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parser_test.go
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// Copyright 2015 PingCAP, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// See the License for the specific language governing permissions and
// limitations under the License.
package parser
import (
"fmt"
"runtime"
"strings"
"testing"
"github.com/juju/errors"
. "github.com/pingcap/check"
"github.com/pingcap/tidb/ast"
"github.com/pingcap/tidb/mysql"
"github.com/pingcap/tidb/terror"
"github.com/pingcap/tidb/util/charset"
"github.com/pingcap/tidb/util/testleak"
)
func TestT(t *testing.T) {
CustomVerboseFlag = true
TestingT(t)
}
var _ = Suite(&testParserSuite{})
type testParserSuite struct {
}
func (s *testParserSuite) TestSimple(c *C) {
defer testleak.AfterTest(c)()
parser := New()
reservedKws := []string{
"add", "all", "alter", "analyze", "and", "as", "asc", "between", "bigint",
"binary", "blob", "both", "by", "cascade", "case", "change", "character", "check", "collate",
"column", "constraint", "convert", "create", "cross", "current_date", "current_time",
"current_timestamp", "current_user", "database", "databases", "day_hour", "day_microsecond",
"day_minute", "day_second", "decimal", "default", "delete", "desc", "describe",
"distinct", "distinctRow", "div", "double", "drop", "dual", "else", "enclosed", "escaped",
"exists", "explain", "false", "float", "for", "force", "foreign", "from",
"fulltext", "grant", "group", "having", "hour_microsecond", "hour_minute",
"hour_second", "if", "ignore", "in", "index", "infile", "inner", "insert", "int", "into", "integer",
"interval", "is", "join", "key", "keys", "kill", "leading", "left", "like", "limit", "lines", "load",
"localtime", "localtimestamp", "lock", "longblob", "longtext", "mediumblob", "maxvalue", "mediumint", "mediumtext",
"minute_microsecond", "minute_second", "mod", "not", "no_write_to_binlog", "null", "numeric",
"on", "option", "or", "order", "outer", "partition", "precision", "primary", "procedure", "range", "read", "real",
"references", "regexp", "rename", "repeat", "replace", "revoke", "restrict", "right", "rlike",
"schema", "schemas", "second_microsecond", "select", "set", "show", "smallint",
"starting", "table", "terminated", "then", "tinyblob", "tinyint", "tinytext", "to",
"trailing", "true", "union", "unique", "unlock", "unsigned",
"update", "use", "using", "utc_date", "values", "varbinary", "varchar",
"when", "where", "write", "xor", "year_month", "zerofill",
"generated", "virtual", "stored", "usage",
"delayed", "high_priority", "low_priority",
// TODO: support the following keywords
// "with",
}
for _, kw := range reservedKws {
src := fmt.Sprintf("SELECT * FROM db.%s;", kw)
_, err := parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil, Commentf("source %s", src))
src = fmt.Sprintf("SELECT * FROM %s.desc", kw)
_, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil, Commentf("source %s", src))
src = fmt.Sprintf("SELECT t.%s FROM t", kw)
_, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil, Commentf("source %s", src))
}
// Testcase for unreserved keywords
unreservedKws := []string{
"auto_increment", "after", "begin", "bit", "bool", "boolean", "charset", "columns", "commit",
"date", "datediff", "datetime", "deallocate", "do", "from_days", "end", "engine", "engines", "execute", "first", "full",
"local", "names", "offset", "password", "prepare", "quick", "rollback", "session", "signed",
"start", "global", "tables", "tablespace", "text", "time", "timestamp", "tidb", "transaction", "truncate", "unknown",
"value", "warnings", "year", "now", "substr", "subpartition", "subpartitions", "substring", "mode", "any", "some", "user", "identified",
"collation", "comment", "avg_row_length", "checksum", "compression", "connection", "key_block_size",
"max_rows", "min_rows", "national", "row", "quarter", "escape", "grants", "status", "fields", "triggers",
"delay_key_write", "isolation", "partitions", "repeatable", "committed", "uncommitted", "only", "serializable", "level",
"curtime", "variables", "dayname", "version", "btree", "hash", "row_format", "dynamic", "fixed", "compressed",
"compact", "redundant", "sql_no_cache sql_no_cache", "sql_cache sql_cache", "action", "round",
"enable", "disable", "reverse", "space", "privileges", "get_lock", "release_lock", "sleep", "no", "greatest", "least",
