE TABLE UK_SIGNED_19385 (
-  COL1 decimal(37,4) unsigned DEFAULT '101.0000' COMMENT 'WITH DEFAULT',
-  COL2 varchar(20) DEFAULT NULL,
-  COL4 datetime DEFAULT NULL,
-  COL3 bigint(20) DEFAULT NULL,
-  COL5 float DEFAULT NULL,
-  UNIQUE KEY UK_COL1 (COL1) /*!80000 INVISIBLE */)`)
-	tk.MustExec(`INSERT INTO UK_SIGNED_19385 VALUES (999999999999999999999999999999999.9999,'苊檷鞤寰抿逿詸叟艟俆錟什姂庋鴪鎅枀礰扚匝','8618-02-11 03:30:03',7016504421081900731,2.77465e38)`)
-	tk.MustQuery(`select * from UK_SIGNED_19385 where col1 = 999999999999999999999999999999999.9999 and
-    col1 * 999999999999999999999999999999999.9999 between 999999999999999999999999999999999.9999 and
-    999999999999999999999999999999999.9999`).Check(testkit.Rows()) // empty and no error
-}
-
-func TestIssue43520(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`CREATE TABLE IDT_20290 (
-  COL1 mediumtext DEFAULT NULL,
-  COL2 decimal(52,7) DEFAULT NULL,
-  COL3 datetime DEFAULT NULL,
-  KEY U_M_COL (COL1(10),COL2,COL3) /*!80000 INVISIBLE */)`)
-	tk.MustExec(`INSERT INTO IDT_20290 VALUES
-  ('',210255309400.4264137,'4273-04-17 17:26:51'),
-  (NULL,952470120213.2538798,'7087-08-19 21:38:49'),
-  ('俦',486763966102.1656494,'8846-06-12 12:02:13'),
-  ('憁',610644171405.5953911,'2529-07-19 17:24:49'),
-  ('顜',-359717183823.5275069,'2599-04-01 00:12:08'),
-  ('塼',466512908211.1135111,'1477-10-20 07:14:51'),
-  ('宻',-564216096745.0427987,'7071-11-20 13:38:24'),
-  ('網',-483373421083.4724254,'2910-02-19 18:29:17'),
-  ('顥',164020607693.9988781,'2820-10-12 17:38:44'),
-  ('谪',25949740494.3937876,'6527-05-30 22:58:37')`)
-	err := tk.QueryToErr(`select * from IDT_20290 where col2 * 049015787697063065230692384394107598316198958.1850509 >= 659971401668884663953087553591534913868320924.5040396 and col2 = 869042976700631943559871054704914143535627349.9659934`)
-	require.ErrorContains(t, err, "value is out of range in")
-}
-
-func TestIssue14875(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table t(a varchar(8) not null, b varchar(8) not null)`)
-	tk.MustExec(`insert into t values('1','1')`)
-	tk.MustExec(`prepare stmt from "select count(1) from t t1, t t2 where t1.a = t2.a and t2.b = '1' and t2.b = ?"`)
-	tk.MustExec(`set @a = '1'`)
-	tk.MustQuery(`execute stmt using @a`).Check(testkit.Rows("1"))
-	tk.MustExec(`set @a = '2'`)
-	tk.MustQuery(`execute stmt using @a`).Check(testkit.Rows("0"))
-
-	tk.MustExec(`prepare stmt from "select count(1) from t t1, t t2 where t1.a = t2.a and t1.a > ?"`)
-	tk.MustExec(`set @a = '1'`)
-	tk.MustQuery(`execute stmt using @a`).Check(testkit.Rows("0"))
-	tk.MustExec(`set @a = '0'`)
-	tk.MustQuery(`execute stmt using @a`).Check(testkit.Rows("1"))
-}
-
-func TestIssue14871(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table t(a varchar(8), b varchar(8))`)
-	tk.MustExec(`insert into t values('1','1')`)
-	tk.MustExec(`prepare stmt from "select count(1) from t t1 left join t t2 on t1.a = t2.a where t2.b = ? and t2.b = ?"`)
-	tk.MustExec(`set @p0 = '1', @p1 = '2'`)
-	tk.MustQuery(`execute stmt using @p0, @p1`).Check(testkit.Rows("0"))
-	tk.MustExec(`set @p0 = '1', @p1 = '1'`)
-	tk.MustQuery(`execute stmt using @p0, @p1`).Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheDMLHints(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table t (a int)`)
-	tk.MustExec(`set @@tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustExec(`set @@tidb_enable_non_prepared_plan_cache_for_dml=1`)
-
-	tk.MustExec(`insert into t values (1)`)
-	tk.MustExec(`insert into t values (1)`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustExec(`update t set a=1`)
-	tk.MustExec(`update t set a=1`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustExec(`delete from t where a=1`)
-	tk.MustExec(`delete from t where a=1`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-
-	tk.MustExec(`insert /*+ ignore_plan_cache() */ into t values (1)`)
-	tk.MustExec(`insert /*+ ignore_plan_cache() */ into t values (1)`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`update /*+ ignore_plan_cache() */ t set a=1`)
-	tk.MustExec(`update /*+ ignore_plan_cache() */ t set a=1`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`delete /*+ ignore_plan_cache() */ from t where a=1`)
-	tk.MustExec(`delete /*+ ignore_plan_cache() */ from t where a=1`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-
-	tk.MustExec(`insert into t values (1)`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustExec(`update t set a=1`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustExec(`delete from t where a=1`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-}
-
 func TestNonPreparedPlanCachePlanString(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -406,424 +119,6 @@ func TestNonPreparedPlanCachePlanString(t *testing.T) {
 	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
 }
 
-func TestNonPreparedPlanCacheJSONFilter(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int, b json)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`select * from t where a<1`)
-	tk.MustExec(`select * from t where a<2`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	// queries with filters with JSON columns are not supported
-	tk.MustExec(`select * from t where b<1`)
-	tk.MustExec(`select * from t where b<2`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-
-	tk.MustExec(`select b from t where a<1`)
-	tk.MustExec(`select b from t where a<2`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheEnumFilter(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int, b enum('1', '2', '3'))")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`select * from t where a<1`)
-	tk.MustExec(`select * from t where a<2`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	// queries with filters with enum columns are not supported
-	tk.MustExec(`select * from t where b='1'`)
-	tk.MustExec(`select * from t where b='2'`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-
-	tk.MustExec(`select b from t where a<1`)
-	tk.MustExec(`select b from t where a<2`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheDateFormat(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`create table t1 (s1 char(20) character set latin1)`)
-	tk.MustExec(`insert into t1 values (date_format('2004-02-02','%M'))`) // no error
-	tk.MustQuery(`select * from t1`).Check(testkit.Rows(`February`))
-}
-
-func TestNonPreparedPlanCacheNullValue(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`select * from t where a=1`)
-	tk.MustExec(`select * from t where a=2`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	tk.MustExec(`select * from t where a=null`) // query with null value cannot hit
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-
-	tk.MustExec(`select * from t where a=2`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheInListChange(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`select * from t where a in (1, 2, 3)`)
-	tk.MustExec(`select * from t where a in (2, 3, 4)`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	tk.MustExec(`select * from t where a in (2, 3, 4, 5)`) // cannot hit the previous plan
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-	tk.MustExec(`select * from t where a in (1, 2, 3, 4)`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheMemoryTable(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`select data_type from INFORMATION_SCHEMA.columns where table_name = 'v'`)
-	tk.MustExec(`select data_type from INFORMATION_SCHEMA.columns where table_name = 'v'`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-}
-
-func TestNonPreparedPlanCacheTooManyConsts(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	var x []string
-	for i := 0; i < 201; i++ {
-		x = append(x, fmt.Sprintf("%v", i))
-	}
-	list1 := strings.Join(x[:199], ", ")
-	list2 := strings.Join(x[:200], ", ")
-	list3 := strings.Join(x[:201], ", ")
-
-	tk.MustExec(fmt.Sprintf(`select * from t where a in (%v)`, list1))
-	tk.MustExec(fmt.Sprintf(`select * from t where a in (%v)`, list1))
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-	tk.MustExec(fmt.Sprintf(`select * from t where a in (%v)`, list2))
-	tk.MustExec(fmt.Sprintf(`select * from t where a in (%v)`, list2))
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	// query has more than 50 consts cannot hit
-	tk.MustExec(fmt.Sprintf(`select * from t where a in (%v)`, list3))
-	tk.MustExec(fmt.Sprintf(`select * from t where a in (%v)`, list3))
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-}
-
-func TestNonPreparedPlanCacheSchemaChange(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec("select * from t where a=1")
-	tk.MustExec("select * from t where a=1")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	tk.MustExec("alter table t add index idx_a(a)")
-	tk.MustExec("select * from t where a=1")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0")) // cannot hit since the schema changed
-	tk.MustExec("select * from t where a=1")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedCacheWithPreparedCache(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`prepare st from 'select * from t where a=1'`)
-	tk.MustExec(`execute st`)
-	tk.MustExec(`execute st`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	tk.MustExec(`select * from t where a=1`) // cannot hit since these 2 plan cache are separated
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-	tk.MustExec(`select * from t where a=1`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheSwitch(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`select * from t where a=1`)
-	tk.MustExec(`select * from t where a=1`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=0")
-	tk.MustExec(`select * from t where a=1`) // the session-level switch can take effect in real time
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-}
-
-func TestNonPreparedPlanCacheSwitch2(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-
-	for nonPrep := 0; nonPrep <= 1; nonPrep++ {
-		for prep := 0; prep <= 1; prep++ {
-			tk.MustExec("create table t(a int)")
-			tk.MustExec(fmt.Sprintf(`set tidb_enable_non_prepared_plan_cache=%v`, nonPrep))
-			tk.MustExec(fmt.Sprintf(`set tidb_enable_prepared_plan_cache=%v`, prep))
-
-			tk.MustExec(`select * from t where a<1`)
-			tk.MustExec(`select * from t where a<2`)
-			tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows(fmt.Sprintf("%v", nonPrep)))
-
-			tk.MustExec(`prepare st from 'select * from t where a<?'`)
-			tk.MustExec(`set @a=1`)
-			tk.MustExec(`execute st using @a`)
-			tk.MustExec(`set @a=2`)
-			tk.MustExec(`execute st using @a`)
-			tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows(fmt.Sprintf("%v", prep)))
-
-			tk.MustExec("drop table t")
-		}
-	}
-}
-
-func TestNonPreparedPlanCacheUnknownSchema(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table tt(a char(2) primary key, b char(2))`)
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-	err := tk.ExecToErr(`select tt.* from tt tmp where a='aa'`)
-	require.Equal(t, err.Error(), "[planner:1051]Unknown table 'tt'")
-}
-
-func TestNonPreparedPlanCacheReason(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`explain format = 'plan_cache' select * from t where a=1`)
-	tk.MustExec(`explain format = 'plan_cache' select * from t where a=1`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-
-	tk.MustExec(`explain format = 'plan_cache' select * from (select * from t) tx`)
-	tk.MustQuery(`show warnings`).Check(testkit.Rows(`Warning 1105 skip non-prepared plan-cache: queries that have sub-queries are not supported`))
-
-	// no warning if disable this feature
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=0")
-	tk.MustExec(`explain format = 'plan_cache' select * from t where a+1=1`)
-	tk.MustQuery(`show warnings`).Check(testkit.Rows())
-	tk.MustExec(`explain format = 'plan_cache' select * from t t1, t t2`)
-	tk.MustQuery(`show warnings`).Check(testkit.Rows())
-	tk.MustExec(`explain format = 'plan_cache' select * from t where a in (select a from t)`)
-	tk.MustQuery(`show warnings`).Check(testkit.Rows())
-}
-
-func TestNonPreparedPlanCacheSysSchema(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-	tk.MustExec(`explain format='plan_cache' select address from PERFORMANCE_SCHEMA.tikv_profile_cpu`)
-	tk.MustQuery(`show warnings`).Check(testkit.Rows(`Warning 1105 skip non-prepared plan-cache: access tables in system schema`))
-
-	tk.MustExec(`use PERFORMANCE_SCHEMA`)
-	tk.MustExec(`explain format='plan_cache' select address from tikv_profile_cpu`)
-	tk.MustQuery(`show warnings`).Check(testkit.Rows(`Warning 1105 skip non-prepared plan-cache: access tables in system schema`))
-}
-
-func TestNonPreparedPlanCacheSQLMode(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`select * from t where a=1`)
-	tk.MustExec(`select * from t where a=1`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-	tk.MustExec("set @@sql_mode=''") // cannot hit since sql-mode changed
-	tk.MustExec(`select * from t where a=1`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-	tk.MustExec(`select * from t where a=1`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
-func TestPreparedPlanCacheLargePlan(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int, b int, c varchar(2048))")
-
-	baseSQL := "select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b"
-	var baseSQLs []string
-	for i := 0; i < 30; i++ {
-		baseSQLs = append(baseSQLs, baseSQL)
-	}
-
-	tk.MustExec("prepare st from '" + strings.Join(baseSQLs[:15], " union all ") + "'")
-	tk.MustExec("execute st")
-	tk.MustExec("execute st")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1")) // less than 2MB threshold
-
-	tk.MustExec("prepare st from '" + strings.Join(baseSQLs[:30], " union all ") + "'")
-	tk.MustExec("execute st")
-	tk.MustExec("execute st")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0")) // large than 2MB threshold
-
-	tk.MustExec(fmt.Sprintf("set tidb_plan_cache_max_plan_size=%v", 1*size.GB))
-	tk.MustExec("execute st")
-	tk.MustExec("execute st")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1")) // less than 1GB threshold
-}
-
-func TestPreparedPlanCacheLongInList(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int, b int)")
-
-	genInList := func(l int) string {
-		var elements []string
-		for i := 0; i < l; i++ {
-			elements = append(elements, fmt.Sprintf("%v", i))
-		}
-		return "(" + strings.Join(elements, ",") + ")"
-	}
-
-	// the limitation is 200
-	tk.MustExec(fmt.Sprintf(`prepare st_199 from 'select * from t where a in %v'`, genInList(199)))
-	tk.MustExec(`execute st_199`)
-	tk.MustExec(`execute st_199`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-
-	tk.MustExec(fmt.Sprintf(`prepare st_201 from 'select * from t where a in %v'`, genInList(201)))
-	tk.MustExec(`execute st_201`)
-	tk.MustExec(`execute st_201`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-
-	tk.MustExec(fmt.Sprintf(`prepare st_99_100 from 'select * from t where a in %v and b in %v'`, genInList(99), genInList(100)))
-	tk.MustExec(`execute st_99_100`)
-	tk.MustExec(`execute st_99_100`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-
-	tk.MustExec(fmt.Sprintf(`prepare st_100_101 from 'select * from t where a in %v and b in %v'`, genInList(100), genInList(101)))
-	tk.MustExec(`execute st_100_101`)
-	tk.MustExec(`execute st_100_101`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-}
-
-func TestPreparedPlanCacheStats(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int)")
-	tk.MustExec("insert into t values (2)")
-
-	tk.MustExec(`prepare st from 'select * from t where a=?'`)
-	tk.MustExec(`set @a=1`)
-	tk.MustExec(`execute st using @a`)
-	tk.MustExec(`execute st using @a`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustExec("analyze table t")
-	tk.MustExec("set tidb_plan_cache_invalidation_on_fresh_stats = 0")
-	tk.MustExec(`execute st using @a`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustExec("set tidb_plan_cache_invalidation_on_fresh_stats = 1")
-	tk.MustExec(`execute st using @a`) // stats changes can affect prep cache hit if we turn on the variable
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`execute st using @a`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheStats(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int)")
-	tk.MustExec("insert into t values (2)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`select * from t where a=1`)
-	tk.MustExec(`select * from t where a=1`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-	tk.MustExec("analyze table t")
-	tk.MustExec(`select * from t where a=1`) // stats changes can affect non-prep cache hit
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-	tk.MustExec(`select * from t where a=1`)
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheHints(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int, index(a))")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec("select /*+ use_index(t, a) */ * from t where a=1")
-	tk.MustExec("select /*+ use_index(t, a) */ * from t where a=1") // cannot hit since it has a hint
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-
-	tk.MustExec("select * from t where a=1")
-	tk.MustExec("select * from t where a=1")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheParamInit(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table tx(a double, b int)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-	tk.MustExec(`insert into tx values (3.0, 3)`)
-	tk.MustQuery("select json_object('k', a) = json_object('k', b) from tx").Check(testkit.Rows("1")) // no error
-	tk.MustQuery("select json_object('k', a) = json_object('k', b) from tx").Check(testkit.Rows("1"))
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-}
-
-func TestNonPreparedPlanCacheBinding(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int, index(a))")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec("create binding for select * from t where a=1 using select /*+ use_index(t, a) */ * from t where a=1")
-	tk.MustExec("select * from t where a=1")
-	tk.MustExec("select * from t where a=1")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-	tk.MustExec("drop binding for select * from t where a=1")
-	tk.MustExec("select * from t where a=1")
-	tk.MustExec("select * from t where a=1")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
 func TestNonPreparedPlanCacheWithExplain(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -852,48 +147,6 @@ func TestNonPreparedPlanCacheWithExplain(t *testing.T) {
 	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
 }
 
-func TestNonPreparedPlanCacheFastPointGet(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table t (a int primary key, b int, unique key(b))`)
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-
-	// fast plans have a higher priority than non-prep cache plan
-	tk.MustQuery(`explain format='brief' select a from t where a in (1, 2)`).Check(testkit.Rows(
-		`Batch_Point_Get 2.00 root table:t handle:[1 2], keep order:false, desc:false`))
-	tk.MustQuery(`select a from t where a in (1, 2)`).Check(testkit.Rows())
-	tk.MustQuery(`select a from t where a in (1, 2)`).Check(testkit.Rows())
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-
-	tk.MustQuery(`explain format='brief' select b from t where b = 1`).Check(testkit.Rows(
-		`Point_Get 1.00 root table:t, index:b(b) `))
-	tk.MustQuery(`select b from t where b = 1`).Check(testkit.Rows())
-	tk.MustQuery(`select b from t where b = 1`).Check(testkit.Rows())
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-}
-
-func TestNonPreparedPlanCacheSetOperations(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table t (a int)`)
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-
-	// queries with set operations cannot hit the cache
-	for _, q := range []string{
-		`select * from t union select * from t`,
-		`select * from t union distinct select * from t`,
-		`select * from t union all select * from t`,
-		`select * from t except select * from t`,
-		`select * from t intersect select * from t`,
-	} {
-		tk.MustQuery(q).Check(testkit.Rows())
-		tk.MustQuery(q).Check(testkit.Rows())
-		tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	}
-}
-
 func TestNonPreparedPlanCacheInformationSchema(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -913,63 +166,6 @@ func TestNonPreparedPlanCacheInformationSchema(t *testing.T) {
 	require.True(t, tk.Session().GetSessionVars().FoundInPlanCache)
 }
 
-func TestNonPreparedPlanCacheSpecialTables(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table t (a int)`)
-	tk.MustExec(`create definer='root'@'localhost' view t_v as select * from t`)
-	tk.MustExec(`create table t_p (a int) partition by hash(a) partitions 4`)
-	tk.MustExec(`create temporary table t_t (a int)`)
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-
-	// queries that access partitioning tables, view, temporary tables or contain CTE cannot hit the cache.
-	for _, q := range []string{
-		`select * from t_v`,
-		`select * from t_p`,
-		`select * from t_t`,
-		`with t_cte as (select * from t) select * from t_cte`,
-	} {
-		tk.MustQuery(q).Check(testkit.Rows())
-		tk.MustQuery(q).Check(testkit.Rows())
-		tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	}
-}
-
-func TestNonPreparedPlanParameterType(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table t (a int, key(a))`)
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-
-	tk.MustQuery(`select * from t where a=1`).Check(testkit.Rows())
-	tk.MustQuery(`select * from t where a=1`).Check(testkit.Rows())
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-
-	tk.MustQuery(`select * from t where a=1.1`).Check(testkit.Rows())
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`explain format = 'plan_cache' select * from t where a=1.1`)
-	tk.MustQuery(`show warnings`).Check(testkit.Rows(`Warning 1105 skip non-prepared plan-cache: '1.1' may be converted to INT`))
-
-	tk.MustQuery(`select * from t where a='1'`).Check(testkit.Rows())
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`explain format = 'plan_cache' select * from t where a='1'`)
-	tk.MustQuery(`show warnings`).Check(testkit.Rows(`Warning 1105 skip non-prepared plan-cache: '1' may be converted to INT`))
-}
-
-func TestIssue43852(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table t6 (a date, b date, key(a))`)
-	tk.MustExec(`insert into t6 values ('2023-01-21', '2023-01-05')`)
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustQuery(`select * from t6 where a in (2015, '8')`).Check(testkit.Rows())
-	tk.MustQuery(`select * from t6 where a in (2009, '2023-01-21')`).Check(testkit.Rows(`2023-01-21 2023-01-05`))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-}
-
 func TestNonPreparedPlanTypeRandomly(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -1104,34 +300,6 @@ func TestNonPreparedPlanCacheInternalSQL(t *testing.T) {
 	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
 }
 