"binlog", "hex", "unhex", "function", "indexes", "from_unixtime", "processlist", "events", "less", "than", "timediff",
"ln", "log", "log2", "log10", "timestampdiff", "pi", "quote", "none", "super", "shared", "exclusive",
"always", "stats", "stats_meta", "stats_histogram", "stats_buckets", "stats_healthy", "tidb_version", "replication", "slave", "client",
"max_connections_per_hour", "max_queries_per_hour", "max_updates_per_hour", "max_user_connections", "event", "reload", "routine", "temporary",
}
for _, kw := range unreservedKws {
src := fmt.Sprintf("SELECT %s FROM tbl;", kw)
_, err := parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil, Commentf("source %s", src))
}
// Testcase for prepared statement
src := "SELECT id+?, id+? from t;"
_, err := parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
// Testcase for -- Comment and unary -- operator
src = "CREATE TABLE foo (a SMALLINT UNSIGNED, b INT UNSIGNED); -- foo\nSelect --1 from foo;"
stmts, err := parser.Parse(src, "", "")
c.Assert(err, IsNil)
c.Assert(stmts, HasLen, 2)
// Testcase for /*! xx */
// See http://dev.mysql.com/doc/refman/5.7/en/comments.html
// Fix: https://github.com/pingcap/tidb/issues/971
src = "/*!40101 SET character_set_client = utf8 */;"
stmts, err = parser.Parse(src, "", "")
c.Assert(err, IsNil)
c.Assert(stmts, HasLen, 1)
stmt := stmts[0]
_, ok := stmt.(*ast.SetStmt)
c.Assert(ok, IsTrue)
// for issue #2017
src = "insert into blobtable (a) values ('/*! truncated */');"
stmt, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
is, ok := stmt.(*ast.InsertStmt)
c.Assert(ok, IsTrue)
c.Assert(is.Lists, HasLen, 1)
c.Assert(is.Lists[0], HasLen, 1)
c.Assert(is.Lists[0][0].GetDatum().GetString(), Equals, "/*! truncated */")
// Testcase for CONVERT(expr,type)
src = "SELECT CONVERT('111', SIGNED);"
st, err := parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
ss, ok := st.(*ast.SelectStmt)
c.Assert(ok, IsTrue)
c.Assert(len(ss.Fields.Fields), Equals, 1)
cv, ok := ss.Fields.Fields[0].Expr.(*ast.FuncCastExpr)
c.Assert(ok, IsTrue)
c.Assert(cv.FunctionType, Equals, ast.CastConvertFunction)
// for query start with comment
srcs := []string{
"/* some comments */ SELECT CONVERT('111', SIGNED) ;",
"/* some comments */ /*comment*/ SELECT CONVERT('111', SIGNED) ;",
"SELECT /*comment*/ CONVERT('111', SIGNED) ;",
"SELECT CONVERT('111', /*comment*/ SIGNED) ;",
"SELECT CONVERT('111', SIGNED) /*comment*/;",
}
for _, src := range srcs {
st, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
ss, ok = st.(*ast.SelectStmt)
c.Assert(ok, IsTrue)
}
// for issue #961
src = "create table t (c int key);"
st, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
cs, ok := st.(*ast.CreateTableStmt)
c.Assert(ok, IsTrue)
c.Assert(cs.Cols, HasLen, 1)
c.Assert(cs.Cols[0].Options, HasLen, 1)
c.Assert(cs.Cols[0].Options[0].Tp, Equals, ast.ColumnOptionPrimaryKey)
// for issue #4497
src = "create table t1(a NVARCHAR(100));"
_, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
// for issue 2803
src = "use quote;"
_, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
// issue #4354
src = "select b'';"
_, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
src = "select B'';"
_, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
// src = "select 0b'';"
// _, err = parser.ParseOneStmt(src, "", "")
// c.Assert(err, NotNil)
// for #4909, support numericType `signed` filedOpt.
src = "CREATE TABLE t(_sms smallint signed, _smu smallint unsigned);"
_, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
// for #7371, support NATIONAL CHARACTER
// reference link: https://dev.mysql.com/doc/refman/5.7/en/charset-national.html
src = "CREATE TABLE t(c1 NATIONAL CHARACTER(10));"
_, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
src = `CREATE TABLE t(a tinyint signed,
b smallint signed,
c mediumint signed,
d int signed,
e int1 signed,
f int2 signed,
g int3 signed,
h int4 signed,
i int8 signed,
j integer signed,
k bigint signed,
l bool signed,
m boolean signed
);`
st, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
ct, ok := st.(*ast.CreateTableStmt)
c.Assert(ok, IsTrue)
for _, col := range ct.Cols {
c.Assert(col.Tp.Flag&mysql.UnsignedFlag, Equals, uint(0))
}
// for issue #4006
src = `insert into tb(v) (select v from tb);`
_, err = parser.ParseOneStmt(src, "", "")
c.Assert(err, IsNil)
}
type testCase struct {