-func TestNonPreparedPlanCacheSelectLimit(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int, index(a))")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec("select * from t where a=1")
-	tk.MustExec("select * from t where a=1")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	tk.MustExec("set @@session.sql_select_limit=1")
-	tk.MustExec("select * from t where a=1")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-}
-
-func TestIssue41626(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec(`create table t (a year)`)
-	tk.MustExec(`insert into t values (2000)`)
-	tk.MustExec(`prepare st from 'select * from t where a<?'`)
-	tk.MustExec(`set @a=12`)
-	tk.MustQuery(`execute st using @a`).Check(testkit.Rows("2000"))
-	tk.MustQuery(`show warnings`).Check(testkit.Rows("Warning 1105 skip prepared plan-cache: '12' may be converted to INT"))
-}
-
 func TestIssue38269(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -1254,74 +422,6 @@ func TestIssue38205(t *testing.T) {
 	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
 }
 
-func TestInsertStmtHint(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec("create table t (a int)")
-
-	// without hint
-	tk.MustExec("prepare st from 'insert into t values (1)'")
-	tk.MustExec("execute st")
-	tk.MustExec("execute st")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	// ignore-hint in insert-stmt can work
-	tk.MustExec("prepare st from 'insert into t select * from t'")
-	tk.MustExec("execute st")
-	tk.MustExec("execute st")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-	tk.MustExec("prepare st from 'insert /*+ ignore_plan_cache() */ into t select * from t'")
-	tk.MustExec("execute st")
-	tk.MustExec("execute st")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-}
-
-func TestLongInsertStmt(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec("create table t (a int)")
-
-	tk.MustExec(`prepare inert200 from 'insert into t values (1)` + strings.Repeat(", (1)", 199) + "'")
-	tk.MustExec(`execute inert200`)
-	tk.MustExec(`execute inert200`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-
-	tk.MustExec(`prepare inert201 from 'insert into t values (1)` + strings.Repeat(", (1)", 200) + "'")
-	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 skip prepared plan-cache: too many values in the insert statement"))
-	tk.MustExec(`execute inert201`)
-	tk.MustExec(`execute inert201`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-}
-
-func TestIssue38710(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec("drop table if exists UK_NO_PRECISION_19392;")
-	tk.MustExec("CREATE TABLE `UK_NO_PRECISION_19392` (\n  `COL1` bit(1) DEFAULT NULL,\n  `COL2` varchar(20) COLLATE utf8mb4_bin DEFAULT NULL,\n  `COL4` datetime DEFAULT NULL,\n  `COL3` bigint DEFAULT NULL,\n  `COL5` float DEFAULT NULL,\n  UNIQUE KEY `UK_COL1` (`COL1`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;")
-	tk.MustExec("INSERT INTO `UK_NO_PRECISION_19392` VALUES (0x00,'缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈','9294-12-26 06:50:40',-3088380202191555887,-3.33294e38),(NULL,'仲膩蕦圓猴洠飌镂喵疎偌嫺荂踖Ƕ藨蜿諪軁笞','1746-08-30 18:04:04',-4016793239832666288,-2.52633e38),(0x01,'冑溜畁脊乤纊繳蟥哅稐奺躁悼貘飗昹槐速玃沮','1272-01-19 23:03:27',-8014797887128775012,1.48868e38);\n")
-	tk.MustExec(`prepare stmt from 'select * from UK_NO_PRECISION_19392 where col1 between ? and ? or col3 = ? or col2 in (?, ?, ?);';`)
-	tk.MustExec("set @a=0x01, @b=0x01, @c=-3088380202191555887, @d=\"缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈\", @e=\"缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈\", @f=\"缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈\";")
-	rows := tk.MustQuery(`execute stmt using @a,@b,@c,@d,@e,@f;`) // can not be cached because @a = @b
-	require.Equal(t, 2, len(rows.Rows()))
-
-	tk.MustExec(`set @a=NULL, @b=NULL, @c=-4016793239832666288, @d="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @e="仲膩蕦圓猴洠飌镂喵疎偌嫺荂踖Ƕ藨蜿諪軁笞", @f="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈";`)
-	rows = tk.MustQuery(`execute stmt using @a,@b,@c,@d,@e,@f;`)
-	require.Equal(t, 2, len(rows.Rows()))
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-
-	rows = tk.MustQuery(`execute stmt using @a,@b,@c,@d,@e,@f;`)
-	require.Equal(t, 2, len(rows.Rows()))
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	tk.MustExec(`set @a=0x01, @b=0x01, @c=-3088380202191555887, @d="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @e="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @f="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈";`)
-	rows = tk.MustQuery(`execute stmt using @a,@b,@c,@d,@e,@f;`)
-	require.Equal(t, 2, len(rows.Rows()))
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0")) // can not use the cache because the types for @a and @b are not equal to the cached plan
-}
-
 func TestPlanCacheExprBlacklistCompatibility(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -1341,29 +441,6 @@ func TestPlanCacheExprBlacklistCompatibility(t *testing.T) {
 	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
 }
 
-func TestPlanCacheDiagInfo(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec("create table t (a int, b int, key(a), key(b))")
-
-	tk.MustExec("prepare stmt from 'select /*+ ignore_plan_cache() */ * from t'")
-	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 skip prepared plan-cache: ignore plan cache by hint"))
-
-	tk.MustExec("prepare stmt from 'select * from t order by ?'")
-	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 skip prepared plan-cache: query has 'order by ?' is un-cacheable"))
-
-	tk.MustExec("prepare stmt from 'select * from t where a=?'")
-	tk.MustExec("set @a='123'")
-	tk.MustExec("execute stmt using @a") // '123' -> 123
-	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 skip prepared plan-cache: '123' may be converted to INT"))
-
-	tk.MustExec("prepare stmt from 'select * from t where a=? and a=?'")
-	tk.MustExec("set @a=1, @b=1")
-	tk.MustExec("execute stmt using @a, @b") // a=1 and a=1 -> a=1
-	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 skip prepared plan-cache: some parameters may be overwritten"))
-}
-
 func TestIssue40224(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -1388,38 +465,12 @@ func TestIssue40224(t *testing.T) {
 	tk.MustQuery("show warnings").Check(testkit.Rows()) // no warning for INT values
 	tk.MustExec("execute st using @a, @b")
 	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1")) // cacheable for INT
-	tk.MustExec("execute st using @a, @b")
-	tk.MustQuery(fmt.Sprintf("explain for connection %d", tkProcess.ID)).CheckAt([]int{0},
-		[][]interface{}{
-			{"IndexReader_6"},
-			{"└─IndexRangeScan_5"}, // range scan not full scan
-		})
-}
-
-func TestIssue40225(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec("create table t (a int, key(a))")
-	tk.MustExec("prepare st from 'select * from t where a<?'")
-	tk.MustExec("set @a='1'")
-	tk.MustExec("execute st using @a")
-	tk.MustQuery("show warnings").Sort().Check(testkit.Rows("Warning 1105 skip prepared plan-cache: '1' may be converted to INT")) // plan-cache limitation
-	tk.MustExec("create binding for select * from t where a<1 using select /*+ ignore_plan_cache() */ * from t where a<1")
-	tk.MustExec("execute st using @a")
-	tk.MustQuery("show warnings").Sort().Check(testkit.Rows("Warning 1105 skip prepared plan-cache: ignore plan cache by binding"))
-	// no warning about plan-cache limitations('1' -> INT) since plan-cache is totally disabled.
-
-	tk.MustExec("prepare st from 'select * from t where a>?'")
-	tk.MustExec("set @a=1")
-	tk.MustExec("execute st using @a")
-	tk.MustExec("execute st using @a")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-	tk.MustExec("create binding for select * from t where a>1 using select /*+ ignore_plan_cache() */ * from t where a>1")
-	tk.MustExec("execute st using @a")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-	tk.MustExec("execute st using @a")
-	tk.MustQuery("select @@last_plan_from_binding").Check(testkit.Rows("1"))
+	tk.MustExec("execute st using @a, @b")
+	tk.MustQuery(fmt.Sprintf("explain for connection %d", tkProcess.ID)).CheckAt([]int{0},
+		[][]interface{}{
+			{"IndexReader_6"},
+			{"└─IndexRangeScan_5"}, // range scan not full scan
+		})
 }
 
 func TestIssue40679(t *testing.T) {
@@ -1441,117 +492,6 @@ func TestIssue40679(t *testing.T) {
 	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 skip prepared plan-cache: '1.1' may be converted to INT"))
 }
 
-func TestIssue38335(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`CREATE TABLE PK_LP9463 (
-  COL1 mediumint NOT NULL DEFAULT '77' COMMENT 'NUMERIC PK',
-  COL2 varchar(20) COLLATE utf8mb4_bin DEFAULT NULL,
-  COL4 datetime DEFAULT NULL,
-  COL3 bigint DEFAULT NULL,
-  COL5 float DEFAULT NULL,
-  PRIMARY KEY (COL1))`)
-	tk.MustExec(`
-INSERT INTO PK_LP9463 VALUES (-7415279,'笚綷想摻癫梒偆荈湩窐曋繾鏫蘌憬稁渣½隨苆','1001-11-02 05:11:33',-3745331437675076296,-3.21618e38),
-(-7153863,'鯷氤衡椻闍饑堀鱟垩啵緬氂哨笂序鉲秼摀巽茊','6800-06-20 23:39:12',-7871155140266310321,-3.04829e38),
-(77,'娥藨潰眤徕菗柢礥蕶浠嶲憅榩椻鍙鑜堋ᛀ暵氎','4473-09-13 01:18:59',4076508026242316746,-1.9525e38),
-(16614,'阖旕雐盬皪豧篣哙舄糗悄蟊鯴瞶珧赺潴嶽簤彉','2745-12-29 00:29:06',-4242415439257105874,2.71063e37)`)
-	tk.MustExec(`prepare stmt from 'SELECT *, rank() OVER (PARTITION BY col2 ORDER BY COL1) FROM PK_LP9463 WHERE col1 != ? AND col1 < ?'`)
-	tk.MustExec(`set @a=-8414766051197, @b=-8388608`)
-	tk.MustExec(`execute stmt using @a,@b`)
-	tk.MustExec(`set @a=16614, @b=16614`)
-	rows := tk.MustQuery(`execute stmt using @a,@b`).Sort()
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustQuery(`SELECT *, rank() OVER (PARTITION BY col2 ORDER BY COL1) FROM PK_LP9463 WHERE col1 != 16614 and col1 < 16614`).Sort().Check(rows.Rows())
-}
-
-func TestIssue41032(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`CREATE TABLE PK_SIGNED_10087 (
-	 COL1 mediumint(8) unsigned NOT NULL,
-	 COL2 varchar(20) DEFAULT NULL,
-	 COL4 datetime DEFAULT NULL,
-	 COL3 bigint(20) DEFAULT NULL,
-	 COL5 float DEFAULT NULL,
-	 PRIMARY KEY (COL1) )`)
-	tk.MustExec(`insert into PK_SIGNED_10087 values(0, "痥腜蟿鮤枓欜喧檕澙姭袐裄钭僇剕焍哓閲疁櫘", "0017-11-14 05:40:55", -4504684261333179273, 7.97449e37)`)
-	tk.MustExec(`prepare stmt from 'SELECT/*+ HASH_JOIN(t1, t2) */ t2.* FROM PK_SIGNED_10087 t1 JOIN PK_SIGNED_10087 t2 ON t1.col1 = t2.col1 WHERE t2.col1 >= ? AND t1.col1 >= ?;'`)
-	tk.MustExec(`set @a=0, @b=0`)
-	tk.MustQuery(`execute stmt using @a,@b`).Check(testkit.Rows("0 痥腜蟿鮤枓欜喧檕澙姭袐裄钭僇剕焍哓閲疁櫘 0017-11-14 05:40:55 -4504684261333179273 79744900000000000000000000000000000000"))
-	tk.MustExec(`set @a=8950167, @b=16305982`)
-	tk.MustQuery(`execute stmt using @a,@b`).Check(testkit.Rows())
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-}
-
-func TestSetPlanCacheLimitSwitch(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-
-	tk.MustQuery("select @@session.tidb_enable_plan_cache_for_param_limit").Check(testkit.Rows("1"))
-	tk.MustQuery("select @@global.tidb_enable_plan_cache_for_param_limit").Check(testkit.Rows("1"))
-
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_param_limit = OFF;")
-	tk.MustQuery("select @@session.tidb_enable_plan_cache_for_param_limit").Check(testkit.Rows("0"))
-
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_param_limit = 1;")
-	tk.MustQuery("select @@session.tidb_enable_plan_cache_for_param_limit").Check(testkit.Rows("1"))
-
-	tk.MustExec("set @@global.tidb_enable_plan_cache_for_param_limit = off;")
-	tk.MustQuery("select @@global.tidb_enable_plan_cache_for_param_limit").Check(testkit.Rows("0"))
-
-	tk.MustExec("set @@global.tidb_enable_plan_cache_for_param_limit = ON;")
-	tk.MustQuery("select @@global.tidb_enable_plan_cache_for_param_limit").Check(testkit.Rows("1"))
-
-	tk.MustGetErrMsg("set @@global.tidb_enable_plan_cache_for_param_limit = '';", "[variable:1231]Variable 'tidb_enable_plan_cache_for_param_limit' can't be set to the value of ''")
-	tk.MustGetErrMsg("set @@global.tidb_enable_plan_cache_for_param_limit = 11;", "[variable:1231]Variable 'tidb_enable_plan_cache_for_param_limit' can't be set to the value of '11'")
-	tk.MustGetErrMsg("set @@global.tidb_enable_plan_cache_for_param_limit = enabled;", "[variable:1231]Variable 'tidb_enable_plan_cache_for_param_limit' can't be set to the value of 'enabled'")
-	tk.MustGetErrMsg("set @@global.tidb_enable_plan_cache_for_param_limit = disabled;", "[variable:1231]Variable 'tidb_enable_plan_cache_for_param_limit' can't be set to the value of 'disabled'")
-	tk.MustGetErrMsg("set @@global.tidb_enable_plan_cache_for_param_limit = open;", "[variable:1231]Variable 'tidb_enable_plan_cache_for_param_limit' can't be set to the value of 'open'")
-}
-
-func TestPlanCacheLimitSwitchEffective(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec("drop table if exists t")
-	tk.MustExec("create table t(a int, key(a))")
-
-	checkIfCached := func(res string) {
-		tk.MustExec("set @a = 1")
-		tk.MustExec("execute stmt using @a")
-		tk.MustExec("execute stmt using @a")
-		tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows(res))
-	}
-
-	// before prepare
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_param_limit = OFF")
-	tk.MustExec("prepare stmt from 'select * from t limit ?'")
-	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 skip prepared plan-cache: query has 'limit ?' is un-cacheable"))
-	checkIfCached("0")
-	tk.MustExec("deallocate prepare stmt")
-
-	// after prepare
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_param_limit = ON")
-	tk.MustExec("prepare stmt from 'select * from t limit ?'")
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_param_limit = OFF")
-	checkIfCached("0")
-	tk.MustExec("execute stmt using @a")
-	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 skip prepared plan-cache: the switch 'tidb_enable_plan_cache_for_param_limit' is off"))
-	tk.MustExec("deallocate prepare stmt")
-
-	// after execute
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_param_limit = ON")
-	tk.MustExec("prepare stmt from 'select * from t limit ?'")
-	checkIfCached("1")
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_param_limit = OFF")
-	checkIfCached("0")
-	tk.MustExec("deallocate prepare stmt")
-}
-
 func TestPlanCacheWithLimit(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -1600,87 +540,6 @@ func TestPlanCacheWithLimit(t *testing.T) {
 	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 skip prepared plan-cache: limit count is too large"))
 }
 
-func TestPlanCacheMemoryTable(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`create table t1 (a int)`)
-	tk.MustExec(`create table t2 (a int, b int)`)
-
-	tk.MustExec(`prepare st from 'select count(*) from information_schema.COLUMNS where table_name=?'`)
-	tk.MustExec(`set @a='t1'`)
-	tk.MustQuery(`execute st using @a`).Check(testkit.Rows("1")) // 1 column
-	tk.MustExec(`set @a='t2'`)
-	tk.MustQuery(`execute st using @a`).Check(testkit.Rows("2"))           // 2 columns
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0")) // plan accessing memory tables cannot hit the cache
-}
-
-func TestSetPlanCacheSubquerySwitch(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-
-	tk.MustQuery("select @@session.tidb_enable_plan_cache_for_subquery").Check(testkit.Rows("1"))
-	tk.MustQuery("select @@global.tidb_enable_plan_cache_for_subquery").Check(testkit.Rows("1"))
-
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_subquery = OFF;")
-	tk.MustQuery("select @@session.tidb_enable_plan_cache_for_subquery").Check(testkit.Rows("0"))
-
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_subquery = 1;")
-	tk.MustQuery("select @@session.tidb_enable_plan_cache_for_subquery").Check(testkit.Rows("1"))
-
-	tk.MustExec("set @@global.tidb_enable_plan_cache_for_subquery = off;")
-	tk.MustQuery("select @@global.tidb_enable_plan_cache_for_subquery").Check(testkit.Rows("0"))
-
-	tk.MustExec("set @@global.tidb_enable_plan_cache_for_subquery = ON;")
-	tk.MustQuery("select @@global.tidb_enable_plan_cache_for_subquery").Check(testkit.Rows("1"))
-
-	tk.MustGetErrMsg("set @@global.tidb_enable_plan_cache_for_subquery = '';", "[variable:1231]Variable 'tidb_enable_plan_cache_for_subquery' can't be set to the value of ''")
-	tk.MustGetErrMsg("set @@global.tidb_enable_plan_cache_for_subquery = 11;", "[variable:1231]Variable 'tidb_enable_plan_cache_for_subquery' can't be set to the value of '11'")
-	tk.MustGetErrMsg("set @@global.tidb_enable_plan_cache_for_subquery = enabled;", "[variable:1231]Variable 'tidb_enable_plan_cache_for_subquery' can't be set to the value of 'enabled'")
-	tk.MustGetErrMsg("set @@global.tidb_enable_plan_cache_for_subquery = disabled;", "[variable:1231]Variable 'tidb_enable_plan_cache_for_subquery' can't be set to the value of 'disabled'")
-	tk.MustGetErrMsg("set @@global.tidb_enable_plan_cache_for_subquery = open;", "[variable:1231]Variable 'tidb_enable_plan_cache_for_subquery' can't be set to the value of 'open'")
-}
-
-func TestPlanCacheSubQuerySwitchEffective(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec("drop table if exists t")
-	tk.MustExec("create table t(a int, key(a))")
-	tk.MustExec("create table s(a int, key(a))")
-
-	checkIfCached := func(res string) {
-		tk.MustExec("execute stmt")
-		tk.MustExec("execute stmt")
-		tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows(res))
-	}
-
-	// before prepare
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_subquery = OFF")
-	tk.MustExec("prepare stmt from 'select * from t where a in (select a from s)'")
-	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 skip prepared plan-cache: query has sub-queries is un-cacheable"))
-	checkIfCached("0")
-	tk.MustExec("deallocate prepare stmt")
-
-	// after prepare
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_subquery = ON")
-	tk.MustExec("prepare stmt from 'select * from t where a in (select a from s)'")
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_subquery = OFF")
-	checkIfCached("0")
-	tk.MustExec("execute stmt")
-	tk.MustQuery("show warnings").Check(testkit.Rows("Warning 1105 skip prepared plan-cache: the switch 'tidb_enable_plan_cache_for_subquery' is off"))
-	tk.MustExec("deallocate prepare stmt")
-
-	// after execute
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_subquery = ON")
-	tk.MustExec("prepare stmt from 'select * from t where a in (select a from s)'")
-	checkIfCached("1")
-	tk.MustExec("set @@session.tidb_enable_plan_cache_for_subquery = OFF")
-	checkIfCached("0")
-	tk.MustExec("deallocate prepare stmt")
-}
-
 func TestPlanCacheWithSubquery(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -1741,26 +600,6 @@ func TestPlanCacheWithSubquery(t *testing.T) {
 	}
 }
 
-func TestIssue41828(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`CREATE TABLE IDT_MULTI15840STROBJSTROBJ (
-  COL1 enum('aa', 'zzz') DEFAULT NULL,
-  COL2 smallint(6) DEFAULT NULL,
-  COL3 date DEFAULT NULL,
-  KEY U_M_COL4 (COL1,COL2),
-  KEY U_M_COL5 (COL3,COL2))`)
-
-	tk.MustExec(`INSERT INTO IDT_MULTI15840STROBJSTROBJ VALUES ('zzz',1047,'6115-06-05'),('zzz',-23221,'4250-09-03'),('zzz',27138,'1568-07-30'),('zzz',-30903,'6753-08-21'),('zzz',-26875,'6117-10-10')`)
-	tk.MustExec(`prepare stmt from 'select * from IDT_MULTI15840STROBJSTROBJ where col3 <=> ? or col1 in (?, ?, ?) and col2 not between ? and ?'`)
-	tk.MustExec(`set @a="0051-12-23", @b="none", @c="none", @d="none", @e=-32757, @f=-32757`)
-	tk.MustQuery(`execute stmt using @a,@b,@c,@d,@e,@f`).Check(testkit.Rows())
-	tk.MustQuery(`show warnings`).Check(testkit.Rows(`Warning 1105 skip prepared plan-cache: IndexMerge plan with full-scan is un-cacheable`))
-	tk.MustExec(`set @a="9795-01-10", @b="aa", @c="aa", @d="aa", @e=31928, @f=31928`)
-	tk.MustQuery(`execute stmt using @a,@b,@c,@d,@e,@f`).Check(testkit.Rows())
-}
-
 func convertQueryToPrepExecStmt(q string) (normalQuery, prepStmt string, parameters []string) {
 	// select ... from t where a = #?1# and b = #?2#
 	normalQuery = strings.ReplaceAll(q, "#", "")
@@ -2123,70 +962,6 @@ func TestPlanCacheSubquerySPMEffective(t *testing.T) {
 	}
 }
 
-func TestNonPreparedPlanCacheDMLSwitch(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t (a int)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache_for_dml=0")
-	tk.MustExec(`insert into t values (1)`)
-	tk.MustExec(`insert into t values (1)`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`select a from t where a < 2 for update`)
-	tk.MustExec(`select a from t where a < 2 for update`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`set @x:=1`)
-	tk.MustExec(`set @x:=1`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache_for_dml=1")
-	tk.MustExec(`insert into t values (1)`)
-	tk.MustExec(`insert into t values (1)`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustExec(`select a from t where a < 2 for update`)
-	tk.MustExec(`select a from t where a < 2 for update`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheUnderscoreCharset(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t (a varchar(10), b int)")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`select * from t where a = _utf8'a'`)
-	tk.MustExec(`select * from t where a = _utf8'a'`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`select * from t where a = _latin1'a'`)
-	tk.MustExec(`select * from t where a = _latin1'a'`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`select * from t where a = N'a'`) // equals to _utf8'a'
-	tk.MustExec(`select * from t where a = N'a'`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`select * from t where a = 'a'`)
-	tk.MustExec(`select * from t where a = 'a'`) // can hit if no underscore charset
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheGroupBy(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int, b int, index(a))")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	tk.MustExec(`select sum(b) from t group by a+1`)
-	tk.MustExec(`select sum(b) from t group by a+1`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`select sum(b) from t group by a+2`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-	tk.MustExec(`select sum(b) from t group by a+2`)
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("0"))
-}
-
 func TestNonPreparedPlanCacheFieldNames(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -2222,33 +997,6 @@ func TestNonPreparedPlanCacheFieldNames(t *testing.T) {
 	checkFieldName(`select 1,2 from t where a<20`, `1`, `1`, `2`)
 }
 
-func TestNonPreparedPlanCacheExplain(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("create table t(a int, index(a))")
-	tk.MustExec("set tidb_enable_non_prepared_plan_cache=1")
-
-	formats := []string{
-		"row",
-		"brief",
-		"dot",
-		"tidb_json",
-		"verbose",
-		"cost_trace",
-	}
-
-	for _, format := range formats {
-		tk.MustExec(fmt.Sprintf("explain format = '%v' select * from t", format))
-		tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-	}
-
-	for _, format := range formats {
-		tk.MustExec(fmt.Sprintf("explain format = '%v' select * from t limit 1", format))
-		tk.MustQuery("show warnings").Check(testkit.Rows())
-	}
-}
-
 func TestIssue42125(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -2413,61 +1161,6 @@ func TestNonPreparedPlanExplainWarning(t *testing.T) {
 	}
 }
 
-func TestIssue42150(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`use test`)
-	tk.MustExec("drop table if exists t1, t2")
-	tk.MustExec("CREATE TABLE `t1` (`c_int` int(11) NOT NULL,  `c_str` varchar(40) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,  `c_datetime` datetime DEFAULT NULL,  `c_timestamp` timestamp NULL DEFAULT NULL,  `c_double` double DEFAULT NULL,  `c_decimal` decimal(12,6) DEFAULT NULL,  `c_enum` enum('blue','green','red','yellow','white','orange','purple') NOT NULL,  PRIMARY KEY (`c_int`,`c_enum`) /*T![clustered_index] CLUSTERED */,  KEY `c_decimal` (`c_decimal`),  UNIQUE KEY `c_datetime` (`c_datetime`),  UNIQUE KEY `c_timestamp` (`c_timestamp`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;")
-	tk.MustExec("CREATE TABLE `t2` (`c_int` int(11) NOT NULL,  `c_str` varchar(40) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,  `c_datetime` datetime DEFAULT NULL,  `c_timestamp` timestamp NULL DEFAULT NULL,  `c_double` double DEFAULT NULL,  `c_decimal` decimal(12,6) DEFAULT NULL,  `c_enum` enum('blue','green','red','yellow','white','orange','purple') NOT NULL,  PRIMARY KEY (`c_int`,`c_enum`) /*T![clustered_index] CLUSTERED */,  KEY `c_decimal` (`c_decimal`),  UNIQUE KEY `c_datetime` (`c_datetime`),  UNIQUE KEY `c_timestamp` (`c_timestamp`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;")
-	tk.MustExec("create table t (a int, b int, primary key(a), key(b))")
-	tk.MustExec("set @v0 = 'nice hellman', @v1 = 'flamboyant booth', @v2 = 'quirky brahmagupta'")
-	tk.MustExec("prepare stmt16 from 'select * from t1 where c_enum in (select c_enum from t2 where t1.c_str in (?, ?, ?))'")
-	tk.MustExec("execute stmt16 using @v0, @v1, @v2;")
-	tk.MustExec("execute stmt16 using @v0, @v1, @v2;")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	tk.MustExec("prepare stmt from 'select c_enum from t1'")
-	tk.MustExec("execute stmt;")
-	tk.MustExec("execute stmt;")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	tk.MustExec("prepare st from 'select a from t use index(b)'")
-	tk.MustExec("execute st")
-	tk.MustExec("execute st")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheDML(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache_for_dml=1`)
-	tk.MustExec("create table t (a int default 0, b int default 0)")
-
-	for _, sql := range []string{
-		`select a from t for update`,
-		`select a from t where a<10 for update`,
-		`insert into t values (1, 1)`,
-		`insert into t (a, b) values (1, 1)`,
-		`insert into t (a) values (1)`,
-		`insert into t (b) values (1)`,
-		`insert into t select * from t`,
-		`insert into t select * from t where a>10`,
-		`update t set a=1`,
-		`update t set a=1 where a>10`,
-		`update t set a=1, b=1`,
-		`update t set a=a+1 where a>10`,
-		`delete from t`,
-		`delete from t where a>10`,
-	} {
-		tk.MustExec(sql)
-		tk.MustExec(sql)
-		tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-	}
-}
-
 func TestNonPreparedPlanCachePanic(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 	tk := testkit.NewTestKit(t, store)
@@ -2494,151 +1187,6 @@ func TestNonPreparedPlanCachePanic(t *testing.T) {
 	}
 }
 
-func TestNonPreparedPlanCacheMultiStmt(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache_for_dml=1`)
-	tk.MustExec("create table t (a int)")
-
-	tk.MustExec("update t set a=1 where a<10")
-	tk.MustExec("update t set a=2 where a<12")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	// multi-stmt SQL cannot hit the cache
-	tk.MustExec("update t set a=1 where a<10; update t set a=2 where a<12")
-	tk.MustExec("update t set a=1 where a<10; update t set a=2 where a<12")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-
-	tk.MustExec("update t set a=2 where a<12")
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-}
-
-func TestNonPreparedPlanCacheJoin(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustExec("create table t1 (a int, b int, c int)")
-	tk.MustExec("create table t2 (a int, b int, c int)")
-	tk.MustExec("create table t3 (a int, b int, c int)")
-	tk.MustExec("create table t4 (a int, x int)")
-
-	supported := []string{
-		"select * from t1, t2 where t1.a=t2.a and t1.b<10",
-		"select * from t1, t2",
-		"select * from t1, t2 where t1.a<t2.a and t2.c=10",
-		"select * from t1 tx, t1 ty",
-		"select * from t1 tx, t1 ty where tx.a=ty.a",
-		"select * from t1 inner join t2",
-		"select * from t1 inner join t2 on t1.a=t2.a",
-		"select * from t1 inner join t2 on t1.a=t2.a and t2.c<10",
-		"select * from t1 left join t2 on t1.a=t2.a",
-		"select * from t1 left join t2 on t1.a=t2.a and t2.c<10",
-		"select * from t1, t4 where t1.a=t4.a and t4.x=10",
-		"select * from t1 inner join t4 on t1.a=t4.a and t4.x=10",
-	}
-	unsupported := []string{
-		"select * from t1, t2, t3",                // 3-way join
-		"select * from t1, t2, t1 tx",             // 3-way join
-		"select * from t1, (select * from t2) t2", // subquery
-	}
-
-	for _, sql := range supported {
-		tk.MustExec(sql)
-		tk.MustExec(sql)
-		tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-	}
-	for _, sql := range unsupported {
-		tk.MustExec(sql)
-		tk.MustExec(sql)
-		tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-	}
-}
-
-func TestNonPreparedPlanCacheAggSort(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustExec(`set sql_mode=''`)
-	tk.MustExec("create table t (a int, b int)")
-
-	supported := []string{
-		"select count(*) from t",
-		"select max(b) from t group by a",
-		"select count(*), a from t group by a, b",
-		"select a from t order by a",
-		"select a, b, a+b from t order by a, b",
-	}
-	unsupported := []string{
-		"select sum(b) from t group by a+1",
-		"select count(*) from t group by a+b",
-		"select a, b, count(*) from t group by 1",              // group by position
-		"select a, b, count(*) from t group by 1, a",           // group by position
-		"select a, b, count(*) from t group by a having b < 1", // not support having-clause
-		"select a from t order by a+1",
-		"select a, b, a+b from t order by a + b",
-	}
-
-	for _, sql := range supported {
-		tk.MustExec(sql)
-		tk.MustExec(sql)
-		tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-	}
-	for _, sql := range unsupported {
-		tk.MustExec(sql)
-		tk.MustExec(sql)
-		tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-	}
-}
-
-func TestNonPreparedPlanCacheOrder(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustExec("create table t (a int, b int)")
-
-	supported := []string{
-		"select a from t order by a",
-		"select a from t order by a asc",
-		"select a from t order by a desc",
-		"select a from t order by a,b desc",
-	}
-	unsupported := []string{
-		"select a from t order by 1", // order by position
-		"select a from t order by a, 1",
-		"select a from t order by a+1,b-2",
-		"select a from t order by a desc, b+2",
-	}
-
-	for _, sql := range supported {
-		tk.MustExec(sql)
-		tk.MustExec(sql)
-		tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))
-	}
-	for _, sql := range unsupported {
-		tk.MustExec(sql)
-		tk.MustExec(sql)
-		tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-	}
-}
-
-func TestNonPreparedPlanCacheUnicode(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-
-	tk.MustExec("use test")
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustExec(`create table t1 (a varchar(10) character set latin1, b int)`)
-	tk.MustExec(`insert into t1 values ('a',1)`)
-	tk.MustQuery(`select concat(a, if(b>10, N'x', N'y')) from t1`).Check(testkit.Rows("ay")) // no error
-	tk.MustQuery(`select concat(a, if(b>10, N'x', N'y')) from t1`).Check(testkit.Rows("ay"))
-	tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
-}
-
 func TestNonPreparedPlanCacheAutoStmtRetry(t *testing.T) {
 	store := testkit.CreateMockStore(t)
 
@@ -2739,59 +1287,6 @@ func TestIssue47133(t *testing.T) {
 	require.Equal(t, cnt, 2)
 }
 