src string
ok bool
}
type testErrMsgCase struct {
src string
ok bool
err error
}
func (s *testParserSuite) RunTest(c *C, table []testCase) {
parser := New()
for _, t := range table {
_, err := parser.Parse(t.src, "", "")
comment := Commentf("source %v", t.src)
if t.ok {
c.Assert(err, IsNil, comment)
} else {
c.Assert(err, NotNil, comment)
}
}
}
func (s *testParserSuite) RunErrMsgTest(c *C, table []testErrMsgCase) {
parser := New()
for _, t := range table {
_, err := parser.Parse(t.src, "", "")
comment := Commentf("source %v", t.src)
if t.err != nil {
c.Assert(terror.ErrorEqual(err, t.err), IsTrue, comment)
} else {
c.Assert(err, IsNil, comment)
}
}
}
func (s *testParserSuite) TestDMLStmt(c *C) {
defer testleak.AfterTest(c)()
table := []testCase{
{"", true},
{";", true},
{"INSERT INTO foo VALUES (1234)", true},
{"INSERT INTO foo VALUES (1234, 5678)", true},
{"INSERT INTO t1 (SELECT * FROM t2)", true},
// 15
{"INSERT INTO foo VALUES (1 || 2)", true},
{"INSERT INTO foo VALUES (1 | 2)", true},
{"INSERT INTO foo VALUES (false || true)", true},
{"INSERT INTO foo VALUES (bar(5678))", true},
// 20
{"INSERT INTO foo VALUES ()", true},
{"SELECT * FROM t", true},
{"SELECT * FROM t AS u", true},
// 25
{"SELECT * FROM t, v", true},
{"SELECT * FROM t AS u, v", true},
{"SELECT * FROM t, v AS w", true},
{"SELECT * FROM t AS u, v AS w", true},
{"SELECT * FROM foo, bar, foo", true},
// 30
{"SELECT DISTINCTS * FROM t", false},
{"SELECT DISTINCT * FROM t", true},
{"SELECT DISTINCTROW * FROM t", true},
{"SELECT ALL * FROM t", true},
{"SELECT DISTINCT ALL * FROM t", false},
{"SELECT DISTINCTROW ALL * FROM t", false},
{"INSERT INTO foo (a) VALUES (42)", true},
{"INSERT INTO foo (a,) VALUES (42,)", false},
// 35
{"INSERT INTO foo (a,b) VALUES (42,314)", true},
{"INSERT INTO foo (a,b,) VALUES (42,314)", false},
{"INSERT INTO foo (a,b,) VALUES (42,314,)", false},
{"INSERT INTO foo () VALUES ()", true},
{"INSERT INTO foo VALUE ()", true},
// for issue 2402
{"INSERT INTO tt VALUES (01000001783);", true},
{"INSERT INTO tt VALUES (default);", true},
{"REPLACE INTO foo VALUES (1 || 2)", true},
{"REPLACE INTO foo VALUES (1 | 2)", true},
{"REPLACE INTO foo VALUES (false || true)", true},
{"REPLACE INTO foo VALUES (bar(5678))", true},
{"REPLACE INTO foo VALUES ()", true},
{"REPLACE INTO foo (a,b) VALUES (42,314)", true},
{"REPLACE INTO foo (a,b,) VALUES (42,314)", false},
{"REPLACE INTO foo (a,b,) VALUES (42,314,)", false},
{"REPLACE INTO foo () VALUES ()", true},
{"REPLACE INTO foo VALUE ()", true},
// 40
{`SELECT stuff.id
FROM stuff
WHERE stuff.value >= ALL (SELECT stuff.value
FROM stuff)`, true},
{"BEGIN", true},
{"START TRANSACTION", true},
// 45
{"COMMIT", true},
{"ROLLBACK", true},
{`BEGIN;
INSERT INTO foo VALUES (42, 3.14);
INSERT INTO foo VALUES (-1, 2.78);
COMMIT;`, true},
{`BEGIN;
INSERT INTO tmp SELECT * from bar;
SELECT * from tmp;
ROLLBACK;`, true},
// qualified select
{"SELECT a.b.c FROM t", true},
{"SELECT a.b.*.c FROM t", false},
{"SELECT a.b.* FROM t", true},
{"SELECT a FROM t", true},
{"SELECT a.b.c.d FROM t", false},
// do statement
{"DO 1", true},
{"DO 1 from t", false},
// load data
{"load data infile '/tmp/t.csv' into table t", true},
{"load data infile '/tmp/t.csv' into table t character set utf8", true},
{"load data infile '/tmp/t.csv' into table t fields terminated by 'ab'", true},
{"load data infile '/tmp/t.csv' into table t columns terminated by 'ab'", true},
{"load data infile '/tmp/t.csv' into table t fields terminated by 'ab' enclosed by 'b'", true},
{"load data infile '/tmp/t.csv' into table t fields terminated by 'ab' enclosed by 'b' escaped by '*'", true},
{"load data infile '/tmp/t.csv' into table t lines starting by 'ab'", true},
{"load data infile '/tmp/t.csv' into table t lines starting by 'ab' terminated by 'xy'", true},
{"load data infile '/tmp/t.csv' into table t fields terminated by 'ab' lines terminated by 'xy'", true},
{"load data infile '/tmp/t.csv' into table t terminated by 'xy' fields terminated by 'ab'", false},
{"load data local infile '/tmp/t.csv' into table t", true},
{"load data local infile '/tmp/t.csv' into table t fields terminated by 'ab'", true},
{"load data local infile '/tmp/t.csv' into table t columns terminated by 'ab'", true},
{"load data local infile '/tmp/t.csv' into table t fields terminated by 'ab' enclosed by 'b'", true},