-func TestIssue45253(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustExec(`CREATE TABLE t1 (c1 INT)`)
-	tk.MustExec(`INSERT INTO t1 VALUES (1)`)
-
-	tk.MustQuery(`SELECT c1 FROM t1 WHERE TO_BASE64('牵')`).Check(testkit.Rows("1"))
-	tk.MustQuery(`SELECT c1 FROM t1 WHERE TO_BASE64('牵')`).Check(testkit.Rows("1"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustQuery(`SELECT c1 FROM t1 WHERE TO_BASE64('哈')`).Check(testkit.Rows("1"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-	tk.MustQuery(`SELECT c1 FROM t1 WHERE TO_BASE64('')`).Check(testkit.Rows())
-}
-
-func TestIssue45378(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`set tidb_enable_non_prepared_plan_cache=1`)
-	tk.MustExec(`CREATE TABLE t1(c1 INT)`)
-	tk.MustExec(`INSERT INTO t1 VALUES (1)`)
-
-	tk.MustQuery(`SELECT c1 FROM t1 WHERE UNHEX(2038330881)`).Check(testkit.Rows("1"))
-	tk.MustQuery(`SELECT c1 FROM t1 WHERE UNHEX(2038330881)`).Check(testkit.Rows("1"))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows("1"))
-}
-
-func TestIssue46159(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec("use test")
-	tk.MustExec(`create table t (a varchar(10), key(a(5)))`)
-	tk.MustExec(`prepare st from 'select a from t use index(a) where a=?'`)
-	tk.MustExec(`set @a='a'`)
-	tk.MustQuery(`execute st using @a`).Check(testkit.Rows())
-	tk.MustQuery(`execute st using @a`).Check(testkit.Rows())
-	tk.MustQuery(`show warnings`).Check(testkit.Rows("Warning 1105 skip plan-cache: plan rebuild failed, rebuild to get an unsafe range"))
-}
-
-func TestIssue47008(t *testing.T) {
-	store := testkit.CreateMockStore(t)
-	tk := testkit.NewTestKit(t, store)
-	tk.MustExec(`set @@time_zone='UTC';`)
-	tk.MustExec(`set @@collation_connection='utf8_general_ci';`)
-	tk.MustExec(`prepare s from 'select DATE_FORMAT("2020-01-01","%W") = "wednesday"';`)
-	tk.MustQuery(`execute s;`).Check(testkit.Rows(`1`))
-	tk.MustExec(`set @@collation_connection='utf8_bin';`)
-	tk.MustQuery(`execute s;`).Check(testkit.Rows(`0`))
-	tk.MustQuery(`select @@last_plan_from_cache`).Check(testkit.Rows(`0`))
-}
-
 func TestBuiltinFuncFlen(t *testing.T) {
 	// same as TestIssue45378 and TestIssue45253
 	store := testkit.CreateMockStore(t)
diff --git a/tests/integrationtest/r/planner/core/integration_partition.result b/tests/integrationtest/r/planner/core/integration_partition.result
index e7cd7cfa89b52..53918f543509c 100644
--- a/tests/integrationtest/r/planner/core/integration_partition.result
+++ b/tests/integrationtest/r/planner/core/integration_partition.result
@@ -514,9 +514,9 @@ PARTITION P8 VALUES IN (126,30,48,68)
 insert into PK_LP9326 values(30),(48),(56);
 SELECT COL1 FROM PK_LP9326 WHERE COL1 NOT IN (621579514938,-17333745845828,2777039147338);
 COL1
-56
 30
 48
+56
 create database issue_27017;
 use issue_27017;
 set tidb_enable_list_partition = 1;
diff --git a/tests/integrationtest/r/planner/core/plan_cache.result b/tests/integrationtest/r/planner/core/plan_cache.result
new file mode 100644
index 0000000000000..a392e65f91515
--- /dev/null
+++ b/tests/integrationtest/r/planner/core/plan_cache.result
@@ -0,0 +1,2282 @@
+drop table if exists t;
+create table t (id int, value decimal(7,4), c1 int, c2 int);
+insert into t values (1,1.9285,54,28), (1,1.9286,54,28);
+set session tidb_enable_non_prepared_plan_cache=0;
+select * from t where value = 54 / 28;
+id	value	c1	c2
+set session tidb_enable_non_prepared_plan_cache=1;
+select * from t where value = 54 / 28;
+id	value	c1	c2
+select * from t where value = 54 / 28;
+id	value	c1	c2
+prepare st from 'select * from t where value = ? / ?';
+set @a=54, @b=28;
+execute st using @a, @b;
+id	value	c1	c2
+execute st using @a, @b;
+id	value	c1	c2
+set session tidb_enable_non_prepared_plan_cache=DEFAULT;
+set @@tidb_opt_fix_control = "44830:ON";
+drop table if exists t, t1;
+create table t (a int, primary key(a));
+create table t1 (a int, b int, primary key(a, b));
+insert into t values (1), (2), (3);
+insert into t1 values (1, 1), (2, 2), (3, 3);
+set @a=1, @b=2, @c=3;
+prepare st from 'select * from t where 1=1 and a in (?, ?, ?)';
+execute st using @a, @b, @c;
+a
+1
+2
+3
+execute st using @a, @b, @c;
+a
+1
+2
+3
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+execute st using @a, @b, @b;
+a
+1
+2
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+execute st using @b, @b, @b;
+a
+2
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+execute st using @a, @b, @c;
+a
+1
+2
+3
+execute st using @a, @b, @b;
+a
+1
+2
+execute st using @a, @b, @b;
+a
+1
+2
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+prepare st from 'select * from t1 where 1=1 and (a, b) in ((?, ?), (?, ?), (?, ?))';
+execute st using @a, @a, @b, @b, @c, @c;
+a	b
+1	1
+2	2
+3	3
+execute st using @a, @a, @b, @b, @c, @c;
+a	b
+1	1
+2	2
+3	3
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+execute st using @a, @a, @b, @b, @b, @b;
+a	b
+1	1
+2	2
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+execute st using @b, @b, @b, @b, @b, @b;
+a	b
+2	2
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+execute st using @b, @b, @b, @b, @c, @c;
+a	b
+2	2
+3	3
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+execute st using @a, @a, @a, @a, @a, @a;
+a	b
+1	1
+execute st using @a, @a, @a, @a, @a, @a;
+a	b
+1	1
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+execute st using @a, @a, @b, @b, @b, @b;
+a	b
+1	1
+2	2
+execute st using @a, @a, @b, @b, @b, @b;
+a	b
+1	1
+2	2
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set @@tidb_opt_fix_control = DEFAULT;
+set @@tidb_enable_non_prepared_plan_cache=1;
+set @@tidb_opt_fix_control = "44830:ON";
+drop table if exists t1;
+create table t1 (a int, b int, primary key(a, b));
+insert into t1 values (1, 1), (2, 2), (3, 3);
+set @a=1, @b=2, @c=3;
+select * from t1 where 1=1 and (a, b) in ((1, 1), (2, 2), (3, 3));
+a	b
+1	1
+2	2
+3	3
+select * from t1 where 1=1 and (a, b) in ((1, 1), (2, 2), (3, 3));
+a	b
+1	1
+2	2
+3	3
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1 where 1=1 and (a, b) in ((1, 1), (2, 2), (2, 2));
+a	b
+1	1
+2	2
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t1 where 1=1 and (a, b) in ((2, 2), (2, 2), (2, 2));
+a	b
+2	2
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t1 where 1=1 and (a, b) in ((1, 1), (1, 1), (1, 1));
+a	b
+1	1
+select * from t1 where 1=1 and (a, b) in ((1, 1), (1, 1), (1, 1));
+a	b
+1	1
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set @@tidb_enable_non_prepared_plan_cache=DEFAULT;
+set @@tidb_opt_fix_control = DEFAULT;
+drop table if exists t, t1;
+create table t (a int unsigned, key(a));
+prepare st from 'select a from t use index(a) where a<?';
+set @a=10;
+execute st using @a;
+a
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set @a=-10;
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set @a=10;
+execute st using @a;
+a
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+create table t1 (a enum('1', '2'), key(a));
+prepare st from 'select a from t1 use index(a) where a=?';
+set @a='1';
+execute st using @a;
+a
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set @a='x';
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set @a='1';
+execute st using @a;
+a
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+drop table if exists t;
+create table t (a int);
+insert into t values (1), (2), (3), (4);
+prepare st from 'select * from t where a!=? and a in (?, ?, ?)';
+set @a=1, @b=2, @c=3, @d=4;
+execute st using @a, @a, @a, @a;
+a
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: NE/INList simplification is triggered
+execute st using @a, @a, @b, @c;
+a
+2
+3
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: NE/INList simplification is triggered
+execute st using @a, @b, @c, @d;
+a
+2
+3
+4
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: NE/INList simplification is triggered
+CREATE TABLE UK_SIGNED_19384 (
+COL1 decimal(37,4) unsigned DEFAULT NULL COMMENT 'WITH DEFAULT',
+COL2 varchar(20) COLLATE utf8mb4_bin DEFAULT NULL,
+COL4 datetime DEFAULT NULL,
+COL3 bigint DEFAULT NULL,
+COL5 float DEFAULT NULL,
+UNIQUE KEY UK_COL1 (COL1)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+INSERT INTO UK_SIGNED_19384 VALUES
+(729024465529090.5423,'劗驻胭毤橰亀讁陶ĉ突錌ͳ河碡祁聓兕锻觰俆','4075-07-11 12:02:57',6021562653572886552,1.93349e38),
+(492790234219503.0846,'硴皡箒嫹璞玚囑蚂身囈軔獰髴囥慍廂頚禌浖蕐','1193-09-27 12:13:40',1836453747944153034,-2.67982e38),
+(471841432147994.4981,'豻貐裝濂婝蒙蘦镢県蟎髓蓼窘搴熾臐哥递泒執','1618-01-24 05:06:44',6669616052974883820,9.38232e37);
+prepare stmt from 'select/*+ tidb_inlj(t1) */ t1.col1 from UK_SIGNED_19384 t1 join UK_SIGNED_19384 t2 on t1.col1 = t2.col1 where t1. col1 != ? and t2. col1 in (?, ?, ?)';
+set @a=999999999999999999999999999999999.9999, @b=999999999999999999999999999999999.9999, @c=999999999999999999999999999999999.9999, @d=999999999999999999999999999999999.9999;
+execute stmt using @a,@b,@c,@d;
+col1
+set @a=895769331208356.9029, @b=471841432147994.4981, @c=729024465529090.5423, @d=492790234219503.0846;
+execute stmt using @a,@b,@c,@d;
+col1
+471841432147994.4981
+492790234219503.0846
+729024465529090.5423
+create database test_40296;
+use test_40296;
+CREATE TABLE IDT_MULTI15880STROBJSTROBJ (
+COL1 enum('aa','bb','cc','dd','ff','gg','kk','ll','mm','ee') DEFAULT NULL,
+COL2 decimal(20,0) DEFAULT NULL,
+COL3 date DEFAULT NULL,
+KEY U_M_COL4 (COL1,COL2),
+KEY U_M_COL5 (COL3,COL2));
+insert into IDT_MULTI15880STROBJSTROBJ values("ee", -9605492323393070105, "0850-03-15");
+set session tidb_enable_non_prepared_plan_cache=on;
+select * from IDT_MULTI15880STROBJSTROBJ where col1 in ("dd", "dd") or col2 = 9923875910817805958 or col3 = "9994-11-11";
+COL1	COL2	COL3
+select * from IDT_MULTI15880STROBJSTROBJ where col1 in ("aa", "aa") or col2 = -9605492323393070105 or col3 = "0005-06-22";
+COL1	COL2	COL3
+ee	-9605492323393070105	0850-03-15
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+use planner__core__plan_cache
+CREATE TABLE UK_SIGNED_19385 (
+COL1 decimal(37,4) unsigned DEFAULT '101.0000' COMMENT 'WITH DEFAULT',
+COL2 varchar(20) DEFAULT NULL,
+COL4 datetime DEFAULT NULL,
+COL3 bigint(20) DEFAULT NULL,
+COL5 float DEFAULT NULL,
+UNIQUE KEY UK_COL1 (COL1) /*!80000 INVISIBLE */);
+INSERT INTO UK_SIGNED_19385 VALUES (999999999999999999999999999999999.9999,'苊檷鞤寰抿逿詸叟艟俆錟什姂庋鴪鎅枀礰扚匝','8618-02-11 03:30:03',7016504421081900731,2.77465e38);
+select * from UK_SIGNED_19385 where col1 = 999999999999999999999999999999999.9999 and
+col1 * 999999999999999999999999999999999.9999 between 999999999999999999999999999999999.9999 and
+999999999999999999999999999999999.9999;
+COL1	COL2	COL4	COL3	COL5
+CREATE TABLE IDT_20290 (
+COL1 mediumtext DEFAULT NULL,
+COL2 decimal(52,7) DEFAULT NULL,
+COL3 datetime DEFAULT NULL,
+KEY U_M_COL (COL1(10),COL2,COL3) /*!80000 INVISIBLE */);
+INSERT INTO IDT_20290 VALUES
+('',210255309400.4264137,'4273-04-17 17:26:51'),
+(NULL,952470120213.2538798,'7087-08-19 21:38:49'),
+('俦',486763966102.1656494,'8846-06-12 12:02:13'),
+('憁',610644171405.5953911,'2529-07-19 17:24:49'),
+('顜',-359717183823.5275069,'2599-04-01 00:12:08'),
+('塼',466512908211.1135111,'1477-10-20 07:14:51'),
+('宻',-564216096745.0427987,'7071-11-20 13:38:24'),
+('網',-483373421083.4724254,'2910-02-19 18:29:17'),
+('顥',164020607693.9988781,'2820-10-12 17:38:44'),
+('谪',25949740494.3937876,'6527-05-30 22:58:37');
+select * from IDT_20290 where col2 * 049015787697063065230692384394107598316198958.1850509 >= 659971401668884663953087553591534913868320924.5040396 and col2 = 869042976700631943559871054704914143535627349.9659934;
+Error 1690 (22003): DECIMAL value is out of range in '(869042976700631943559871054704914143535627349.9659934 * 49015787697063065230692384394107598316198958.1850509)'
+drop table if exists t;
+create table t(a varchar(8) not null, b varchar(8) not null);
+insert into t values('1','1');
+prepare stmt from "select count(1) from t t1, t t2 where t1.a = t2.a and t2.b = '1' and t2.b = ?";
+set @a = '1';
+execute stmt using @a;
+count(1)
+1
+set @a = '2';
+execute stmt using @a;
+count(1)
+0
+prepare stmt from "select count(1) from t t1, t t2 where t1.a = t2.a and t1.a > ?";
+set @a = '1';
+execute stmt using @a;
+count(1)
+0
+set @a = '0';
+execute stmt using @a;
+count(1)
+1
+drop table if exists t;
+create table t(a varchar(8), b varchar(8));
+insert into t values('1','1');
+prepare stmt from "select count(1) from t t1 left join t t2 on t1.a = t2.a where t2.b = ? and t2.b = ?";
+set @p0 = '1', @p1 = '2';
+execute stmt using @p0, @p1;
+count(1)
+0
+set @p0 = '1', @p1 = '1';
+execute stmt using @p0, @p1;
+count(1)
+1
+drop table if exists t;
+create table t (a int);
+set @@tidb_enable_non_prepared_plan_cache=1;
+set @@tidb_enable_non_prepared_plan_cache_for_dml=1;
+insert into t values (1);
+insert into t values (1);
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+update t set a=1;
+update t set a=1;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+delete from t where a=1;
+delete from t where a=1;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+insert /*+ ignore_plan_cache() */ into t values (1);
+insert /*+ ignore_plan_cache() */ into t values (1);
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+update /*+ ignore_plan_cache() */ t set a=1;
+update /*+ ignore_plan_cache() */ t set a=1;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+delete /*+ ignore_plan_cache() */ from t where a=1;
+delete /*+ ignore_plan_cache() */ from t where a=1;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+insert into t values (1);
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+update t set a=1;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+delete from t where a=1;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set @@tidb_enable_non_prepared_plan_cache=DEFAULT;
+set @@tidb_enable_non_prepared_plan_cache_for_dml=DEFAULT;
+drop table if exists t;
+create table t(a int, b json);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a<1;
+a	b
+select * from t where a<2;
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where b<1;
+a	b
+select * from t where b<2;
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select b from t where a<1;
+b
+select b from t where a<2;
+b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int, b enum('1', '2', '3'));
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a<1;
+a	b
+select * from t where a<2;
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where b='1';
+a	b
+select * from t where b='2';
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select b from t where a<1;
+b
+select b from t where a<2;
+b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t1;
+set tidb_enable_non_prepared_plan_cache=1;
+create table t1 (s1 char(20) character set latin1);
+insert into t1 values (date_format('2004-02-02','%M'));
+select * from t1;
+s1
+February
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+a
+select * from t where a=2;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where a=null;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t where a=2;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a in (1, 2, 3);
+a
+select * from t where a in (2, 3, 4);
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where a in (2, 3, 4, 5);
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t where a in (1, 2, 3, 4);
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=1;
+select data_type from INFORMATION_SCHEMA.columns where table_name = 'v';
+data_type
+select data_type from INFORMATION_SCHEMA.columns where table_name = 'v';
+data_type
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198);
+a
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198);
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199);
+a
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199);
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200);
+a
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200);
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+a
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+alter table t add index idx_a(a);
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+prepare st from 'select * from t where a=1';
+execute st;
+a
+execute st;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+a
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=0;
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=0;
+set tidb_enable_prepared_plan_cache=0;
+select * from t where a<1;
+a
+select * from t where a<2;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+prepare st from 'select * from t where a<?';
+set @a=1;
+execute st using @a;
+a
+set @a=2;
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+drop table t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=0;
+set tidb_enable_prepared_plan_cache=1;
+select * from t where a<1;
+a
+select * from t where a<2;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+prepare st from 'select * from t where a<?';
+set @a=1;
+execute st using @a;
+a
+set @a=2;
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+drop table t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+set tidb_enable_prepared_plan_cache=0;
+select * from t where a<1;
+a
+select * from t where a<2;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+prepare st from 'select * from t where a<?';
+set @a=1;
+execute st using @a;
+a
+set @a=2;
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+drop table t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+set tidb_enable_prepared_plan_cache=1;
+select * from t where a<1;
+a
+select * from t where a<2;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+prepare st from 'select * from t where a<?';
+set @a=1;
+execute st using @a;
+a
+set @a=2;
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+drop table t;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_prepared_plan_cache=DEFAULT;
+drop table if exists tt;
+create table tt(a char(2) primary key, b char(2));
+set tidb_enable_non_prepared_plan_cache=1;
+select tt.* from tt tmp where a='aa';
+Error 1051 (42S02): Unknown table 'tt'
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+explain format = 'plan_cache' select * from t where a=1;
+id	estRows	task	access object	operator info
+TableReader_7	10.00	root		data:Selection_6
+└─Selection_6	10.00	cop[tikv]		eq(planner__core__plan_cache.t.a, 1)
+  └─TableFullScan_5	10000.00	cop[tikv]	table:t	keep order:false, stats:pseudo
+explain format = 'plan_cache' select * from t where a=1;
+id	estRows	task	access object	operator info
+TableReader_7	10.00	root		data:Selection_6
+└─Selection_6	10.00	cop[tikv]		eq(planner__core__plan_cache.t.a, 1)
+  └─TableFullScan_5	10000.00	cop[tikv]	table:t	keep order:false, stats:pseudo
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+explain format = 'plan_cache' select * from (select * from t) tx;
+id	estRows	task	access object	operator info
+TableReader_6	10000.00	root		data:TableFullScan_5
+└─TableFullScan_5	10000.00	cop[tikv]	table:t	keep order:false, stats:pseudo
+Level	Code	Message
+Warning	1105	skip non-prepared plan-cache: queries that have sub-queries are not supported
+set tidb_enable_non_prepared_plan_cache=0;
+explain format = 'plan_cache' select * from t where a+1=1;
+id	estRows	task	access object	operator info
+TableReader_7	8000.00	root		data:Selection_6
+└─Selection_6	8000.00	cop[tikv]		eq(plus(planner__core__plan_cache.t.a, 1), 1)
+  └─TableFullScan_5	10000.00	cop[tikv]	table:t	keep order:false, stats:pseudo
+explain format = 'plan_cache' select * from t t1, t t2;
+id	estRows	task	access object	operator info
+HashJoin_7	100000000.00	root		CARTESIAN inner join
+├─TableReader_12(Build)	10000.00	root		data:TableFullScan_11
+│ └─TableFullScan_11	10000.00	cop[tikv]	table:t2	keep order:false, stats:pseudo
+└─TableReader_10(Probe)	10000.00	root		data:TableFullScan_9
+  └─TableFullScan_9	10000.00	cop[tikv]	table:t1	keep order:false, stats:pseudo
+explain format = 'plan_cache' select * from t where a in (select a from t);
+id	estRows	task	access object	operator info
+HashJoin_10	9990.00	root		inner join, equal:[eq(planner__core__plan_cache.t.a, planner__core__plan_cache.t.a)]
+├─HashAgg_20(Build)	7992.00	root		group by:planner__core__plan_cache.t.a, funcs:firstrow(planner__core__plan_cache.t.a)->planner__core__plan_cache.t.a
+│ └─TableReader_21	7992.00	root		data:HashAgg_15
+│   └─HashAgg_15	7992.00	cop[tikv]		group by:planner__core__plan_cache.t.a, 
+│     └─Selection_19	9990.00	cop[tikv]		not(isnull(planner__core__plan_cache.t.a))
+│       └─TableFullScan_18	10000.00	cop[tikv]	table:t	keep order:false, stats:pseudo
+└─TableReader_14(Probe)	9990.00	root		data:Selection_13
+  └─Selection_13	9990.00	cop[tikv]		not(isnull(planner__core__plan_cache.t.a))
+    └─TableFullScan_12	10000.00	cop[tikv]	table:t	keep order:false, stats:pseudo
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=1;
+explain format='plan_cache' select address from PERFORMANCE_SCHEMA.tikv_profile_cpu;
+id	estRows	task	access object	operator info
+Projection_3	10000.00	root		Column#1
+└─MemTableScan_4	10000.00	root	table:tikv_profile_cpu	
+Level	Code	Message
+Warning	1105	skip non-prepared plan-cache: access tables in system schema
+use PERFORMANCE_SCHEMA;
+explain format='plan_cache' select address from tikv_profile_cpu;
+id	estRows	task	access object	operator info
+Projection_3	10000.00	root		Column#1
+└─MemTableScan_4	10000.00	root	table:tikv_profile_cpu	
+Level	Code	Message
+Warning	1105	skip non-prepared plan-cache: access tables in system schema
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+use planner__core__plan_cache;
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+a
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set @@sql_mode='';
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set @@sql_mode=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int, b int, c varchar(2048));
+prepare st from 'select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b';
+execute st;
+a	b	c	a	b	c
+execute st;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+prepare st from 'select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b';
+execute st;
+a	b	c	a	b	c
+execute st;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_plan_cache_max_plan_size=1073741824;
+execute st;
+a	b	c	a	b	c
+execute st;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+drop table if exists t;
+create table t(a int, b int);
+prepare st_199 from 'select * from t where a in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198)';
+execute st_199;
+a	b
+execute st_199;
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+prepare st_201 from 'select * from t where a in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200)';
+execute st_201;
+a	b
+execute st_201;
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+prepare st_99_100 from 'select * from t where a in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98) and b in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99)';
+execute st_99_100;
+a	b
+execute st_99_100;
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+prepare st_100_101 from 'select * from t where a in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99) and b in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100)';
+execute st_100_101;
+a	b
+execute st_100_101;
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+drop table if exists t;
+create table t(a int);
+insert into t values (2);
+prepare st from 'select * from t where a=?';
+set @a=1;
+execute st using @a;
+a
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+analyze table t;
+set tidb_plan_cache_invalidation_on_fresh_stats = 0;
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_plan_cache_invalidation_on_fresh_stats = 1;
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_plan_cache_invalidation_on_fresh_stats = DEFAULT;
+drop table if exists t;
+create table t(a int);
+insert into t values (2);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+a
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+analyze table t;
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int, index(a));
+set tidb_enable_non_prepared_plan_cache=1;
+select /*+ use_index(t, a) */ * from t where a=1;
+a
+select /*+ use_index(t, a) */ * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t where a=1;
+a
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists tx;
+create table tx(a double, b int);
+set tidb_enable_non_prepared_plan_cache=1;
+insert into tx values (3.0, 3);
+select json_object('k', a) = json_object('k', b) from tx;
+json_object('k', a) = json_object('k', b)
+1
+select json_object('k', a) = json_object('k', b) from tx;
+json_object('k', a) = json_object('k', b)
+1
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int, index(a));
+set tidb_enable_non_prepared_plan_cache=1;
+create binding for select * from t where a=1 using select /*+ use_index(t, a) */ * from t where a=1;
+select * from t where a=1;
+a
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+drop binding for select * from t where a=1;
+select * from t where a=1;
+a
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t (a int primary key, b int, unique key(b));
+set tidb_enable_non_prepared_plan_cache=1;
+explain format='brief' select a from t where a in (1, 2);
+id	estRows	task	access object	operator info
+Batch_Point_Get	2.00	root	table:t	handle:[1 2], keep order:false, desc:false
+select a from t where a in (1, 2);
+a
+select a from t where a in (1, 2);
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+explain format='brief' select b from t where b = 1;
+id	estRows	task	access object	operator info
+Point_Get	1.00	root	table:t, index:b(b)	
+select b from t where b = 1;
+b
+select b from t where b = 1;
+b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t (a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t union select * from t;
+a
+select * from t union select * from t;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t union distinct select * from t;
+a
+select * from t union distinct select * from t;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t union all select * from t;
+a
+select * from t union all select * from t;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t except select * from t;
+a
+select * from t except select * from t;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t intersect select * from t;
+a
+select * from t intersect select * from t;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t (a int);
+create definer='root'@'localhost' view t_v as select * from t;
+create table t_p (a int) partition by hash(a) partitions 4;
+create temporary table t_t (a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t_v;
+a
+select * from t_v;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t_p;
+a
+select * from t_p;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t_t;
+a
+select * from t_t;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+with t_cte as (select * from t) select * from t_cte;
+a
+with t_cte as (select * from t) select * from t_cte;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t (a int, key(a));
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+a
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where a=1.1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+explain format = 'plan_cache' select * from t where a=1.1;
+id	estRows	task	access object	operator info
+IndexReader_10	8000.00	root		index:Selection_9
+└─Selection_9	8000.00	cop[tikv]		eq(cast(planner__core__plan_cache.t.a, decimal(10,0) BINARY), 1.1)
+  └─IndexFullScan_8	10000.00	cop[tikv]	table:t, index:a(a)	keep order:false, stats:pseudo
+Level	Code	Message
+Warning	1105	skip non-prepared plan-cache: '1.1' may be converted to INT
+select * from t where a='1';
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+explain format = 'plan_cache' select * from t where a='1';
+id	estRows	task	access object	operator info
+IndexReader_6	10.00	root		index:IndexRangeScan_5
+└─IndexRangeScan_5	10.00	cop[tikv]	table:t, index:a(a)	range:[1,1], keep order:false, stats:pseudo
+Level	Code	Message
+Warning	1105	skip non-prepared plan-cache: '1' may be converted to INT
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t6;
+create table t6 (a date, b date, key(a));
+insert into t6 values ('2023-01-21', '2023-01-05');
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t6 where a in (2015, '8');
+a	b
+select * from t6 where a in (2009, '2023-01-21');
+a	b
+2023-01-21	2023-01-05
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int, index(a));
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+a
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set @@session.sql_select_limit=1;
+select * from t where a=1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set @@session.sql_select_limit=DEFAULT;
+drop table if exists t;
+create table t (a year);
+insert into t values (2000);
+prepare st from 'select * from t where a<?';
+set @a=12;
+execute st using @a;
+a
+2000
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: '12' may be converted to INT
+drop table if exists t;
+create table t (a int);
+prepare st from 'insert into t values (1)';
+execute st;
+
+execute st;
+
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+prepare st from 'insert into t select * from t';
+execute st;
+
+execute st;
+
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+prepare st from 'insert /*+ ignore_plan_cache() */ into t select * from t';
+execute st;
+
+execute st;
+
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+drop table if exists t;
+create table t (a int);
+prepare inert200 from 'insert into t values (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1)';
+execute inert200;
+
+execute inert200;
+
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+prepare inert201 from 'insert into t values (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1)';
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: too many values in the insert statement
+execute inert201;
+
+execute inert201;
+
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+drop table if exists UK_NO_PRECISION_19392;
+CREATE TABLE `UK_NO_PRECISION_19392` (
+`COL1` bit(1) DEFAULT NULL,
+`COL2` varchar(20) COLLATE utf8mb4_bin DEFAULT NULL,
+`COL4` datetime DEFAULT NULL,
+`COL3` bigint DEFAULT NULL,
+`COL5` float DEFAULT NULL,
+UNIQUE KEY `UK_COL1` (`COL1`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+INSERT INTO `UK_NO_PRECISION_19392` VALUES (0x00,'缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈','9294-12-26 06:50:40',-3088380202191555887,-3.33294e38),(NULL,'仲膩蕦圓猴洠飌镂喵疎偌嫺荂踖Ƕ藨蜿諪軁笞','1746-08-30 18:04:04',-4016793239832666288,-2.52633e38),(0x01,'冑溜畁脊乤纊繳蟥哅稐奺躁悼貘飗昹槐速玃沮','1272-01-19 23:03:27',-8014797887128775012,1.48868e38);
+prepare stmt from 'select * from UK_NO_PRECISION_19392 where col1 between ? and ? or col3 = ? or col2 in (?, ?, ?);';
+set @a=0x01, @b=0x01, @c=-3088380202191555887, @d="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @e="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @f="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈";
+execute stmt using @a,@b,@c,@d,@e,@f;
+COL1	COL2	COL4	COL3	COL5
+	缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈	9294-12-26 06:50:40	-3088380202191555887	-3.33294e38
+
	冑溜畁脊乤纊繳蟥哅稐奺躁悼貘飗昹槐速玃沮	1272-01-19 23:03:27	-8014797887128775012	1.48868e38
+set @a=NULL, @b=NULL, @c=-4016793239832666288, @d="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @e="仲膩蕦圓猴洠飌镂喵疎偌嫺荂踖Ƕ藨蜿諪軁笞", @f="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈";
+execute stmt using @a,@b,@c,@d,@e,@f;
+COL1	COL2	COL4	COL3	COL5
+	缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈	9294-12-26 06:50:40	-3088380202191555887	-3.33294e38
+NULL	仲膩蕦圓猴洠飌镂喵疎偌嫺荂踖Ƕ藨蜿諪軁笞	1746-08-30 18:04:04	-4016793239832666288	-2.52633e38
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+execute stmt using @a,@b,@c,@d,@e,@f;
+COL1	COL2	COL4	COL3	COL5
+	缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈	9294-12-26 06:50:40	-3088380202191555887	-3.33294e38
+NULL	仲膩蕦圓猴洠飌镂喵疎偌嫺荂踖Ƕ藨蜿諪軁笞	1746-08-30 18:04:04	-4016793239832666288	-2.52633e38
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set @a=0x01, @b=0x01, @c=-3088380202191555887, @d="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @e="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @f="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈";
+execute stmt using @a,@b,@c,@d,@e,@f;
+COL1	COL2	COL4	COL3	COL5
+	缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈	9294-12-26 06:50:40	-3088380202191555887	-3.33294e38
+
	冑溜畁脊乤纊繳蟥哅稐奺躁悼貘飗昹槐速玃沮	1272-01-19 23:03:27	-8014797887128775012	1.48868e38
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+drop table if exists t;
+create table t (a int, b int, key(a), key(b));
+prepare stmt from 'select /*+ ignore_plan_cache() */ * from t';
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: ignore plan cache by hint
+prepare stmt from 'select * from t order by ?';
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: query has 'order by ?' is un-cacheable
+prepare stmt from 'select * from t where a=?';
+set @a='123';
+execute stmt using @a;
+a	b
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: '123' may be converted to INT
+prepare stmt from 'select * from t where a=? and a=?';
+set @a=1, @b=1;
+execute stmt using @a, @b;
+a	b
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: some parameters may be overwritten
+drop table if exists t;
+create table t (a int, key(a));
+prepare st from 'select * from t where a<?';
+set @a='1';
+execute st using @a;
+a
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: '1' may be converted to INT
+create binding for select * from t where a<1 using select /*+ ignore_plan_cache() */ * from t where a<1;
+execute st using @a;
+a
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: ignore plan cache by binding
+prepare st from 'select * from t where a>?';
+set @a=1;
+execute st using @a;
+a
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+create binding for select * from t where a>1 using select /*+ ignore_plan_cache() */ * from t where a>1;
+execute st using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+execute st using @a;
+a
+select @@last_plan_from_binding;
+@@last_plan_from_binding
+1
+CREATE TABLE PK_LP9463 (
+COL1 mediumint NOT NULL DEFAULT '77' COMMENT 'NUMERIC PK',
+COL2 varchar(20) COLLATE utf8mb4_bin DEFAULT NULL,
+COL4 datetime DEFAULT NULL,
+COL3 bigint DEFAULT NULL,
+COL5 float DEFAULT NULL,
+PRIMARY KEY (COL1));
+INSERT INTO PK_LP9463 VALUES (-7415279,'笚綷想摻癫梒偆荈湩窐曋繾鏫蘌憬稁渣½隨苆','1001-11-02 05:11:33',-3745331437675076296,-3.21618e38),
+(-7153863,'鯷氤衡椻闍饑堀鱟垩啵緬氂哨笂序鉲秼摀巽茊','6800-06-20 23:39:12',-7871155140266310321,-3.04829e38),
+(77,'娥藨潰眤徕菗柢礥蕶浠嶲憅榩椻鍙鑜堋ᛀ暵氎','4473-09-13 01:18:59',4076508026242316746,-1.9525e38),
+(16614,'阖旕雐盬皪豧篣哙舄糗悄蟊鯴瞶珧赺潴嶽簤彉','2745-12-29 00:29:06',-4242415439257105874,2.71063e37);
+prepare stmt from 'SELECT *, rank() OVER (PARTITION BY col2 ORDER BY COL1) FROM PK_LP9463 WHERE col1 != ? AND col1 < ?';
+set @a=-8414766051197, @b=-8388608;
+execute stmt using @a,@b;
+COL1	COL2	COL4	COL3	COL5	rank() OVER (PARTITION BY col2 ORDER BY COL1)
+set @a=16614, @b=16614;
+execute stmt using @a,@b;
+COL1	COL2	COL4	COL3	COL5	rank() OVER (PARTITION BY col2 ORDER BY COL1)
+-7153863	鯷氤衡椻闍饑堀鱟垩啵緬氂哨笂序鉲秼摀巽茊	6800-06-20 23:39:12	-7871155140266310321	-3.04829e38	1
+-7415279	笚綷想摻癫梒偆荈湩窐曋繾鏫蘌憬稁渣½隨苆	1001-11-02 05:11:33	-3745331437675076296	-3.21618e38	1
+77	娥藨潰眤徕菗柢礥蕶浠嶲憅榩椻鍙鑜堋ᛀ暵氎	4473-09-13 01:18:59	4076508026242316746	-1.9525e38	1
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+SELECT *, rank() OVER (PARTITION BY col2 ORDER BY COL1) FROM PK_LP9463 WHERE col1 != 16614 and col1 < 16614;
+COL1	COL2	COL4	COL3	COL5	rank() OVER (PARTITION BY col2 ORDER BY COL1)
+-7153863	鯷氤衡椻闍饑堀鱟垩啵緬氂哨笂序鉲秼摀巽茊	6800-06-20 23:39:12	-7871155140266310321	-3.04829e38	1
+-7415279	笚綷想摻癫梒偆荈湩窐曋繾鏫蘌憬稁渣½隨苆	1001-11-02 05:11:33	-3745331437675076296	-3.21618e38	1
+77	娥藨潰眤徕菗柢礥蕶浠嶲憅榩椻鍙鑜堋ᛀ暵氎	4473-09-13 01:18:59	4076508026242316746	-1.9525e38	1
+CREATE TABLE PK_SIGNED_10087 (
+COL1 mediumint(8) unsigned NOT NULL,
+COL2 varchar(20) DEFAULT NULL,
+COL4 datetime DEFAULT NULL,
+COL3 bigint(20) DEFAULT NULL,
+COL5 float DEFAULT NULL,
+PRIMARY KEY (COL1) );
+insert into PK_SIGNED_10087 values(0, "痥腜蟿鮤枓欜喧檕澙姭袐裄钭僇剕焍哓閲疁櫘", "0017-11-14 05:40:55", -4504684261333179273, 7.97449e37);
+prepare stmt from 'SELECT/*+ HASH_JOIN(t1, t2) */ t2.* FROM PK_SIGNED_10087 t1 JOIN PK_SIGNED_10087 t2 ON t1.col1 = t2.col1 WHERE t2.col1 >= ? AND t1.col1 >= ?;';
+set @a=0, @b=0;
+execute stmt using @a,@b;
+COL1	COL2	COL4	COL3	COL5
+0	痥腜蟿鮤枓欜喧檕澙姭袐裄钭僇剕焍哓閲疁櫘	0017-11-14 05:40:55	-4504684261333179273	7.97449e37
+set @a=8950167, @b=16305982;
+execute stmt using @a,@b;
+COL1	COL2	COL4	COL3	COL5
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select @@session.tidb_enable_plan_cache_for_param_limit;
+@@session.tidb_enable_plan_cache_for_param_limit
+1
+select @@global.tidb_enable_plan_cache_for_param_limit;
+@@global.tidb_enable_plan_cache_for_param_limit
+1
+set @@session.tidb_enable_plan_cache_for_param_limit = OFF;
+select @@session.tidb_enable_plan_cache_for_param_limit;
+@@session.tidb_enable_plan_cache_for_param_limit
+0
+set @@session.tidb_enable_plan_cache_for_param_limit = 1;
+select @@session.tidb_enable_plan_cache_for_param_limit;
+@@session.tidb_enable_plan_cache_for_param_limit
+1
+set @@global.tidb_enable_plan_cache_for_param_limit = off;
+select @@global.tidb_enable_plan_cache_for_param_limit;
+@@global.tidb_enable_plan_cache_for_param_limit
+0
+set @@global.tidb_enable_plan_cache_for_param_limit = ON;
+select @@global.tidb_enable_plan_cache_for_param_limit;
+@@global.tidb_enable_plan_cache_for_param_limit
+1
+set @@global.tidb_enable_plan_cache_for_param_limit = '';
+Error 1231 (42000): Variable 'tidb_enable_plan_cache_for_param_limit' can't be set to the value of ''
+set @@global.tidb_enable_plan_cache_for_param_limit = 11;
+Error 1231 (42000): Variable 'tidb_enable_plan_cache_for_param_limit' can't be set to the value of '11'
+set @@global.tidb_enable_plan_cache_for_param_limit = enabled;
+Error 1231 (42000): Variable 'tidb_enable_plan_cache_for_param_limit' can't be set to the value of 'enabled'
+set @@global.tidb_enable_plan_cache_for_param_limit = disabled;
+Error 1231 (42000): Variable 'tidb_enable_plan_cache_for_param_limit' can't be set to the value of 'disabled'
+set @@global.tidb_enable_plan_cache_for_param_limit = open;
+Error 1231 (42000): Variable 'tidb_enable_plan_cache_for_param_limit' can't be set to the value of 'open'
+set @@global.tidb_enable_plan_cache_for_param_limit = DEFAULT;
+drop table if exists t;
+create table t(a int, key(a));
+set @@session.tidb_enable_plan_cache_for_param_limit = OFF;
+prepare stmt from 'select * from t limit ?';
+show warnings;
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: query has 'limit ?' is un-cacheable
+set @a = 1;
+execute stmt using @a;
+a
+execute stmt using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+deallocate prepare stmt;
+set @@session.tidb_enable_plan_cache_for_param_limit = ON;
+prepare stmt from 'select * from t limit ?';
+set @@session.tidb_enable_plan_cache_for_param_limit = OFF;
+set @a = 1;
+execute stmt using @a;
+a
+execute stmt using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+execute stmt using @a;
+a
+show warnings;
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: the switch 'tidb_enable_plan_cache_for_param_limit' is off
+deallocate prepare stmt;
+set @@session.tidb_enable_plan_cache_for_param_limit = ON;
+prepare stmt from 'select * from t limit ?';
+set @a = 1;
+execute stmt using @a;
+a
+execute stmt using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set @@session.tidb_enable_plan_cache_for_param_limit = OFF;
+set @a = 1;
+execute stmt using @a;
+a
+execute stmt using @a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+deallocate prepare stmt;
+drop table if exists t1, t2;
+create table t1 (a int);
+create table t2 (a int, b int);
+prepare st from 'select count(*) from information_schema.COLUMNS where table_name=? and TABLE_SCHEMA = \'planner__core__plan_cache\'';
+set @a='t1';
+execute st using @a;
+count(*)
+1
+set @a='t2';
+execute st using @a;
+count(*)
+2
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select @@session.tidb_enable_plan_cache_for_subquery;
+@@session.tidb_enable_plan_cache_for_subquery
+1
+select @@global.tidb_enable_plan_cache_for_subquery;
+@@global.tidb_enable_plan_cache_for_subquery
+1
+set @@session.tidb_enable_plan_cache_for_subquery = OFF;
+select @@session.tidb_enable_plan_cache_for_subquery;
+@@session.tidb_enable_plan_cache_for_subquery
+0
+set @@session.tidb_enable_plan_cache_for_subquery = 1;
+select @@session.tidb_enable_plan_cache_for_subquery;
+@@session.tidb_enable_plan_cache_for_subquery
+1
+set @@global.tidb_enable_plan_cache_for_subquery = off;
+select @@global.tidb_enable_plan_cache_for_subquery;
+@@global.tidb_enable_plan_cache_for_subquery
+0
+set @@global.tidb_enable_plan_cache_for_subquery = ON;
+select @@global.tidb_enable_plan_cache_for_subquery;
+@@global.tidb_enable_plan_cache_for_subquery
+1
+set @@global.tidb_enable_plan_cache_for_subquery = '';
+Error 1231 (42000): Variable 'tidb_enable_plan_cache_for_subquery' can't be set to the value of ''
+set @@global.tidb_enable_plan_cache_for_subquery = 11;
+Error 1231 (42000): Variable 'tidb_enable_plan_cache_for_subquery' can't be set to the value of '11'
+set @@global.tidb_enable_plan_cache_for_subquery = enabled;
+Error 1231 (42000): Variable 'tidb_enable_plan_cache_for_subquery' can't be set to the value of 'enabled'
+set @@global.tidb_enable_plan_cache_for_subquery = disabled;
+Error 1231 (42000): Variable 'tidb_enable_plan_cache_for_subquery' can't be set to the value of 'disabled'
+set @@global.tidb_enable_plan_cache_for_subquery = open;
+Error 1231 (42000): Variable 'tidb_enable_plan_cache_for_subquery' can't be set to the value of 'open'
+set @@global.tidb_enable_plan_cache_for_subquery = DEFAULT;
+drop table if exists t, s;
+create table t(a int, key(a));
+create table s(a int, key(a));
+set @@session.tidb_enable_plan_cache_for_subquery = OFF;
+prepare stmt from 'select * from t where a in (select a from s)';
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: query has sub-queries is un-cacheable
+execute stmt;
+a
+execute stmt;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+deallocate prepare stmt;
+set @@session.tidb_enable_plan_cache_for_subquery = ON;
+prepare stmt from 'select * from t where a in (select a from s)';
+set @@session.tidb_enable_plan_cache_for_subquery = OFF;
+execute stmt;
+a
+execute stmt;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+execute stmt;
+a
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: the switch 'tidb_enable_plan_cache_for_subquery' is off
+deallocate prepare stmt;
+set @@session.tidb_enable_plan_cache_for_subquery = ON;
+prepare stmt from 'select * from t where a in (select a from s)';
+execute stmt;
+a
+execute stmt;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set @@session.tidb_enable_plan_cache_for_subquery = OFF;
+execute stmt;
+a
+execute stmt;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+deallocate prepare stmt;