{"load data local infile '/tmp/t.csv' into table t fields terminated by 'ab' enclosed by 'b' escaped by '*'", true},
{"load data local infile '/tmp/t.csv' into table t character set utf8 fields terminated by 'ab' enclosed by 'b' escaped by '*'", true},
{"load data local infile '/tmp/t.csv' into table t lines starting by 'ab'", true},
{"load data local infile '/tmp/t.csv' into table t lines starting by 'ab' terminated by 'xy'", true},
{"load data local infile '/tmp/t.csv' into table t fields terminated by 'ab' lines terminated by 'xy'", true},
{"load data local infile '/tmp/t.csv' into table t terminated by 'xy' fields terminated by 'ab'", false},
{"load data infile '/tmp/t.csv' into table t (a,b)", true},
{"load data local infile '/tmp/t.csv' into table t (a,b)", true},
{"load data local infile '/tmp/t.csv' into table t fields terminated by 'ab' (a,b)", true},
{"load data local infile '/tmp/t.csv' into table t columns terminated by 'ab' (a,b)", true},
{"load data local infile '/tmp/t.csv' into table t fields terminated by 'ab' enclosed by 'b' (a,b)", true},
{"load data local infile '/tmp/t.csv' into table t fields terminated by 'ab' enclosed by 'b' escaped by '*' (a,b)", true},
{"load data local infile '/tmp/t.csv' into table t character set utf8 fields terminated by 'ab' enclosed by 'b' escaped by '*' (a,b)", true},
{"load data local infile '/tmp/t.csv' into table t lines starting by 'ab' (a,b)", true},
{"load data local infile '/tmp/t.csv' into table t lines starting by 'ab' terminated by 'xy' (a,b)", true},
{"load data local infile '/tmp/t.csv' into table t character set utf8 fields terminated by 'ab' lines terminated by 'xy' (a,b)", true},
{"load data local infile '/tmp/t.csv' into table t fields terminated by 'ab' lines terminated by 'xy' (a,b)", true},
{"load data local infile '/tmp/t.csv' into table t (a,b) fields terminated by 'ab'", false},
// select for update
{"SELECT * from t for update", true},
{"SELECT * from t lock in share mode", true},
// from join
{"SELECT * from t1, t2, t3", true},
{"select * from t1 join t2 left join t3 on t2.id = t3.id", true},
{"select * from t1 right join t2 on t1.id = t2.id left join t3 on t3.id = t2.id", true},
{"select * from t1 right join t2 on t1.id = t2.id left join t3", false},
{"select * from t1 join t2 left join t3 using (id)", true},
{"select * from t1 right join t2 using (id) left join t3 using (id)", true},
{"select * from t1 right join t2 using (id) left join t3", false},
{"select * from t1 natural join t2", true},
{"select * from t1 natural right join t2", true},
{"select * from t1 natural left outer join t2", true},
{"select * from t1 natural inner join t2", false},
{"select * from t1 natural cross join t2", false},
// for straight_join
{"select * from t1 straight_join t2 on t1.id = t2.id", true},
{"select straight_join * from t1 join t2 on t1.id = t2.id", true},
{"select straight_join * from t1 left join t2 on t1.id = t2.id", true},
{"select straight_join * from t1 right join t2 on t1.id = t2.id", true},
{"select straight_join * from t1 straight_join t2 on t1.id = t2.id", true},
// for "USE INDEX" in delete statement
{"DELETE FROM t1 USE INDEX(idx_a) WHERE t1.id=1;", true},
{"DELETE t1, t2 FROM t1 USE INDEX(idx_a) JOIN t2 WHERE t1.id=t2.id;", true},
{"DELETE t1, t2 FROM t1 USE INDEX(idx_a) JOIN t2 USE INDEX(idx_a) WHERE t1.id=t2.id;", true},
// for admin
{"admin show ddl;", true},
{"admin show ddl jobs;", true},
{"admin show ddl jobs 20;", true},
{"admin show ddl jobs -1;", false},
{"admin show ddl job queries 1", true},
{"admin show ddl job queries 1, 2, 3, 4", true},
{"admin check table t1, t2;", true},
{"admin check index tableName idxName;", true},
{"admin check index tableName idxName (1, 2), (4, 5);", true},
{"admin checksum table t1, t2;", true},
{"admin cancel ddl jobs 1", true},
{"admin cancel ddl jobs 1, 2", true},
{"admin recover index t1 idx_a", true},
{"admin cleanup index t1 idx_a", true},
// for on duplicate key update
{"INSERT INTO t (a,b,c) VALUES (1,2,3),(4,5,6) ON DUPLICATE KEY UPDATE c=VALUES(a)+VALUES(b);", true},
{"INSERT IGNORE INTO t (a,b,c) VALUES (1,2,3),(4,5,6) ON DUPLICATE KEY UPDATE c=VALUES(a)+VALUES(b);", true},
// for delete statement
{"DELETE t1, t2 FROM t1 INNER JOIN t2 INNER JOIN t3 WHERE t1.id=t2.id AND t2.id=t3.id;", true},
{"DELETE FROM t1, t2 USING t1 INNER JOIN t2 INNER JOIN t3 WHERE t1.id=t2.id AND t2.id=t3.id;", true},
{"DELETE t1, t2 FROM t1 INNER JOIN t2 INNER JOIN t3 WHERE t1.id=t2.id AND t2.id=t3.id limit 10;", false},
{"DELETE /*+ TiDB_INLJ(t1, t2) */ t1, t2 from t1, t2 where t1.id=t2.id;", true},
{"DELETE /*+ TiDB_HJ(t1, t2) */ t1, t2 from t1, t2 where t1.id=t2.id", true},
// for update statement
{"UPDATE t SET id = id + 1 ORDER BY id DESC;", true},
{"UPDATE items,month SET items.price=month.price WHERE items.id=month.id;", true},
{"UPDATE items,month SET items.price=month.price WHERE items.id=month.id LIMIT 10;", false},
{"UPDATE user T0 LEFT OUTER JOIN user_profile T1 ON T1.id = T0.profile_id SET T0.profile_id = 1 WHERE T0.profile_id IN (1);", true},
{"UPDATE /*+ TiDB_INLJ(t1, t2) */ t1, t2 set t1.profile_id = 1, t2.profile_id = 1 where ta.a=t.ba", true},
{"UPDATE /*+ TiDB_SMJ(t1, t2) */ t1, t2 set t1.profile_id = 1, t2.profile_id = 1 where ta.a=t.ba", true},
// for select with where clause
{"SELECT * FROM t WHERE 1 = 1", true},
// for dual
{"select 1 from dual", true},
{"select 1 from dual limit 1", true},
{"select 1 where exists (select 2)", false},
{"select 1 from dual where not exists (select 2)", true},
{"select 1 as a from dual order by a", true},
{"select 1 as a from dual where 1 < any (select 2) order by a", true},
{"select 1 order by 1", true},
// for https://github.com/pingcap/tidb/issues/320
{`(select 1);`, true},
// for https://github.com/pingcap/tidb/issues/1050
{`SELECT /*!40001 SQL_NO_CACHE */ * FROM test WHERE 1 limit 0, 2000;`, true},
{`ANALYZE TABLE t`, true},
// for comments
{`/** 20180417 **/ show databases;`, true},
{`/* 20180417 **/ show databases;`, true},
{`/** 20180417 */ show databases;`, true},
{`/** 20180417 ******/ show databases;`, true},
// for Binlog stmt
{`BINLOG '
BxSFVw8JAAAA8QAAAPUAAAAAAAQANS41LjQ0LU1hcmlhREItbG9nAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAEzgNAAgAEgAEBAQEEgAA2QAEGggAAAAICAgCAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AAAAAAAAAAAA5gm5Mg==
'/*!*/;`, true},
}
s.RunTest(c, table)
}
func (s *testParserSuite) TestDBAStmt(c *C) {
defer testleak.AfterTest(c)()
table := []testCase{
// for SHOW statement
{"SHOW VARIABLES LIKE 'character_set_results'", true},
{"SHOW GLOBAL VARIABLES LIKE 'character_set_results'", true},
{"SHOW SESSION VARIABLES LIKE 'character_set_results'", true},
{"SHOW VARIABLES", true},
{"SHOW GLOBAL VARIABLES", true},
{"SHOW GLOBAL VARIABLES WHERE Variable_name = 'autocommit'", true},
{"SHOW STATUS", true},
{"SHOW GLOBAL STATUS", true},
{"SHOW SESSION STATUS", true},
{`SHOW STATUS LIKE 'Up%'`, true},
{`SHOW STATUS WHERE Variable_name LIKE 'Up%'`, true},
{`SHOW FULL TABLES FROM icar_qa LIKE play_evolutions`, true},
{`SHOW FULL TABLES WHERE Table_Type != 'VIEW'`, true},
{`SHOW GRANTS`, true},
{`SHOW GRANTS FOR 'test'@'localhost'`, true},
{`SHOW GRANTS FOR current_user()`, true},
{`SHOW GRANTS FOR current_user`, true},
{`SHOW COLUMNS FROM City;`, true},
{`SHOW COLUMNS FROM tv189.1_t_1_x;`, true},
{`SHOW FIELDS FROM City;`, true},
{`SHOW TRIGGERS LIKE 't'`, true},
{`SHOW DATABASES LIKE 'test2'`, true},
{`SHOW PROCEDURE STATUS WHERE Db='test'`, true},
{`SHOW FUNCTION STATUS WHERE Db='test'`, true},
{`SHOW INDEX FROM t;`, true},
{`SHOW KEYS FROM t;`, true},
{`SHOW INDEX IN t;`, true},
{`SHOW KEYS IN t;`, true},
{`SHOW INDEXES IN t where true;`, true},
{`SHOW KEYS FROM t FROM test where true;`, true},
{`SHOW EVENTS FROM test_db WHERE definer = 'current_user'`, true},
{`SHOW PLUGINS`, true},
{`SHOW PROFILES`, true},
{`SHOW MASTER STATUS`, true},
{`SHOW PRIVILEGES`, true},
// for show character set
{"show character set;", true},
{"show charset", true},
// for show collation
{"show collation", true},
{`show collation like 'utf8%'`, true},
{"show collation where Charset = 'utf8' and Collation = 'utf8_bin'", true},
// for show full columns
{"show columns in t;", true},
{"show full columns in t;", true},
// for show create table
{"show create table test.t", true},
{"show create table t", true},
// for show stats_meta.
{"show stats_meta", true},
{"show stats_meta where table_name = 't'", true},
// for show stats_histograms
{"show stats_histograms", true},
{"show stats_histograms where col_name = 'a'", true},
// for show stats_buckets
{"show stats_buckets", true},
{"show stats_buckets where col_name = 'a'", true},
// for show stats_healthy.