+set @@session.tidb_enable_plan_cache_for_subquery = DEFAULT;
+CREATE TABLE IDT_MULTI15840STROBJSTROBJ (
+COL1 enum('aa', 'zzz') DEFAULT NULL,
+COL2 smallint(6) DEFAULT NULL,
+COL3 date DEFAULT NULL,
+KEY U_M_COL4 (COL1,COL2),
+KEY U_M_COL5 (COL3,COL2));
+INSERT INTO IDT_MULTI15840STROBJSTROBJ VALUES ('zzz',1047,'6115-06-05'),('zzz',-23221,'4250-09-03'),('zzz',27138,'1568-07-30'),('zzz',-30903,'6753-08-21'),('zzz',-26875,'6117-10-10');
+prepare stmt from 'select * from IDT_MULTI15840STROBJSTROBJ where col3 <=> ? or col1 in (?, ?, ?) and col2 not between ? and ?';
+set @a="0051-12-23", @b="none", @c="none", @d="none", @e=-32757, @f=-32757;
+execute stmt using @a,@b,@c,@d,@e,@f;
+COL1	COL2	COL3
+show warnings;
+Level	Code	Message
+Warning	1105	skip prepared plan-cache: IndexMerge plan with full-scan is un-cacheable
+set @a="9795-01-10", @b="aa", @c="aa", @d="aa", @e=31928, @f=31928;
+execute stmt using @a,@b,@c,@d,@e,@f;
+COL1	COL2	COL3
+drop table if exists t;
+create table t (a int);
+set tidb_enable_non_prepared_plan_cache=1;
+set tidb_enable_non_prepared_plan_cache_for_dml=0;
+insert into t values (1);
+insert into t values (1);
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select a from t where a < 2 for update;
+a
+1
+1
+select a from t where a < 2 for update;
+a
+1
+1
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set @x:=1;
+set @x:=1;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache_for_dml=1;
+insert into t values (1);
+insert into t values (1);
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select a from t where a < 2 for update;
+a
+1
+1
+1
+1
+select a from t where a < 2 for update;
+a
+1
+1
+1
+1
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache_for_dml=DEFAULT;
+drop table if exists t;
+create table t (a varchar(10), b int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a = _utf8'a';
+a	b
+select * from t where a = _utf8'a';
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t where a = _latin1'a';
+a	b
+select * from t where a = _latin1'a';
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t where a = N'a';
+a	b
+select * from t where a = N'a';
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t where a = 'a';
+a	b
+select * from t where a = 'a';
+a	b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int, b int, index(a));
+set tidb_enable_non_prepared_plan_cache=1;
+select sum(b) from t group by a+1;
+sum(b)
+select sum(b) from t group by a+1;
+sum(b)
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select sum(b) from t group by a+2;
+sum(b)
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select sum(b) from t group by a+2;
+sum(b)
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t(a int, index(a));
+set tidb_enable_non_prepared_plan_cache=1;
+explain format = 'row' select * from t;
+id	estRows	task	access object	operator info
+IndexReader_7	10000.00	root		index:IndexFullScan_6
+└─IndexFullScan_6	10000.00	cop[tikv]	table:t, index:a(a)	keep order:false, stats:pseudo
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+explain format = 'brief' select * from t;
+id	estRows	task	access object	operator info
+IndexReader	10000.00	root		index:IndexFullScan
+└─IndexFullScan	10000.00	cop[tikv]	table:t, index:a(a)	keep order:false, stats:pseudo
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+explain format = 'dot' select * from t;
+dot contents
+
+digraph IndexReader_7 {
+subgraph cluster7{
+node [style=filled, color=lightgrey]
+color=black
+label = "root"
+"IndexReader_7"
+}
+subgraph cluster6{
+node [style=filled, color=lightgrey]
+color=black
+label = "cop"
+"IndexFullScan_6"
+}
+"IndexReader_7" -> "IndexFullScan_6"
+}
+
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+explain format = 'tidb_json' select * from t;
+TiDB_JSON
+[
+    {
+        "id": "IndexReader_7",
+        "estRows": "10000.00",
+        "taskType": "root",
+        "operatorInfo": "index:IndexFullScan_6",
+        "subOperators": [
+            {
+                "id": "IndexFullScan_6",
+                "estRows": "10000.00",
+                "taskType": "cop[tikv]",
+                "accessObject": "table:t, index:a(a)",
+                "operatorInfo": "keep order:false, stats:pseudo"
+            }
+        ]
+    }
+]
+
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+explain format = 'verbose' select * from t;
+id	estRows	estCost	task	access object	operator info
+IndexReader_7	10000.00	150773.33	root		index:IndexFullScan_6
+└─IndexFullScan_6	10000.00	1628000.00	cop[tikv]	table:t, index:a(a)	keep order:false, stats:pseudo
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+explain format = 'cost_trace' select * from t;
+id	estRows	estCost	costFormula	task	access object	operator info
+IndexReader_7	10000.00	150773.33	((scan(10000*logrowsize(16)*tikv_scan_factor(40.7))) + (net(10000*rowsize(16)*tidb_kv_net_factor(3.96))))/15.00	root		index:IndexFullScan_6
+└─IndexFullScan_6	10000.00	1628000.00	scan(10000*logrowsize(16)*tikv_scan_factor(40.7))	cop[tikv]	table:t, index:a(a)	keep order:false, stats:pseudo
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+explain format = 'row' select * from t limit 1;
+id	estRows	task	access object	operator info
+Limit_7	1.00	root		offset:0, count:1
+└─IndexReader_12	1.00	root		index:Limit_11
+  └─Limit_11	1.00	cop[tikv]		offset:0, count:1
+    └─IndexFullScan_10	1.00	cop[tikv]	table:t, index:a(a)	keep order:false, stats:pseudo
+explain format = 'brief' select * from t limit 1;
+id	estRows	task	access object	operator info
+Limit	1.00	root		offset:0, count:1
+└─IndexReader	1.00	root		index:Limit
+  └─Limit	1.00	cop[tikv]		offset:0, count:1
+    └─IndexFullScan	1.00	cop[tikv]	table:t, index:a(a)	keep order:false, stats:pseudo
+explain format = 'dot' select * from t limit 1;
+dot contents
+
+digraph Limit_7 {
+subgraph cluster7{
+node [style=filled, color=lightgrey]
+color=black
+label = "root"
+"Limit_7" -> "IndexReader_12"
+}
+subgraph cluster11{
+node [style=filled, color=lightgrey]
+color=black
+label = "cop"
+"Limit_11" -> "IndexFullScan_10"
+}
+"IndexReader_12" -> "Limit_11"
+}
+
+explain format = 'tidb_json' select * from t limit 1;
+TiDB_JSON
+[
+    {
+        "id": "Limit_7",
+        "estRows": "1.00",
+        "taskType": "root",
+        "operatorInfo": "offset:0, count:1",
+        "subOperators": [
+            {
+                "id": "IndexReader_12",
+                "estRows": "1.00",
+                "taskType": "root",
+                "operatorInfo": "index:Limit_11",
+                "subOperators": [
+                    {
+                        "id": "Limit_11",
+                        "estRows": "1.00",
+                        "taskType": "cop[tikv]",
+                        "operatorInfo": "offset:0, count:1",
+                        "subOperators": [
+                            {
+                                "id": "IndexFullScan_10",
+                                "estRows": "1.00",
+                                "taskType": "cop[tikv]",
+                                "accessObject": "table:t, index:a(a)",
+                                "operatorInfo": "keep order:false, stats:pseudo"
+                            }
+                        ]
+                    }
+                ]
+            }
+        ]
+    }
+]
+
+explain format = 'verbose' select * from t limit 1;
+id	estRows	estCost	task	access object	operator info
+Limit_7	1.00	12.97	root		offset:0, count:1
+└─IndexReader_12	1.00	12.97	root		index:Limit_11
+  └─Limit_11	1.00	162.80	cop[tikv]		offset:0, count:1
+    └─IndexFullScan_10	1.00	162.80	cop[tikv]	table:t, index:a(a)	keep order:false, stats:pseudo
+explain format = 'cost_trace' select * from t limit 1;
+id	estRows	estCost	costFormula	task	access object	operator info
+Limit_7	1.00	12.97	((((scan(1*logrowsize(16)*tikv_scan_factor(40.7)))) + (net(1*rowsize(8)*tidb_kv_net_factor(3.96))))/15.00)	root		offset:0, count:1
+└─IndexReader_12	1.00	12.97	(((scan(1*logrowsize(16)*tikv_scan_factor(40.7)))) + (net(1*rowsize(8)*tidb_kv_net_factor(3.96))))/15.00	root		index:Limit_11
+  └─Limit_11	1.00	162.80	(scan(1*logrowsize(16)*tikv_scan_factor(40.7)))	cop[tikv]		offset:0, count:1
+    └─IndexFullScan_10	1.00	162.80	scan(1*logrowsize(16)*tikv_scan_factor(40.7))	cop[tikv]	table:t, index:a(a)	keep order:false, stats:pseudo
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t, t1, t2;
+CREATE TABLE `t1` (`c_int` int(11) NOT NULL,  `c_str` varchar(40) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,  `c_datetime` datetime DEFAULT NULL,  `c_timestamp` timestamp NULL DEFAULT NULL,  `c_double` double DEFAULT NULL,  `c_decimal` decimal(12,6) DEFAULT NULL,  `c_enum` enum('blue','green','red','yellow','white','orange','purple') NOT NULL,  PRIMARY KEY (`c_int`,`c_enum`) /*T![clustered_index] CLUSTERED */,  KEY `c_decimal` (`c_decimal`),  UNIQUE KEY `c_datetime` (`c_datetime`),  UNIQUE KEY `c_timestamp` (`c_timestamp`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+CREATE TABLE `t2` (`c_int` int(11) NOT NULL,  `c_str` varchar(40) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,  `c_datetime` datetime DEFAULT NULL,  `c_timestamp` timestamp NULL DEFAULT NULL,  `c_double` double DEFAULT NULL,  `c_decimal` decimal(12,6) DEFAULT NULL,  `c_enum` enum('blue','green','red','yellow','white','orange','purple') NOT NULL,  PRIMARY KEY (`c_int`,`c_enum`) /*T![clustered_index] CLUSTERED */,  KEY `c_decimal` (`c_decimal`),  UNIQUE KEY `c_datetime` (`c_datetime`),  UNIQUE KEY `c_timestamp` (`c_timestamp`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+create table t (a int, b int, primary key(a), key(b));
+set @v0 = 'nice hellman', @v1 = 'flamboyant booth', @v2 = 'quirky brahmagupta';
+prepare stmt16 from 'select * from t1 where c_enum in (select c_enum from t2 where t1.c_str in (?, ?, ?))';
+execute stmt16 using @v0, @v1, @v2;
+c_int	c_str	c_datetime	c_timestamp	c_double	c_decimal	c_enum
+execute stmt16 using @v0, @v1, @v2;
+c_int	c_str	c_datetime	c_timestamp	c_double	c_decimal	c_enum
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+prepare stmt from 'select c_enum from t1';
+execute stmt;
+c_enum
+execute stmt;
+c_enum
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+prepare st from 'select a from t use index(b)';
+execute st;
+a
+execute st;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=1;
+set tidb_enable_non_prepared_plan_cache_for_dml=1;
+drop table if exists t;
+create table t (a int default 0, b int default 0);
+select a from t for update;
+a
+select a from t for update;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select a from t where a<10 for update;
+a
+select a from t where a<10 for update;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+insert into t values (1, 1);
+insert into t values (1, 1);
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+insert into t (a, b) values (1, 1);
+insert into t (a, b) values (1, 1);
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+insert into t (a) values (1);
+insert into t (a) values (1);
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+insert into t (b) values (1);
+insert into t (b) values (1);
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+insert into t select * from t;
+insert into t select * from t;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+insert into t select * from t where a>10;
+insert into t select * from t where a>10;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+update t set a=1;
+update t set a=1;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+update t set a=1 where a>10;
+update t set a=1 where a>10;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+update t set a=1, b=1;
+update t set a=1, b=1;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+update t set a=a+1 where a>10;
+update t set a=a+1 where a>10;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+delete from t;
+delete from t;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+delete from t where a>10;
+delete from t where a>10;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache_for_dml=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=1;
+set tidb_enable_non_prepared_plan_cache_for_dml=1;
+drop table if exists t;
+create table t (a int);
+update t set a=1 where a<10;
+update t set a=2 where a<12;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+update t set a=1 where a<10;
+ update t set a=2 where a<12;
+update t set a=1 where a<10;
+ update t set a=2 where a<12;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+update t set a=2 where a<12;
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache_for_dml=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t1, t2, t3, t4;
+create table t1 (a int, b int, c int);
+create table t2 (a int, b int, c int);
+create table t3 (a int, b int, c int);
+create table t4 (a int, x int);
+select * from t1, t2 where t1.a=t2.a and t1.b<10;
+a	b	c	a	b	c
+select * from t1, t2 where t1.a=t2.a and t1.b<10;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1, t2;
+a	b	c	a	b	c
+select * from t1, t2;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1, t2 where t1.a<t2.a and t2.c=10;
+a	b	c	a	b	c
+select * from t1, t2 where t1.a<t2.a and t2.c=10;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1 tx, t1 ty;
+a	b	c	a	b	c
+select * from t1 tx, t1 ty;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1 tx, t1 ty where tx.a=ty.a;
+a	b	c	a	b	c
+select * from t1 tx, t1 ty where tx.a=ty.a;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1 inner join t2;
+a	b	c	a	b	c
+select * from t1 inner join t2;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1 inner join t2 on t1.a=t2.a;
+a	b	c	a	b	c
+select * from t1 inner join t2 on t1.a=t2.a;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1 inner join t2 on t1.a=t2.a and t2.c<10;
+a	b	c	a	b	c
+select * from t1 inner join t2 on t1.a=t2.a and t2.c<10;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1 left join t2 on t1.a=t2.a;
+a	b	c	a	b	c
+select * from t1 left join t2 on t1.a=t2.a;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1 left join t2 on t1.a=t2.a and t2.c<10;
+a	b	c	a	b	c
+select * from t1 left join t2 on t1.a=t2.a and t2.c<10;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1, t4 where t1.a=t4.a and t4.x=10;
+a	b	c	a	x
+select * from t1, t4 where t1.a=t4.a and t4.x=10;
+a	b	c	a	x
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1 inner join t4 on t1.a=t4.a and t4.x=10;
+a	b	c	a	x
+select * from t1 inner join t4 on t1.a=t4.a and t4.x=10;
+a	b	c	a	x
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t1, t2, t3;
+a	b	c	a	b	c	a	b	c
+select * from t1, t2, t3;
+a	b	c	a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t1, t2, t1 tx;
+a	b	c	a	b	c	a	b	c
+select * from t1, t2, t1 tx;
+a	b	c	a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t1, (select * from t2) t2;
+a	b	c	a	b	c
+select * from t1, (select * from t2) t2;
+a	b	c	a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=1;
+set sql_mode='';
+drop table if exists t;
+create table t (a int, b int);
+select count(*) from t;
+count(*)
+0
+select count(*) from t;
+count(*)
+0
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select max(b) from t group by a;
+max(b)
+select max(b) from t group by a;
+max(b)
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select count(*), a from t group by a, b;
+count(*)	a
+select count(*), a from t group by a, b;
+count(*)	a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select a from t order by a;
+a
+select a from t order by a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select a, b, a+b from t order by a, b;
+a	b	a+b
+select a, b, a+b from t order by a, b;
+a	b	a+b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select sum(b) from t group by a+1;
+sum(b)
+select sum(b) from t group by a+1;
+sum(b)
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select count(*) from t group by a+b;
+count(*)
+select count(*) from t group by a+b;
+count(*)
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select a, b, count(*) from t group by 1;
+a	b	count(*)
+select a, b, count(*) from t group by 1;
+a	b	count(*)
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select a, b, count(*) from t group by 1, a;
+a	b	count(*)
+select a, b, count(*) from t group by 1, a;
+a	b	count(*)
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select a, b, count(*) from t group by a having b < 1;
+a	b	count(*)
+select a, b, count(*) from t group by a having b < 1;
+a	b	count(*)
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select a from t order by a+1;
+a
+select a from t order by a+1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select a, b, a+b from t order by a + b;
+a	b	a+b
+select a, b, a+b from t order by a + b;
+a	b	a+b
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set sql_mode=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t;
+create table t (a int, b int);
+select a from t order by a;
+a
+select a from t order by a;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select a from t order by a asc;
+a
+select a from t order by a asc;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select a from t order by a desc;
+a
+select a from t order by a desc;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select a from t order by a,b desc;
+a
+select a from t order by a,b desc;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select a from t order by 1;
+a
+select a from t order by 1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select a from t order by a, 1;
+a
+select a from t order by a, 1;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select a from t order by a+1,b-2;
+a
+select a from t order by a+1,b-2;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select a from t order by a desc, b+2;
+a
+select a from t order by a desc, b+2;
+a
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t1;
+create table t1 (a varchar(10) character set latin1, b int);
+insert into t1 values ('a',1);
+select concat(a, if(b>10, N'x', N'y')) from t1;
+concat(a, if(b>10, N'x', N'y'))
+ay
+select concat(a, if(b>10, N'x', N'y')) from t1;
+concat(a, if(b>10, N'x', N'y'))
+ay
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t1;
+CREATE TABLE t1 (c1 INT);
+INSERT INTO t1 VALUES (1);
+SELECT c1 FROM t1 WHERE TO_BASE64('牵');
+c1
+1
+SELECT c1 FROM t1 WHERE TO_BASE64('牵');
+c1
+1
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+SELECT c1 FROM t1 WHERE TO_BASE64('哈');
+c1
+1
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+SELECT c1 FROM t1 WHERE TO_BASE64('');
+c1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t1;
+CREATE TABLE t1(c1 INT);
+INSERT INTO t1 VALUES (1);
+SELECT c1 FROM t1 WHERE UNHEX(2038330881);
+c1
+1
+SELECT c1 FROM t1 WHERE UNHEX(2038330881);
+c1
+1
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+drop table if exists t;
+create table t (a varchar(10), key(a(5)));
+prepare st from 'select a from t use index(a) where a=?';
+set @a='a';
+execute st using @a;
+a
+execute st using @a;
+a
+Level	Code	Message
+Warning	1105	skip plan-cache: plan rebuild failed, rebuild to get an unsafe range
+set @@time_zone='UTC';
+set @@collation_connection='utf8_general_ci';
+prepare s from 'select DATE_FORMAT("2020-01-01","%W") = "wednesday"';
+execute s;
+DATE_FORMAT("2020-01-01","%W") = "wednesday"
+1
+set @@collation_connection='utf8_bin';
+execute s;
+DATE_FORMAT("2020-01-01","%W") = "wednesday"
+0
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set @@time_zone=DEFAULT;
+set @@collation_connection=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t;
+create table t (a int, b varchar(32), c datetime, key(a));
+select * from t where mod(a, 5) < 2;
+a	b	c
+select * from t where mod(a, 5) < 2;
+a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where c < now();
+a	b	c
+select * from t where c < now();
+a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select date_format(c, '%Y-%m-%d') from t where a < 10;
+date_format(c, '%Y-%m-%d')
+select date_format(c, '%Y-%m-%d') from t where a < 10;
+date_format(c, '%Y-%m-%d')
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select str_to_date(b, '%Y-%m-%d') from t where a < 10;
+str_to_date(b, '%Y-%m-%d')
+select str_to_date(b, '%Y-%m-%d') from t where a < 10;
+str_to_date(b, '%Y-%m-%d')
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where a-2 < 20;
+a	b	c
+select * from t where a-2 < 20;
+a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where a+b > 100;
+a	b	c
+select * from t where a+b > 100;
+a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+1
+select * from t where -a > 10;
+a	b	c
+select * from t where -a > 10;
+a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select * from t where a < 1 and b like '%abc%';
+a	b	c
+select * from t where a < 1 and b like '%abc%';
+a	b	c
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+select database() from t;
+database()
+select database() from t;
+database()
+select @@last_plan_from_cache;
+@@last_plan_from_cache
+0
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
diff --git a/tests/integrationtest/t/planner/core/integration_partition.test b/tests/integrationtest/t/planner/core/integration_partition.test
index 40d0afa5d403a..bb50b9e206c5b 100644
--- a/tests/integrationtest/t/planner/core/integration_partition.test
+++ b/tests/integrationtest/t/planner/core/integration_partition.test
@@ -398,6 +398,7 @@ PARTITION BY LIST COLUMNS(col1) (
   PARTITION P8 VALUES IN (126,30,48,68)
 );
 insert into PK_LP9326 values(30),(48),(56);
+--sorted_result
 SELECT COL1 FROM PK_LP9326 WHERE COL1 NOT IN (621579514938,-17333745845828,2777039147338);
 