{"show stats_healthy", true},
{"show stats_healthy where table_name = 't'", true},
// for load stats
{"load stats '/tmp/stats.json'", true},
// set
// user defined
{"SET @ = 1", true},
{"SET @' ' = 1", true},
{"SET @! = 1", false},
{"SET @1 = 1", true},
{"SET @a = 1", true},
{"SET @b := 1", true},
{"SET @.c = 1", true},
{"SET @_d = 1", true},
{"SET @_e._$. = 1", true},
{"SET @~f = 1", false},
{"SET @`g,` = 1", true},
// session system variables
{"SET SESSION autocommit = 1", true},
{"SET @@session.autocommit = 1", true},
{"SET @@SESSION.autocommit = 1", true},
{"SET @@GLOBAL.GTID_PURGED = '123'", true},
{"SET @MYSQLDUMP_TEMP_LOG_BIN = @@SESSION.SQL_LOG_BIN", true},
{"SET LOCAL autocommit = 1", true},
{"SET @@local.autocommit = 1", true},
{"SET @@autocommit = 1", true},
{"SET autocommit = 1", true},
// global system variables
{"SET GLOBAL autocommit = 1", true},
{"SET @@global.autocommit = 1", true},
// set default value
{"SET @@global.autocommit = default", true},
{"SET @@session.autocommit = default", true},
// SET CHARACTER SET
{"SET CHARACTER SET utf8mb4;", true},
{"SET CHARACTER SET 'utf8mb4';", true},
// set password
{"SET PASSWORD = 'password';", true},
{"SET PASSWORD FOR 'root'@'localhost' = 'password';", true},
// SET TRANSACTION Syntax
{"SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ", true},
{"SET GLOBAL TRANSACTION ISOLATION LEVEL REPEATABLE READ", true},
{"SET SESSION TRANSACTION READ WRITE", true},
{"SET SESSION TRANSACTION READ ONLY", true},
{"SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED", true},
{"SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED", true},
{"SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE", true},
{"SET TRANSACTION ISOLATION LEVEL REPEATABLE READ", true},
{"SET TRANSACTION READ WRITE", true},
{"SET TRANSACTION READ ONLY", true},
{"SET TRANSACTION ISOLATION LEVEL READ COMMITTED", true},
{"SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED", true},
{"SET TRANSACTION ISOLATION LEVEL SERIALIZABLE", true},
// for set names
{"set names utf8", true},
{"set names utf8 collate utf8_unicode_ci", true},
{"set names binary", true},
// for set names and set vars
{"set names utf8, @@session.sql_mode=1;", true},
{"set @@session.sql_mode=1, names utf8, charset utf8;", true},
// for FLUSH statement
{"flush no_write_to_binlog tables tbl1 with read lock", true},
{"flush table", true},
{"flush tables", true},
{"flush tables tbl1", true},
{"flush no_write_to_binlog tables tbl1", true},
{"flush local tables tbl1", true},
{"flush table with read lock", true},
{"flush tables tbl1, tbl2, tbl3", true},
{"flush tables tbl1, tbl2, tbl3 with read lock", true},
{"flush privileges", true},
{"flush status", true},
}
s.RunTest(c, table)
}
func (s *testParserSuite) TestFlushTable(c *C) {
parser := New()
stmt, err := parser.Parse("flush local tables tbl1,tbl2 with read lock", "", "")
c.Assert(err, IsNil)
flushTable := stmt[0].(*ast.FlushStmt)
c.Assert(flushTable.Tp, Equals, ast.FlushTables)
c.Assert(flushTable.Tables[0].Name.L, Equals, "tbl1")
c.Assert(flushTable.Tables[1].Name.L, Equals, "tbl2")
c.Assert(flushTable.NoWriteToBinLog, IsTrue)
c.Assert(flushTable.ReadLock, IsTrue)
}
func (s *testParserSuite) TestFlushPrivileges(c *C) {
parser := New()
stmt, err := parser.Parse("flush privileges", "", "")
c.Assert(err, IsNil)
flushPrivilege := stmt[0].(*ast.FlushStmt)
c.Assert(flushPrivilege.Tp, Equals, ast.FlushPrivileges)
}
func (s *testParserSuite) TestExpression(c *C) {
defer testleak.AfterTest(c)()
table := []testCase{
// sign expression
{"SELECT ++1", true},
{"SELECT -*1", false},
{"SELECT -+1", true},
{"SELECT -1", true},
{"SELECT --1", true},
// for string literal
{`select '''a''', """a"""`, true},
{`select ''a''`, false},
{`select ""a""`, false},
{`select '''a''';`, true},
{`select '\'a\'';`, true},
{`select "\"a\"";`, true},
{`select """a""";`, true},
{`select _utf8"string";`, true},
{`select _binary"string";`, true},
{"select N'string'", true},
{"select n'string'", true},
// for comparison
{"select 1 <=> 0, 1 <=> null, 1 = null", true},
// for date literal
{"select date'1989-09-10'", true},
{"select date 19890910", false},
// for time literal
{"select time '00:00:00.111'", true},
{"select time 19890910", false},
// for timestamp literal
{"select timestamp '1989-09-10 11:11:11'", true},
{"select timestamp 19890910", false},
// The ODBC syntax for time/date/timestamp literal.
// See: https://dev.mysql.com/doc/refman/5.7/en/date-and-time-literals.html
{"select {ts '1989-09-10 11:11:11'}", true},
{"select {d '1989-09-10'}", true},
{"select {t '00:00:00.111'}", true},
// If the identifier is not in (t, d, ts), we just ignore it and consider the following expression as the value.