 
diff --git a/tests/integrationtest/t/planner/core/plan_cache.test b/tests/integrationtest/t/planner/core/plan_cache.test
new file mode 100644
index 0000000000000..da527157506f2
--- /dev/null
+++ b/tests/integrationtest/t/planner/core/plan_cache.test
@@ -0,0 +1,1431 @@
+# TestIssue43311
+drop table if exists t;
+create table t (id int, value decimal(7,4), c1 int, c2 int);
+insert into t values (1,1.9285,54,28), (1,1.9286,54,28);
+set session tidb_enable_non_prepared_plan_cache=0;
+select * from t where value = 54 / 28;
+set session tidb_enable_non_prepared_plan_cache=1;
+select * from t where value = 54 / 28;
+select * from t where value = 54 / 28;
+prepare st from 'select * from t where value = ? / ?';
+set @a=54, @b=28;
+execute st using @a, @b;
+execute st using @a, @b;
+set session tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestIssue44830
+set @@tidb_opt_fix_control = "44830:ON";
+drop table if exists t, t1;
+create table t (a int, primary key(a));
+create table t1 (a int, b int, primary key(a, b));
+insert into t values (1), (2), (3);
+insert into t1 values (1, 1), (2, 2), (3, 3);
+set @a=1, @b=2, @c=3;
+prepare st from 'select * from t where 1=1 and a in (?, ?, ?)';
+--sorted_result
+execute st using @a, @b, @c;
+--sorted_result
+execute st using @a, @b, @c;
+select @@last_plan_from_cache;
+--sorted_result
+execute st using @a, @b, @b;
+select @@last_plan_from_cache;
+--sorted_result
+execute st using @b, @b, @b;
+select @@last_plan_from_cache;
+--sorted_result
+execute st using @a, @b, @c;
+--sorted_result
+execute st using @a, @b, @b;
+--sorted_result
+execute st using @a, @b, @b;
+select @@last_plan_from_cache;
+prepare st from 'select * from t1 where 1=1 and (a, b) in ((?, ?), (?, ?), (?, ?))';
+--sorted_result
+execute st using @a, @a, @b, @b, @c, @c;
+--sorted_result
+execute st using @a, @a, @b, @b, @c, @c;
+select @@last_plan_from_cache;
+--sorted_result
+execute st using @a, @a, @b, @b, @b, @b;
+select @@last_plan_from_cache;
+--sorted_result
+execute st using @b, @b, @b, @b, @b, @b;
+select @@last_plan_from_cache;
+--sorted_result
+execute st using @b, @b, @b, @b, @c, @c;
+select @@last_plan_from_cache;
+--sorted_result
+execute st using @a, @a, @a, @a, @a, @a;
+--sorted_result
+execute st using @a, @a, @a, @a, @a, @a;
+select @@last_plan_from_cache;
+--sorted_result
+execute st using @a, @a, @b, @b, @b, @b;
+execute st using @a, @a, @b, @b, @b, @b;
+select @@last_plan_from_cache;
+set @@tidb_opt_fix_control = DEFAULT;
+
+
+# TestIssue44830NonPrep
+set @@tidb_enable_non_prepared_plan_cache=1;
+set @@tidb_opt_fix_control = "44830:ON";
+drop table if exists t1;
+create table t1 (a int, b int, primary key(a, b));
+insert into t1 values (1, 1), (2, 2), (3, 3);
+set @a=1, @b=2, @c=3;
+--sorted_result
+select * from t1 where 1=1 and (a, b) in ((1, 1), (2, 2), (3, 3));
+--sorted_result
+select * from t1 where 1=1 and (a, b) in ((1, 1), (2, 2), (3, 3));
+select @@last_plan_from_cache;
+--sorted_result
+select * from t1 where 1=1 and (a, b) in ((1, 1), (2, 2), (2, 2));
+select @@last_plan_from_cache;
+--sorted_result
+select * from t1 where 1=1 and (a, b) in ((2, 2), (2, 2), (2, 2));
+select @@last_plan_from_cache;
+--sorted_result
+select * from t1 where 1=1 and (a, b) in ((1, 1), (1, 1), (1, 1));
+--sorted_result
+select * from t1 where 1=1 and (a, b) in ((1, 1), (1, 1), (1, 1));
+select @@last_plan_from_cache;
+set @@tidb_enable_non_prepared_plan_cache=DEFAULT;
+set @@tidb_opt_fix_control = DEFAULT;
+
+
+# TestPlanCacheUnsafeRange
+drop table if exists t, t1;
+create table t (a int unsigned, key(a));
+prepare st from 'select a from t use index(a) where a<?';
+set @a=10;
+execute st using @a;
+execute st using @a;
+select @@last_plan_from_cache;
+set @a=-10;
+execute st using @a;
+select @@last_plan_from_cache;
+set @a=10;
+execute st using @a;
+execute st using @a;
+select @@last_plan_from_cache;
+create table t1 (a enum('1', '2'), key(a));
+prepare st from 'select a from t1 use index(a) where a=?';
+set @a='1';
+execute st using @a;
+execute st using @a;
+select @@last_plan_from_cache;
+set @a='x';
+execute st using @a;
+select @@last_plan_from_cache;
+set @a='1';
+execute st using @a;
+execute st using @a;
+select @@last_plan_from_cache;
+
+
+# TestIssue43405
+drop table if exists t;
+create table t (a int);
+insert into t values (1), (2), (3), (4);
+prepare st from 'select * from t where a!=? and a in (?, ?, ?)';
+set @a=1, @b=2, @c=3, @d=4;
+--enable_warnings
+execute st using @a, @a, @a, @a;
+execute st using @a, @a, @b, @c;
+execute st using @a, @b, @c, @d;
+--disable_warnings
+CREATE TABLE UK_SIGNED_19384 (
+    COL1 decimal(37,4) unsigned DEFAULT NULL COMMENT 'WITH DEFAULT',
+    COL2 varchar(20) COLLATE utf8mb4_bin DEFAULT NULL,
+    COL4 datetime DEFAULT NULL,
+    COL3 bigint DEFAULT NULL,
+    COL5 float DEFAULT NULL,
+    UNIQUE KEY UK_COL1 (COL1)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+INSERT INTO UK_SIGNED_19384 VALUES
+  (729024465529090.5423,'劗驻胭毤橰亀讁陶ĉ突錌ͳ河碡祁聓兕锻觰俆','4075-07-11 12:02:57',6021562653572886552,1.93349e38),
+  (492790234219503.0846,'硴皡箒嫹璞玚囑蚂身囈軔獰髴囥慍廂頚禌浖蕐','1193-09-27 12:13:40',1836453747944153034,-2.67982e38),
+  (471841432147994.4981,'豻貐裝濂婝蒙蘦镢県蟎髓蓼窘搴熾臐哥递泒執','1618-01-24 05:06:44',6669616052974883820,9.38232e37);
+prepare stmt from 'select/*+ tidb_inlj(t1) */ t1.col1 from UK_SIGNED_19384 t1 join UK_SIGNED_19384 t2 on t1.col1 = t2.col1 where t1. col1 != ? and t2. col1 in (?, ?, ?)';
+set @a=999999999999999999999999999999999.9999, @b=999999999999999999999999999999999.9999, @c=999999999999999999999999999999999.9999, @d=999999999999999999999999999999999.9999;
+--sorted_result
+execute stmt using @a,@b,@c,@d;
+set @a=895769331208356.9029, @b=471841432147994.4981, @c=729024465529090.5423, @d=492790234219503.0846;
+--sorted_result
+execute stmt using @a,@b,@c,@d;
+
+
+# TestIssue40296
+create database test_40296;
+use test_40296;
+CREATE TABLE IDT_MULTI15880STROBJSTROBJ (
+  COL1 enum('aa','bb','cc','dd','ff','gg','kk','ll','mm','ee') DEFAULT NULL,
+  COL2 decimal(20,0) DEFAULT NULL,
+  COL3 date DEFAULT NULL,
+  KEY U_M_COL4 (COL1,COL2),
+  KEY U_M_COL5 (COL3,COL2));
+insert into IDT_MULTI15880STROBJSTROBJ values("ee", -9605492323393070105, "0850-03-15");
+set session tidb_enable_non_prepared_plan_cache=on;
+select * from IDT_MULTI15880STROBJSTROBJ where col1 in ("dd", "dd") or col2 = 9923875910817805958 or col3 = "9994-11-11";
+select * from IDT_MULTI15880STROBJSTROBJ where col1 in ("aa", "aa") or col2 = -9605492323393070105 or col3 = "0005-06-22";
+select @@last_plan_from_cache;
+use planner__core__plan_cache
+
+
+# TestIssue43522
+CREATE TABLE UK_SIGNED_19385 (
+  COL1 decimal(37,4) unsigned DEFAULT '101.0000' COMMENT 'WITH DEFAULT',
+  COL2 varchar(20) DEFAULT NULL,
+  COL4 datetime DEFAULT NULL,
+  COL3 bigint(20) DEFAULT NULL,
+  COL5 float DEFAULT NULL,
+  UNIQUE KEY UK_COL1 (COL1) /*!80000 INVISIBLE */);
+INSERT INTO UK_SIGNED_19385 VALUES (999999999999999999999999999999999.9999,'苊檷鞤寰抿逿詸叟艟俆錟什姂庋鴪鎅枀礰扚匝','8618-02-11 03:30:03',7016504421081900731,2.77465e38);
+select * from UK_SIGNED_19385 where col1 = 999999999999999999999999999999999.9999 and
+    col1 * 999999999999999999999999999999999.9999 between 999999999999999999999999999999999.9999 and
+    999999999999999999999999999999999.9999;
+
+
+# TestIssue43520
+CREATE TABLE IDT_20290 (
+  COL1 mediumtext DEFAULT NULL,
+  COL2 decimal(52,7) DEFAULT NULL,
+  COL3 datetime DEFAULT NULL,
+  KEY U_M_COL (COL1(10),COL2,COL3) /*!80000 INVISIBLE */);
+INSERT INTO IDT_20290 VALUES
+  ('',210255309400.4264137,'4273-04-17 17:26:51'),
+  (NULL,952470120213.2538798,'7087-08-19 21:38:49'),
+  ('俦',486763966102.1656494,'8846-06-12 12:02:13'),
+  ('憁',610644171405.5953911,'2529-07-19 17:24:49'),
+  ('顜',-359717183823.5275069,'2599-04-01 00:12:08'),
+  ('塼',466512908211.1135111,'1477-10-20 07:14:51'),
+  ('宻',-564216096745.0427987,'7071-11-20 13:38:24'),
+  ('網',-483373421083.4724254,'2910-02-19 18:29:17'),
+  ('顥',164020607693.9988781,'2820-10-12 17:38:44'),
+  ('谪',25949740494.3937876,'6527-05-30 22:58:37');
+-- error 1690
+select * from IDT_20290 where col2 * 049015787697063065230692384394107598316198958.1850509 >= 659971401668884663953087553591534913868320924.5040396 and col2 = 869042976700631943559871054704914143535627349.9659934;
+
+
+# TestIssue14875
+drop table if exists t;
+create table t(a varchar(8) not null, b varchar(8) not null);
+insert into t values('1','1');
+prepare stmt from "select count(1) from t t1, t t2 where t1.a = t2.a and t2.b = '1' and t2.b = ?";
+set @a = '1';
+execute stmt using @a;
+set @a = '2';
+execute stmt using @a;
+prepare stmt from "select count(1) from t t1, t t2 where t1.a = t2.a and t1.a > ?";
+set @a = '1';
+execute stmt using @a;
+set @a = '0';
+execute stmt using @a;
+
+
+# TestIssue14871
+drop table if exists t;
+create table t(a varchar(8), b varchar(8));
+insert into t values('1','1');
+prepare stmt from "select count(1) from t t1 left join t t2 on t1.a = t2.a where t2.b = ? and t2.b = ?";
+set @p0 = '1', @p1 = '2';
+execute stmt using @p0, @p1;
+set @p0 = '1', @p1 = '1';
+execute stmt using @p0, @p1;
+
+
+# TestNonPreparedPlanCacheDMLHints
+drop table if exists t;
+create table t (a int);
+set @@tidb_enable_non_prepared_plan_cache=1;
+set @@tidb_enable_non_prepared_plan_cache_for_dml=1;
+insert into t values (1);
+insert into t values (1);
+select @@last_plan_from_cache;
+update t set a=1;
+update t set a=1;
+select @@last_plan_from_cache;
+delete from t where a=1;
+delete from t where a=1;
+select @@last_plan_from_cache;
+insert /*+ ignore_plan_cache() */ into t values (1);
+insert /*+ ignore_plan_cache() */ into t values (1);
+select @@last_plan_from_cache;
+update /*+ ignore_plan_cache() */ t set a=1;
+update /*+ ignore_plan_cache() */ t set a=1;
+select @@last_plan_from_cache;
+delete /*+ ignore_plan_cache() */ from t where a=1;
+delete /*+ ignore_plan_cache() */ from t where a=1;
+select @@last_plan_from_cache;
+insert into t values (1);
+select @@last_plan_from_cache;
+update t set a=1;
+select @@last_plan_from_cache;
+delete from t where a=1;
+select @@last_plan_from_cache;
+set @@tidb_enable_non_prepared_plan_cache=DEFAULT;
+set @@tidb_enable_non_prepared_plan_cache_for_dml=DEFAULT;
+
+
+# TestNonPreparedPlanCacheJSONFilter
+drop table if exists t;
+create table t(a int, b json);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a<1;
+select * from t where a<2;
+select @@last_plan_from_cache;
+select * from t where b<1;
+select * from t where b<2;
+select @@last_plan_from_cache;
+select b from t where a<1;
+select b from t where a<2;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheEnumFilter
+drop table if exists t;
+create table t(a int, b enum('1', '2', '3'));
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a<1;
+select * from t where a<2;
+select @@last_plan_from_cache;
+select * from t where b='1';
+select * from t where b='2';
+select @@last_plan_from_cache;
+select b from t where a<1;
+select b from t where a<2;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheDateFormat
+drop table if exists t1;
+set tidb_enable_non_prepared_plan_cache=1;
+create table t1 (s1 char(20) character set latin1);
+insert into t1 values (date_format('2004-02-02','%M'));
+select * from t1;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheNullValue
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+select * from t where a=2;
+select @@last_plan_from_cache;
+select * from t where a=null;
+select @@last_plan_from_cache;
+select * from t where a=2;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheInListChange
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a in (1, 2, 3);
+select * from t where a in (2, 3, 4);
+select @@last_plan_from_cache;
+select * from t where a in (2, 3, 4, 5);
+select @@last_plan_from_cache;
+select * from t where a in (1, 2, 3, 4);
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheMemoryTable
+set tidb_enable_non_prepared_plan_cache=1;
+select data_type from INFORMATION_SCHEMA.columns where table_name = 'v';
+select data_type from INFORMATION_SCHEMA.columns where table_name = 'v';
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheTooManyConsts
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198);
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198);
+select @@last_plan_from_cache;
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199);
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199);
+select @@last_plan_from_cache;
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200);
+select * from t where a in (0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200);
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheSchemaChange
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+select * from t where a=1;
+select @@last_plan_from_cache;
+alter table t add index idx_a(a);
+select * from t where a=1;
+select @@last_plan_from_cache;
+select * from t where a=1;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedCacheWithPreparedCache
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+prepare st from 'select * from t where a=1';
+execute st;
+execute st;
+select @@last_plan_from_cache;
+select * from t where a=1;
+select @@last_plan_from_cache;
+select * from t where a=1;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheSwitch
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+select * from t where a=1;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=0;
+select * from t where a=1;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheSwitch2
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=0;
+set tidb_enable_prepared_plan_cache=0;
+select * from t where a<1;
+select * from t where a<2;
+select @@last_plan_from_cache;
+prepare st from 'select * from t where a<?';
+set @a=1;
+execute st using @a;
+set @a=2;
+execute st using @a;
+select @@last_plan_from_cache;
+drop table t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=0;
+set tidb_enable_prepared_plan_cache=1;
+select * from t where a<1;
+select * from t where a<2;
+select @@last_plan_from_cache;
+prepare st from 'select * from t where a<?';
+set @a=1;
+execute st using @a;
+set @a=2;
+execute st using @a;
+select @@last_plan_from_cache;
+drop table t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+set tidb_enable_prepared_plan_cache=0;
+select * from t where a<1;
+select * from t where a<2;
+select @@last_plan_from_cache;
+prepare st from 'select * from t where a<?';
+set @a=1;
+execute st using @a;
+set @a=2;
+execute st using @a;
+select @@last_plan_from_cache;
+drop table t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+set tidb_enable_prepared_plan_cache=1;
+select * from t where a<1;
+select * from t where a<2;
+select @@last_plan_from_cache;
+prepare st from 'select * from t where a<?';
+set @a=1;
+execute st using @a;
+set @a=2;
+execute st using @a;
+select @@last_plan_from_cache;
+drop table t;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheUnknownSchema
+drop table if exists tt;
+create table tt(a char(2) primary key, b char(2));
+set tidb_enable_non_prepared_plan_cache=1;
+-- error 1051
+select tt.* from tt tmp where a='aa';
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheReason
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+explain format = 'plan_cache' select * from t where a=1;
+explain format = 'plan_cache' select * from t where a=1;
+select @@last_plan_from_cache;
+--enable_warnings
+explain format = 'plan_cache' select * from (select * from t) tx;
+--disable_warnings
+set tidb_enable_non_prepared_plan_cache=0;
+--enable_warnings
+explain format = 'plan_cache' select * from t where a+1=1;
+explain format = 'plan_cache' select * from t t1, t t2;
+explain format = 'plan_cache' select * from t where a in (select a from t);
+--disable_warnings
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheSysSchema
+set tidb_enable_non_prepared_plan_cache=1;
+--enable_warnings
+explain format='plan_cache' select address from PERFORMANCE_SCHEMA.tikv_profile_cpu;
+use PERFORMANCE_SCHEMA;
+explain format='plan_cache' select address from tikv_profile_cpu;
+--disable_warnings
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+use planner__core__plan_cache;
+
+# TestNonPreparedPlanCacheSQLMode
+drop table if exists t;
+create table t(a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+select * from t where a=1;
+select @@last_plan_from_cache;
+set @@sql_mode='';
+select * from t where a=1;
+select @@last_plan_from_cache;
+select * from t where a=1;
+select @@last_plan_from_cache;
+set @@sql_mode=DEFAULT;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestPreparedPlanCacheLargePlan
+drop table if exists t;
+create table t(a int, b int, c varchar(2048));
+prepare st from 'select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b';
+execute st;
+execute st;
+select @@last_plan_from_cache;
+prepare st from 'select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b union all select * from t, t t1 where t1.c=space(2048) and t.c=space(2048) and t.a=t1.b';
+execute st;
+execute st;
+select @@last_plan_from_cache;
+set tidb_plan_cache_max_plan_size=1073741824;
+execute st;
+execute st;
+select @@last_plan_from_cache;
+
+
+# TestPreparedPlanCacheLongInList
+drop table if exists t;
+create table t(a int, b int);
+prepare st_199 from 'select * from t where a in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198)';
+execute st_199;
+execute st_199;
+select @@last_plan_from_cache;
+prepare st_201 from 'select * from t where a in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,197,198,199,200)';
+execute st_201;
+execute st_201;
+select @@last_plan_from_cache;
+prepare st_99_100 from 'select * from t where a in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98) and b in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99)';
+execute st_99_100;
+execute st_99_100;
+select @@last_plan_from_cache;
+prepare st_100_101 from 'select * from t where a in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99) and b in (0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100)';
+execute st_100_101;
+execute st_100_101;
+select @@last_plan_from_cache;
+
+
+# TestPreparedPlanCacheStats
+drop table if exists t;
+create table t(a int);
+insert into t values (2);
+prepare st from 'select * from t where a=?';
+set @a=1;
+execute st using @a;
+execute st using @a;
+select @@last_plan_from_cache;
+analyze table t;
+set tidb_plan_cache_invalidation_on_fresh_stats = 0;
+execute st using @a;
+select @@last_plan_from_cache;
+set tidb_plan_cache_invalidation_on_fresh_stats = 1;
+execute st using @a;
+select @@last_plan_from_cache;
+execute st using @a;
+select @@last_plan_from_cache;
+set tidb_plan_cache_invalidation_on_fresh_stats = DEFAULT;
+
+
+# TestNonPreparedPlanCacheStats
+drop table if exists t;
+create table t(a int);
+insert into t values (2);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+select * from t where a=1;
+select @@last_plan_from_cache;
+analyze table t;
+select * from t where a=1;
+select @@last_plan_from_cache;
+select * from t where a=1;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheHints
+drop table if exists t;
+create table t(a int, index(a));
+set tidb_enable_non_prepared_plan_cache=1;
+select /*+ use_index(t, a) */ * from t where a=1;
+select /*+ use_index(t, a) */ * from t where a=1;
+select @@last_plan_from_cache;
+select * from t where a=1;
+select * from t where a=1;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheParamInit
+drop table if exists tx;
+create table tx(a double, b int);
+set tidb_enable_non_prepared_plan_cache=1;
+insert into tx values (3.0, 3);
+select json_object('k', a) = json_object('k', b) from tx;
+select json_object('k', a) = json_object('k', b) from tx;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheBinding
+drop table if exists t;
+create table t(a int, index(a));
+set tidb_enable_non_prepared_plan_cache=1;
+create binding for select * from t where a=1 using select /*+ use_index(t, a) */ * from t where a=1;
+select * from t where a=1;
+select * from t where a=1;
+select @@last_plan_from_cache;
+drop binding for select * from t where a=1;
+select * from t where a=1;
+select * from t where a=1;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheFastPointGet
+drop table if exists t;
+create table t (a int primary key, b int, unique key(b));
+set tidb_enable_non_prepared_plan_cache=1;
+explain format='brief' select a from t where a in (1, 2);
+select a from t where a in (1, 2);
+select a from t where a in (1, 2);
+select @@last_plan_from_cache;
+explain format='brief' select b from t where b = 1;
+select b from t where b = 1;
+select b from t where b = 1;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheSetOperations
+drop table if exists t;
+create table t (a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t union select * from t;
+select * from t union select * from t;
+select @@last_plan_from_cache;
+select * from t union distinct select * from t;
+select * from t union distinct select * from t;
+select @@last_plan_from_cache;
+select * from t union all select * from t;
+select * from t union all select * from t;
+select @@last_plan_from_cache;
+select * from t except select * from t;
+select * from t except select * from t;
+select @@last_plan_from_cache;
+select * from t intersect select * from t;
+select * from t intersect select * from t;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheSpecialTables
+drop table if exists t;
+create table t (a int);
+create definer='root'@'localhost' view t_v as select * from t;
+create table t_p (a int) partition by hash(a) partitions 4;
+create temporary table t_t (a int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t_v;
+select * from t_v;
+select @@last_plan_from_cache;
+select * from t_p;
+select * from t_p;
+select @@last_plan_from_cache;
+select * from t_t;
+select * from t_t;
+select @@last_plan_from_cache;
+with t_cte as (select * from t) select * from t_cte;
+with t_cte as (select * from t) select * from t_cte;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanParameterType
+drop table if exists t;
+create table t (a int, key(a));
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+select * from t where a=1;
+select @@last_plan_from_cache;
+select * from t where a=1.1;
+select @@last_plan_from_cache;
+--enable_warnings
+explain format = 'plan_cache' select * from t where a=1.1;
+--disable_warnings
+select * from t where a='1';
+select @@last_plan_from_cache;
+--enable_warnings
+explain format = 'plan_cache' select * from t where a='1';
+--disable_warnings
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestIssue43852
+drop table if exists t6;
+create table t6 (a date, b date, key(a));
+insert into t6 values ('2023-01-21', '2023-01-05');
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t6 where a in (2015, '8');
+select * from t6 where a in (2009, '2023-01-21');
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheSelectLimit
+drop table if exists t;
+create table t(a int, index(a));
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a=1;
+select * from t where a=1;
+select @@last_plan_from_cache;
+set @@session.sql_select_limit=1;
+select * from t where a=1;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set @@session.sql_select_limit=DEFAULT;
+
+
+# TestIssue41626
+drop table if exists t;
+create table t (a year);
+insert into t values (2000);
+prepare st from 'select * from t where a<?';
+set @a=12;
+--enable_warnings
+execute st using @a;
+--disable_warnings
+
+
+# TestInsertStmtHint
+drop table if exists t;
+create table t (a int);
+prepare st from 'insert into t values (1)';
+execute st;
+execute st;
+select @@last_plan_from_cache;
+prepare st from 'insert into t select * from t';
+execute st;
+execute st;
+select @@last_plan_from_cache;
+prepare st from 'insert /*+ ignore_plan_cache() */ into t select * from t';
+execute st;
+execute st;
+select @@last_plan_from_cache;
+
+
+# TestLongInsertStmt
+drop table if exists t;
+create table t (a int);
+prepare inert200 from 'insert into t values (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1)';
+execute inert200;
+execute inert200;
+select @@last_plan_from_cache;
+--enable_warnings;
+prepare inert201 from 'insert into t values (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1), (1)';
+--disable_warnings;
+execute inert201;
+execute inert201;
+select @@last_plan_from_cache;
+
+
+# TestIssue38710
+drop table if exists UK_NO_PRECISION_19392;
+CREATE TABLE `UK_NO_PRECISION_19392` (
+  `COL1` bit(1) DEFAULT NULL,
+  `COL2` varchar(20) COLLATE utf8mb4_bin DEFAULT NULL,
+  `COL4` datetime DEFAULT NULL,
+  `COL3` bigint DEFAULT NULL,
+  `COL5` float DEFAULT NULL,
+  UNIQUE KEY `UK_COL1` (`COL1`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+INSERT INTO `UK_NO_PRECISION_19392` VALUES (0x00,'缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈','9294-12-26 06:50:40',-3088380202191555887,-3.33294e38),(NULL,'仲膩蕦圓猴洠飌镂喵疎偌嫺荂踖Ƕ藨蜿諪軁笞','1746-08-30 18:04:04',-4016793239832666288,-2.52633e38),(0x01,'冑溜畁脊乤纊繳蟥哅稐奺躁悼貘飗昹槐速玃沮','1272-01-19 23:03:27',-8014797887128775012,1.48868e38);
+;
+prepare stmt from 'select * from UK_NO_PRECISION_19392 where col1 between ? and ? or col3 = ? or col2 in (?, ?, ?);';
+set @a=0x01, @b=0x01, @c=-3088380202191555887, @d="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @e="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @f="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈";
+execute stmt using @a,@b,@c,@d,@e,@f;
+set @a=NULL, @b=NULL, @c=-4016793239832666288, @d="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @e="仲膩蕦圓猴洠飌镂喵疎偌嫺荂踖Ƕ藨蜿諪軁笞", @f="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈";
+execute stmt using @a,@b,@c,@d,@e,@f;
+select @@last_plan_from_cache;
+execute stmt using @a,@b,@c,@d,@e,@f;
+select @@last_plan_from_cache;
+set @a=0x01, @b=0x01, @c=-3088380202191555887, @d="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @e="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈", @f="缎馗惫砲兣肬憵急鳸嫅稩邏蠧鄂艘腯灩專妴粈";
+execute stmt using @a,@b,@c,@d,@e,@f;
+select @@last_plan_from_cache;
+
+
+# TestPlanCacheDiagInfo
+drop table if exists t;
+create table t (a int, b int, key(a), key(b));
+--enable_warnings
+prepare stmt from 'select /*+ ignore_plan_cache() */ * from t';
+prepare stmt from 'select * from t order by ?';
+prepare stmt from 'select * from t where a=?';
+set @a='123';
+execute stmt using @a;
+prepare stmt from 'select * from t where a=? and a=?';
+set @a=1, @b=1;
+execute stmt using @a, @b;
+--disable_warnings
+
+
+# TestIssue40225
+drop table if exists t;
+create table t (a int, key(a));
+prepare st from 'select * from t where a<?';
+set @a='1';
+--enable_warnings
+execute st using @a;
+--disable_warnings
+create binding for select * from t where a<1 using select /*+ ignore_plan_cache() */ * from t where a<1;
+--enable_warnings
+execute st using @a;
+--disable_warnings
+prepare st from 'select * from t where a>?';
+set @a=1;
+execute st using @a;
+execute st using @a;
+select @@last_plan_from_cache;
+create binding for select * from t where a>1 using select /*+ ignore_plan_cache() */ * from t where a>1;
+execute st using @a;
+select @@last_plan_from_cache;
+execute st using @a;
+select @@last_plan_from_binding;
+
+
+# TestIssue38335
+CREATE TABLE PK_LP9463 (
+  COL1 mediumint NOT NULL DEFAULT '77' COMMENT 'NUMERIC PK',
+  COL2 varchar(20) COLLATE utf8mb4_bin DEFAULT NULL,
+  COL4 datetime DEFAULT NULL,
+  COL3 bigint DEFAULT NULL,
+  COL5 float DEFAULT NULL,
+  PRIMARY KEY (COL1));
+
+INSERT INTO PK_LP9463 VALUES (-7415279,'笚綷想摻癫梒偆荈湩窐曋繾鏫蘌憬稁渣½隨苆','1001-11-02 05:11:33',-3745331437675076296,-3.21618e38),
+(-7153863,'鯷氤衡椻闍饑堀鱟垩啵緬氂哨笂序鉲秼摀巽茊','6800-06-20 23:39:12',-7871155140266310321,-3.04829e38),
+(77,'娥藨潰眤徕菗柢礥蕶浠嶲憅榩椻鍙鑜堋ᛀ暵氎','4473-09-13 01:18:59',4076508026242316746,-1.9525e38),
+(16614,'阖旕雐盬皪豧篣哙舄糗悄蟊鯴瞶珧赺潴嶽簤彉','2745-12-29 00:29:06',-4242415439257105874,2.71063e37);
+prepare stmt from 'SELECT *, rank() OVER (PARTITION BY col2 ORDER BY COL1) FROM PK_LP9463 WHERE col1 != ? AND col1 < ?';
+set @a=-8414766051197, @b=-8388608;
+--sorted_result
+execute stmt using @a,@b;
+set @a=16614, @b=16614;
+--sorted_result
+execute stmt using @a,@b;
+select @@last_plan_from_cache;
+--sorted_result
+SELECT *, rank() OVER (PARTITION BY col2 ORDER BY COL1) FROM PK_LP9463 WHERE col1 != 16614 and col1 < 16614;
+
+
+# TestIssue41032
+CREATE TABLE PK_SIGNED_10087 (
+	 COL1 mediumint(8) unsigned NOT NULL,
+	 COL2 varchar(20) DEFAULT NULL,
+	 COL4 datetime DEFAULT NULL,
+	 COL3 bigint(20) DEFAULT NULL,
+	 COL5 float DEFAULT NULL,
+	 PRIMARY KEY (COL1) );
+insert into PK_SIGNED_10087 values(0, "痥腜蟿鮤枓欜喧檕澙姭袐裄钭僇剕焍哓閲疁櫘", "0017-11-14 05:40:55", -4504684261333179273, 7.97449e37);
+prepare stmt from 'SELECT/*+ HASH_JOIN(t1, t2) */ t2.* FROM PK_SIGNED_10087 t1 JOIN PK_SIGNED_10087 t2 ON t1.col1 = t2.col1 WHERE t2.col1 >= ? AND t1.col1 >= ?;';
+set @a=0, @b=0;
+--sorted_result
+execute stmt using @a,@b;
+set @a=8950167, @b=16305982;
+execute stmt using @a,@b;
+select @@last_plan_from_cache;
+
+
+# TestSetPlanCacheLimitSwitch
+select @@session.tidb_enable_plan_cache_for_param_limit;
+select @@global.tidb_enable_plan_cache_for_param_limit;
+set @@session.tidb_enable_plan_cache_for_param_limit = OFF;
+select @@session.tidb_enable_plan_cache_for_param_limit;
+set @@session.tidb_enable_plan_cache_for_param_limit = 1;
+select @@session.tidb_enable_plan_cache_for_param_limit;
+set @@global.tidb_enable_plan_cache_for_param_limit = off;
+select @@global.tidb_enable_plan_cache_for_param_limit;
+set @@global.tidb_enable_plan_cache_for_param_limit = ON;
+select @@global.tidb_enable_plan_cache_for_param_limit;
+-- error 1231
+set @@global.tidb_enable_plan_cache_for_param_limit = '';
+-- error 1231
+set @@global.tidb_enable_plan_cache_for_param_limit = 11;
+-- error 1231
+set @@global.tidb_enable_plan_cache_for_param_limit = enabled;
+-- error 1231
+set @@global.tidb_enable_plan_cache_for_param_limit = disabled;
+-- error 1231
+set @@global.tidb_enable_plan_cache_for_param_limit = open;
+set @@global.tidb_enable_plan_cache_for_param_limit = DEFAULT;
+
+
+# TestPlanCacheLimitSwitchEffective
+drop table if exists t;
+create table t(a int, key(a));
+set @@session.tidb_enable_plan_cache_for_param_limit = OFF;
+prepare stmt from 'select * from t limit ?';
+show warnings;
+set @a = 1;
+execute stmt using @a;
+execute stmt using @a;
+select @@last_plan_from_cache;
+deallocate prepare stmt;
+set @@session.tidb_enable_plan_cache_for_param_limit = ON;
+prepare stmt from 'select * from t limit ?';
+set @@session.tidb_enable_plan_cache_for_param_limit = OFF;
+set @a = 1;
+execute stmt using @a;
+execute stmt using @a;
+select @@last_plan_from_cache;
+execute stmt using @a;
+show warnings;
+deallocate prepare stmt;
+set @@session.tidb_enable_plan_cache_for_param_limit = ON;
+prepare stmt from 'select * from t limit ?';
+set @a = 1;
+execute stmt using @a;
+execute stmt using @a;
+select @@last_plan_from_cache;
+set @@session.tidb_enable_plan_cache_for_param_limit = OFF;
+set @a = 1;
+execute stmt using @a;
+execute stmt using @a;
+select @@last_plan_from_cache;
+deallocate prepare stmt;
+
+
+# TestPlanCacheMemoryTable
+drop table if exists t1, t2;
+create table t1 (a int);
+create table t2 (a int, b int);
+prepare st from 'select count(*) from information_schema.COLUMNS where table_name=? and TABLE_SCHEMA = \'planner__core__plan_cache\'';
+set @a='t1';
+execute st using @a;
+set @a='t2';
+execute st using @a;
+select @@last_plan_from_cache;
+
+
+# TestSetPlanCacheSubquerySwitch
+select @@session.tidb_enable_plan_cache_for_subquery;
+select @@global.tidb_enable_plan_cache_for_subquery;
+set @@session.tidb_enable_plan_cache_for_subquery = OFF;
+select @@session.tidb_enable_plan_cache_for_subquery;
+set @@session.tidb_enable_plan_cache_for_subquery = 1;
+select @@session.tidb_enable_plan_cache_for_subquery;
+set @@global.tidb_enable_plan_cache_for_subquery = off;
+select @@global.tidb_enable_plan_cache_for_subquery;
+set @@global.tidb_enable_plan_cache_for_subquery = ON;
+select @@global.tidb_enable_plan_cache_for_subquery;
+-- error 1231
+set @@global.tidb_enable_plan_cache_for_subquery = '';
+-- error 1231
+set @@global.tidb_enable_plan_cache_for_subquery = 11;
+-- error 1231
+set @@global.tidb_enable_plan_cache_for_subquery = enabled;
+-- error 1231
+set @@global.tidb_enable_plan_cache_for_subquery = disabled;
+-- error 1231
+set @@global.tidb_enable_plan_cache_for_subquery = open;
+set @@global.tidb_enable_plan_cache_for_subquery = DEFAULT;
+
+
+# TestPlanCacheSubQuerySwitchEffective
+drop table if exists t, s;
+create table t(a int, key(a));
+create table s(a int, key(a));
+set @@session.tidb_enable_plan_cache_for_subquery = OFF;
+--enable_warnings
+prepare stmt from 'select * from t where a in (select a from s)';
+--disable_warnings
+execute stmt;
+execute stmt;
+select @@last_plan_from_cache;
+deallocate prepare stmt;
+set @@session.tidb_enable_plan_cache_for_subquery = ON;
+prepare stmt from 'select * from t where a in (select a from s)';
+set @@session.tidb_enable_plan_cache_for_subquery = OFF;
+execute stmt;
+execute stmt;
+select @@last_plan_from_cache;
+--enable_warnings
+execute stmt;
+--disable_warnings
+deallocate prepare stmt;
+set @@session.tidb_enable_plan_cache_for_subquery = ON;
+prepare stmt from 'select * from t where a in (select a from s)';
+execute stmt;
+execute stmt;
+select @@last_plan_from_cache;
+set @@session.tidb_enable_plan_cache_for_subquery = OFF;
+execute stmt;
+execute stmt;
+select @@last_plan_from_cache;
+deallocate prepare stmt;
+set @@session.tidb_enable_plan_cache_for_subquery = DEFAULT;
+
+
+# TestIssue41828
+CREATE TABLE IDT_MULTI15840STROBJSTROBJ (
+  COL1 enum('aa', 'zzz') DEFAULT NULL,
+  COL2 smallint(6) DEFAULT NULL,
+  COL3 date DEFAULT NULL,
+  KEY U_M_COL4 (COL1,COL2),
+  KEY U_M_COL5 (COL3,COL2));
+INSERT INTO IDT_MULTI15840STROBJSTROBJ VALUES ('zzz',1047,'6115-06-05'),('zzz',-23221,'4250-09-03'),('zzz',27138,'1568-07-30'),('zzz',-30903,'6753-08-21'),('zzz',-26875,'6117-10-10');
+prepare stmt from 'select * from IDT_MULTI15840STROBJSTROBJ where col3 <=> ? or col1 in (?, ?, ?) and col2 not between ? and ?';
+set @a="0051-12-23", @b="none", @c="none", @d="none", @e=-32757, @f=-32757;
+execute stmt using @a,@b,@c,@d,@e,@f;
+show warnings;
+set @a="9795-01-10", @b="aa", @c="aa", @d="aa", @e=31928, @f=31928;
+execute stmt using @a,@b,@c,@d,@e,@f;
+
+
+# TestNonPreparedPlanCacheDMLSwitch
+drop table if exists t;
+create table t (a int);
+set tidb_enable_non_prepared_plan_cache=1;
+set tidb_enable_non_prepared_plan_cache_for_dml=0;
+insert into t values (1);
+insert into t values (1);
+select @@last_plan_from_cache;
+select a from t where a < 2 for update;
+select a from t where a < 2 for update;
+select @@last_plan_from_cache;
+set @x:=1;
+set @x:=1;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache_for_dml=1;
+insert into t values (1);
+insert into t values (1);
+select @@last_plan_from_cache;
+select a from t where a < 2 for update;
+select a from t where a < 2 for update;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache_for_dml=DEFAULT;
+
+
+# TestNonPreparedPlanCacheUnderscoreCharset
+drop table if exists t;
+create table t (a varchar(10), b int);
+set tidb_enable_non_prepared_plan_cache=1;
+select * from t where a = _utf8'a';
+select * from t where a = _utf8'a';
+select @@last_plan_from_cache;
+select * from t where a = _latin1'a';
+select * from t where a = _latin1'a';
+select @@last_plan_from_cache;
+select * from t where a = N'a';
+select * from t where a = N'a';
+select @@last_plan_from_cache;
+select * from t where a = 'a';
+select * from t where a = 'a';
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheGroupBy
+drop table if exists t;
+create table t(a int, b int, index(a));
+set tidb_enable_non_prepared_plan_cache=1;
+select sum(b) from t group by a+1;
+select sum(b) from t group by a+1;
+select @@last_plan_from_cache;
+select sum(b) from t group by a+2;
+select @@last_plan_from_cache;
+select sum(b) from t group by a+2;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheExplain
+drop table if exists t;
+create table t(a int, index(a));
+set tidb_enable_non_prepared_plan_cache=1;
+explain format = 'row' select * from t;
+select @@last_plan_from_cache;
+explain format = 'brief' select * from t;
+select @@last_plan_from_cache;
+explain format = 'dot' select * from t;
+select @@last_plan_from_cache;
+explain format = 'tidb_json' select * from t;
+select @@last_plan_from_cache;
+explain format = 'verbose' select * from t;
+select @@last_plan_from_cache;
+explain format = 'cost_trace' select * from t;
+select @@last_plan_from_cache;
+--enable_warnings
+explain format = 'row' select * from t limit 1;
+explain format = 'brief' select * from t limit 1;
+explain format = 'dot' select * from t limit 1;
+explain format = 'tidb_json' select * from t limit 1;
+explain format = 'verbose' select * from t limit 1;
+explain format = 'cost_trace' select * from t limit 1;
+--disable_warnings
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestIssue42150
+drop table if exists t, t1, t2;
+CREATE TABLE `t1` (`c_int` int(11) NOT NULL,  `c_str` varchar(40) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,  `c_datetime` datetime DEFAULT NULL,  `c_timestamp` timestamp NULL DEFAULT NULL,  `c_double` double DEFAULT NULL,  `c_decimal` decimal(12,6) DEFAULT NULL,  `c_enum` enum('blue','green','red','yellow','white','orange','purple') NOT NULL,  PRIMARY KEY (`c_int`,`c_enum`) /*T![clustered_index] CLUSTERED */,  KEY `c_decimal` (`c_decimal`),  UNIQUE KEY `c_datetime` (`c_datetime`),  UNIQUE KEY `c_timestamp` (`c_timestamp`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+CREATE TABLE `t2` (`c_int` int(11) NOT NULL,  `c_str` varchar(40) CHARACTER SET utf8 COLLATE utf8_bin DEFAULT NULL,  `c_datetime` datetime DEFAULT NULL,  `c_timestamp` timestamp NULL DEFAULT NULL,  `c_double` double DEFAULT NULL,  `c_decimal` decimal(12,6) DEFAULT NULL,  `c_enum` enum('blue','green','red','yellow','white','orange','purple') NOT NULL,  PRIMARY KEY (`c_int`,`c_enum`) /*T![clustered_index] CLUSTERED */,  KEY `c_decimal` (`c_decimal`),  UNIQUE KEY `c_datetime` (`c_datetime`),  UNIQUE KEY `c_timestamp` (`c_timestamp`)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
+create table t (a int, b int, primary key(a), key(b));
+set @v0 = 'nice hellman', @v1 = 'flamboyant booth', @v2 = 'quirky brahmagupta';
+prepare stmt16 from 'select * from t1 where c_enum in (select c_enum from t2 where t1.c_str in (?, ?, ?))';
+execute stmt16 using @v0, @v1, @v2;
+execute stmt16 using @v0, @v1, @v2;
+select @@last_plan_from_cache;
+prepare stmt from 'select c_enum from t1';
+execute stmt;
+execute stmt;
+select @@last_plan_from_cache;
+prepare st from 'select a from t use index(b)';
+execute st;
+execute st;
+select @@last_plan_from_cache;
+
+
+# TestNonPreparedPlanCacheDML
+set tidb_enable_non_prepared_plan_cache=1;
+set tidb_enable_non_prepared_plan_cache_for_dml=1;
+drop table if exists t;
+create table t (a int default 0, b int default 0);
+select a from t for update;
+select a from t for update;
+select @@last_plan_from_cache;
+select a from t where a<10 for update;
+select a from t where a<10 for update;
+select @@last_plan_from_cache;
+insert into t values (1, 1);
+insert into t values (1, 1);
+select @@last_plan_from_cache;
+insert into t (a, b) values (1, 1);
+insert into t (a, b) values (1, 1);
+select @@last_plan_from_cache;
+insert into t (a) values (1);
+insert into t (a) values (1);
+select @@last_plan_from_cache;
+insert into t (b) values (1);
+insert into t (b) values (1);
+select @@last_plan_from_cache;
+insert into t select * from t;
+insert into t select * from t;
+select @@last_plan_from_cache;
+insert into t select * from t where a>10;
+insert into t select * from t where a>10;
+select @@last_plan_from_cache;
+update t set a=1;
+update t set a=1;
+select @@last_plan_from_cache;
+update t set a=1 where a>10;
+update t set a=1 where a>10;
+select @@last_plan_from_cache;
+update t set a=1, b=1;
+update t set a=1, b=1;
+select @@last_plan_from_cache;
+update t set a=a+1 where a>10;
+update t set a=a+1 where a>10;
+select @@last_plan_from_cache;
+delete from t;
+delete from t;
+select @@last_plan_from_cache;
+delete from t where a>10;
+delete from t where a>10;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache_for_dml=DEFAULT;
+
+
+# TestNonPreparedPlanCacheMultiStmt
+set tidb_enable_non_prepared_plan_cache=1;
+set tidb_enable_non_prepared_plan_cache_for_dml=1;
+drop table if exists t;
+create table t (a int);
+update t set a=1 where a<10;
+update t set a=2 where a<12;
+select @@last_plan_from_cache;
+update t set a=1 where a<10; update t set a=2 where a<12;
+update t set a=1 where a<10; update t set a=2 where a<12;
+select @@last_plan_from_cache;
+update t set a=2 where a<12;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set tidb_enable_non_prepared_plan_cache_for_dml=DEFAULT;
+
+
+# TestNonPreparedPlanCacheJoin
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t1, t2, t3, t4;
+create table t1 (a int, b int, c int);
+create table t2 (a int, b int, c int);
+create table t3 (a int, b int, c int);
+create table t4 (a int, x int);
+select * from t1, t2 where t1.a=t2.a and t1.b<10;
+select * from t1, t2 where t1.a=t2.a and t1.b<10;
+select @@last_plan_from_cache;
+select * from t1, t2;
+select * from t1, t2;
+select @@last_plan_from_cache;
+select * from t1, t2 where t1.a<t2.a and t2.c=10;
+select * from t1, t2 where t1.a<t2.a and t2.c=10;
+select @@last_plan_from_cache;
+select * from t1 tx, t1 ty;
+select * from t1 tx, t1 ty;
+select @@last_plan_from_cache;
+select * from t1 tx, t1 ty where tx.a=ty.a;
+select * from t1 tx, t1 ty where tx.a=ty.a;
+select @@last_plan_from_cache;
+select * from t1 inner join t2;
+select * from t1 inner join t2;
+select @@last_plan_from_cache;
+select * from t1 inner join t2 on t1.a=t2.a;
+select * from t1 inner join t2 on t1.a=t2.a;
+select @@last_plan_from_cache;
+select * from t1 inner join t2 on t1.a=t2.a and t2.c<10;
+select * from t1 inner join t2 on t1.a=t2.a and t2.c<10;
+select @@last_plan_from_cache;
+select * from t1 left join t2 on t1.a=t2.a;
+select * from t1 left join t2 on t1.a=t2.a;
+select @@last_plan_from_cache;
+select * from t1 left join t2 on t1.a=t2.a and t2.c<10;
+select * from t1 left join t2 on t1.a=t2.a and t2.c<10;
+select @@last_plan_from_cache;
+select * from t1, t4 where t1.a=t4.a and t4.x=10;
+select * from t1, t4 where t1.a=t4.a and t4.x=10;
+select @@last_plan_from_cache;
+select * from t1 inner join t4 on t1.a=t4.a and t4.x=10;
+select * from t1 inner join t4 on t1.a=t4.a and t4.x=10;
+select @@last_plan_from_cache;
+select * from t1, t2, t3;
+select * from t1, t2, t3;
+select @@last_plan_from_cache;
+select * from t1, t2, t1 tx;
+select * from t1, t2, t1 tx;
+select @@last_plan_from_cache;
+select * from t1, (select * from t2) t2;
+select * from t1, (select * from t2) t2;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheAggSort
+set tidb_enable_non_prepared_plan_cache=1;
+set sql_mode='';
+drop table if exists t;
+create table t (a int, b int);
+select count(*) from t;
+select count(*) from t;
+select @@last_plan_from_cache;
+select max(b) from t group by a;
+select max(b) from t group by a;
+select @@last_plan_from_cache;
+select count(*), a from t group by a, b;
+select count(*), a from t group by a, b;
+select @@last_plan_from_cache;
+select a from t order by a;
+select a from t order by a;
+select @@last_plan_from_cache;
+select a, b, a+b from t order by a, b;
+select a, b, a+b from t order by a, b;
+select @@last_plan_from_cache;
+select sum(b) from t group by a+1;
+select sum(b) from t group by a+1;
+select @@last_plan_from_cache;
+select count(*) from t group by a+b;
+select count(*) from t group by a+b;
+select @@last_plan_from_cache;
+select a, b, count(*) from t group by 1;
+select a, b, count(*) from t group by 1;
+select @@last_plan_from_cache;
+select a, b, count(*) from t group by 1, a;
+select a, b, count(*) from t group by 1, a;
+select @@last_plan_from_cache;
+select a, b, count(*) from t group by a having b < 1;
+select a, b, count(*) from t group by a having b < 1;
+select @@last_plan_from_cache;
+select a from t order by a+1;
+select a from t order by a+1;
+select @@last_plan_from_cache;
+select a, b, a+b from t order by a + b;
+select a, b, a+b from t order by a + b;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+set sql_mode=DEFAULT;
+
+
+# TestNonPreparedPlanCacheOrder
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t;
+create table t (a int, b int);
+select a from t order by a;
+select a from t order by a;
+select @@last_plan_from_cache;
+select a from t order by a asc;
+select a from t order by a asc;
+select @@last_plan_from_cache;
+select a from t order by a desc;
+select a from t order by a desc;
+select @@last_plan_from_cache;
+select a from t order by a,b desc;
+select a from t order by a,b desc;
+select @@last_plan_from_cache;
+select a from t order by 1;
+select a from t order by 1;
+select @@last_plan_from_cache;
+select a from t order by a, 1;
+select a from t order by a, 1;
+select @@last_plan_from_cache;
+select a from t order by a+1,b-2;
+select a from t order by a+1,b-2;
+select @@last_plan_from_cache;
+select a from t order by a desc, b+2;
+select a from t order by a desc, b+2;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestNonPreparedPlanCacheUnicode
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t1;
+create table t1 (a varchar(10) character set latin1, b int);
+insert into t1 values ('a',1);
+select concat(a, if(b>10, N'x', N'y')) from t1;
+select concat(a, if(b>10, N'x', N'y')) from t1;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestIssue45253
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t1;
+CREATE TABLE t1 (c1 INT);
+INSERT INTO t1 VALUES (1);
+SELECT c1 FROM t1 WHERE TO_BASE64('牵');
+SELECT c1 FROM t1 WHERE TO_BASE64('牵');
+select @@last_plan_from_cache;
+SELECT c1 FROM t1 WHERE TO_BASE64('哈');
+select @@last_plan_from_cache;
+SELECT c1 FROM t1 WHERE TO_BASE64('');
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestIssue45378
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t1;
+CREATE TABLE t1(c1 INT);
+INSERT INTO t1 VALUES (1);
+SELECT c1 FROM t1 WHERE UNHEX(2038330881);
+SELECT c1 FROM t1 WHERE UNHEX(2038330881);
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+
+
+# TestIssue46159
+drop table if exists t;
+create table t (a varchar(10), key(a(5)));
+prepare st from 'select a from t use index(a) where a=?';
+set @a='a';
+execute st using @a;
+--enable_warnings
+execute st using @a;
+--disable_warnings
+
+
+# TestIssue47008
+set @@time_zone='UTC';
+set @@collation_connection='utf8_general_ci';
+prepare s from 'select DATE_FORMAT("2020-01-01","%W") = "wednesday"';
+--sorted_result
+execute s;
+set @@collation_connection='utf8_bin';
+--sorted_result
+execute s;
+select @@last_plan_from_cache;
+set @@time_zone=DEFAULT;
+set @@collation_connection=DEFAULT;
+
+
+# TestNonPreparedPlanCacheBuiltinFuncs
+set tidb_enable_non_prepared_plan_cache=1;
+drop table if exists t;
+create table t (a int, b varchar(32), c datetime, key(a));
+select * from t where mod(a, 5) < 2;
+select * from t where mod(a, 5) < 2;
+select @@last_plan_from_cache;
+select * from t where c < now();
+select * from t where c < now();
+select @@last_plan_from_cache;
+select date_format(c, '%Y-%m-%d') from t where a < 10;
+select date_format(c, '%Y-%m-%d') from t where a < 10;
+select @@last_plan_from_cache;
+select str_to_date(b, '%Y-%m-%d') from t where a < 10;
+select str_to_date(b, '%Y-%m-%d') from t where a < 10;
+select @@last_plan_from_cache;
+select * from t where a-2 < 20;
+select * from t where a-2 < 20;
+select @@last_plan_from_cache;
+select * from t where a+b > 100;
+select * from t where a+b > 100;
+select @@last_plan_from_cache;
+select * from t where -a > 10;
+select * from t where -a > 10;
+select @@last_plan_from_cache;
+select * from t where a < 1 and b like '%abc%';
+select * from t where a < 1 and b like '%abc%';
+select @@last_plan_from_cache;
+select database() from t;
+select database() from t;
+select @@last_plan_from_cache;
+set tidb_enable_non_prepared_plan_cache=DEFAULT;
+