// See: https://dev.mysql.com/doc/refman/5.7/en/expressions.html
{"select {ts123 '1989-09-10 11:11:11'}", true},
{"select {ts123 123}", true},
{"select {ts123 1 xor 1}", true},
}
s.RunTest(c, table)
}
func (s *testParserSuite) TestBuiltin(c *C) {
defer testleak.AfterTest(c)()
table := []testCase{
// for builtin functions
{"SELECT POW(1, 2)", true},
{"SELECT POW(1, 2, 1)", true}, // illegal number of arguments shall pass too
{"SELECT POW(1, 0.5)", true},
{"SELECT POW(1, -1)", true},
{"SELECT POW(-1, 1)", true},
{"SELECT RAND();", true},
{"SELECT RAND(1);", true},
{"SELECT MOD(10, 2);", true},
{"SELECT ROUND(-1.23);", true},
{"SELECT ROUND(1.23, 1);", true},
{"SELECT ROUND(1.23, 1, 1);", true},
{"SELECT CEIL(-1.23);", true},
{"SELECT CEILING(1.23);", true},
{"SELECT FLOOR(-1.23);", true},
{"SELECT LN(1);", true},
{"SELECT LN(1, 2);", true},
{"SELECT LOG(-2);", true},
{"SELECT LOG(2, 65536);", true},
{"SELECT LOG(2, 65536, 1);", true},
{"SELECT LOG2(2);", true},
{"SELECT LOG2(2, 2);", true},
{"SELECT LOG10(10);", true},
{"SELECT LOG10(10, 1);", true},
{"SELECT ABS(10, 1);", true},
{"SELECT ABS(10);", true},
{"SELECT ABS();", true},
{"SELECT CONV(10+'10'+'10'+X'0a',10,10);", true},
{"SELECT CONV();", true},
{"SELECT CRC32('MySQL');", true},
{"SELECT CRC32();", true},
{"SELECT SIGN();", true},
{"SELECT SIGN(0);", true},
{"SELECT SQRT(0);", true},
{"SELECT SQRT();", true},
{"SELECT ACOS();", true},
{"SELECT ACOS(1);", true},
{"SELECT ACOS(1, 2);", true},
{"SELECT ASIN();", true},
{"SELECT ASIN(1);", true},
{"SELECT ASIN(1, 2);", true},
{"SELECT ATAN(0), ATAN(1), ATAN(1, 2);", true},
{"SELECT ATAN2(), ATAN2(1,2);", true},
{"SELECT COS(0);", true},
{"SELECT COS(1);", true},
{"SELECT COS(1, 2);", true},
{"SELECT COT();", true},
{"SELECT COT(1);", true},
{"SELECT COT(1, 2);", true},
{"SELECT DEGREES();", true},
{"SELECT DEGREES(0);", true},
{"SELECT EXP();", true},
{"SELECT EXP(1);", true},
{"SELECT PI();", true},
{"SELECT PI(1);", true},
{"SELECT RADIANS();", true},
{"SELECT RADIANS(1);", true},
{"SELECT SIN();", true},
{"SELECT SIN(1);", true},
{"SELECT TAN(1);", true},
{"SELECT TAN();", true},
{"SELECT TRUNCATE(1.223,1);", true},
{"SELECT TRUNCATE();", true},
{"SELECT SUBSTR('Quadratically',5);", true},
{"SELECT SUBSTR('Quadratically',5, 3);", true},
{"SELECT SUBSTR('Quadratically' FROM 5);", true},
{"SELECT SUBSTR('Quadratically' FROM 5 FOR 3);", true},
{"SELECT SUBSTRING('Quadratically',5);", true},
{"SELECT SUBSTRING('Quadratically',5, 3);", true},
{"SELECT SUBSTRING('Quadratically' FROM 5);", true},
{"SELECT SUBSTRING('Quadratically' FROM 5 FOR 3);", true},
{"SELECT CONVERT('111', SIGNED);", true},
{"SELECT LEAST(), LEAST(1, 2, 3);", true},
{"SELECT INTERVAL(1, 0, 1, 2)", true},
{"SELECT DATE_ADD('2008-01-02', INTERVAL INTERVAL(1, 0, 1) DAY);", true},
// information functions
{"SELECT DATABASE();", true},
{"SELECT SCHEMA();", true},
{"SELECT USER();", true},
{"SELECT USER(1);", true},
{"SELECT CURRENT_USER();", true},
{"SELECT CURRENT_USER;", true},
{"SELECT CONNECTION_ID();", true},
{"SELECT VERSION();", true},
{"SELECT BENCHMARK(1000000, AES_ENCRYPT('text',UNHEX('F3229A0B371ED2D9441B830D21A390C3')));", true},
{"SELECT BENCHMARK(AES_ENCRYPT('text',UNHEX('F3229A0B371ED2D9441B830D21A390C3')));", true},
{"SELECT CHARSET('abc');", true},
{"SELECT COERCIBILITY('abc');", true},
{"SELECT COERCIBILITY('abc', 'a');", true},
{"SELECT COLLATION('abc');", true},
{"SELECT ROW_COUNT();", true},
{"SELECT SESSION_USER();", true},
{"SELECT SYSTEM_USER();", true},
{"SELECT SUBSTRING_INDEX('www.mysql.com', '.', 2);", true},
{"SELECT SUBSTRING_INDEX('www.mysql.com', '.', -2);", true},
{`SELECT ASCII(), ASCII(""), ASCII("A"), ASCII(1);`, true},
{`SELECT LOWER("A"), UPPER("a")`, true},
{`SELECT LCASE("A"), UCASE("a")`, true},
{`SELECT REPLACE('www.mysql.com', 'w', 'Ww')`, true},
{`SELECT LOCATE('bar', 'foobarbar');`, true},
{`SELECT LOCATE('bar', 'foobarbar', 5);`, true},
{`SELECT tidb_version();`, true},
{`SELECT tidb_is_ddl_owner();`, true},
// for time fsp
{"CREATE TABLE t( c1 TIME(2), c2 DATETIME(2), c3 TIMESTAMP(2) );", true},
// for row
{"select row(1)", false},
{"select row(1, 1,)", false},
{"select (1, 1,)", false},
{"select row(1, 1) > row(1, 1), row(1, 1, 1) > row(1, 1, 1)", true},
{"Select (1, 1) > (1, 1)", true},
{"create table t (row int)", true},
// for cast with charset
{"SELECT *, CAST(data AS CHAR CHARACTER SET utf8) FROM t;", true},
// for cast as JSON
{"SELECT *, CAST(data AS JSON) FROM t;", true},
// for cast as signed int, fix issue #3691.
{"select cast(1 as signed int);", true},
// for last_insert_id
{"SELECT last_insert_id();", true},
{"SELECT last_insert_id(1);", true},
// for binary operator
{"SELECT binary 'a';", true},
// for bit_count
{`SELECT BIT_COUNT(1);`, true},
// select time
{"select current_timestamp", true},
{"select current_timestamp()", true},
{"select current_timestamp(6)", true},
{"select current_timestamp(null)", false},
{"select current_timestamp(-1)", false},
{"select current_timestamp(1.0)", false},
{"select current_timestamp('2')", false},
{"select now()", true},
{"select now(6)", true},
{"select sysdate(), sysdate(6)", true},
{"SELECT time('01:02:03');", true},
{"SELECT TIMEDIFF('2000:01:01 00:00:00', '2000:01:01 00:00:00.000001');", true},
{"SELECT TIMESTAMPDIFF(MONTH,'2003-02-01','2003-05-01');", true},
{"SELECT TIMESTAMPDIFF(YEAR,'2002-05-01','2001-01-01');", true},
{"SELECT TIMESTAMPDIFF(MINUTE,'2003-02-01','2003-05-01 12:05:55');", true},
// select current_time
{"select current_time", true},
{"select current_time()", true},
{"select current_time(6)", true},
{"select current_time(-1)", false},
{"select current_time(1.0)", false},
{"select current_time('1')", false},
{"select current_time(null)", false},
{"select curtime()", true},
{"select curtime(6)", true},
{"select curtime(-1)", false},
{"select curtime(1.0)", false},
{"select curtime('1')", false},
{"select curtime(null)", false},
// select utc_timestamp
{"select utc_timestamp", true},
{"select utc_timestamp()", true},
{"select utc_timestamp(6)", true},
{"select utc_timestamp(-1)", false},
{"select utc_timestamp(1.0)", false},
{"select utc_timestamp('1')", false},
{"select utc_timestamp(null)", false},
// select utc_time
{"select utc_time", true},
{"select utc_time()", true},
{"select utc_time(6)", true},
{"select utc_time(-1)", false},
{"select utc_time(1.0)", false},
{"select utc_time('1')", false},
{"select utc_time(null)", false},
// for microsecond, second, minute, hour
{"SELECT MICROSECOND('2009-12-31 23:59:59.000010');", true},
{"SELECT SECOND('10:05:03');", true},
{"SELECT MINUTE('2008-02-03 10:05:03');", true},
{"SELECT HOUR(), HOUR('10:05:03');", true},
// for date, day, weekday
{"SELECT CURRENT_DATE, CURRENT_DATE(), CURDATE()", true},
{"SELECT CURRENT_DATE, CURRENT_DATE(), CURDATE(1)", false},
{"SELECT DATEDIFF('2003-12-31', '2003-12-30');", true},
{"SELECT DATE('2003-12-31 01:02:03');", true},
{"SELECT DATE();", true},
{"SELECT DATE('2003-12-31 01:02:03', '');", true},
{`SELECT DATE_FORMAT('2003-12-31 01:02:03', '%W %M %Y');`, true},
{"SELECT DAY('2007-02-03');", true},
{"SELECT DAYOFMONTH('2007-02-03');", true},
{"SELECT DAYOFWEEK('2007-02-03');", true},
{"SELECT DAYOFYEAR('2007-02-03');", true},
{"SELECT DAYNAME('2007-02-03');", true},
{"SELECT FROM_DAYS(1423);", true},
{"SELECT WEEKDAY('2007-02-03');", true},
// for utc_date
{"SELECT UTC_DATE, UTC_DATE();", true},
{"SELECT UTC_DATE(), UTC_DATE()+0", true},
// for week, month, year
{"SELECT WEEK();", true},
{"SELECT WEEK('2007-02-03');", true},
{"SELECT WEEK('2007-02-03', 0);", true},
{"SELECT WEEKOFYEAR('2007-02-03');", true},
{"SELECT MONTH('2007-02-03');", true},
{"SELECT MONTHNAME('2007-02-03');", true},
{"SELECT YEAR('2007-02-03');", true},
{"SELECT YEARWEEK('2007-02-03');", true},
{"SELECT YEARWEEK('2007-02-03', 0);", true},
// for ADDTIME, SUBTIME
{"SELECT ADDTIME('01:00:00.999999', '02:00:00.999998');", true},
{"SELECT ADDTIME('02:00:00.999998');", true},
{"SELECT ADDTIME();", true},
{"SELECT SUBTIME('01:00:00.999999', '02:00:00.999998');", true},
// for CONVERT_TZ
{"SELECT CONVERT_TZ();", true},
{"SELECT CONVERT_TZ('2004-01-01 12:00:00','+00:00','+10:00');", true},
{"SELECT CONVERT_TZ('2004-01-01 12:00:00','+00:00','+10:00', '+10:00');", true},
// for GET_FORMAT
{"SELECT GET_FORMAT(DATE, 'USA');", true},
{"SELECT GET_FORMAT(DATETIME, 'USA');", true},
{"SELECT GET_FORMAT(TIME, 'USA');", true},
{"SELECT GET_FORMAT(TIMESTAMP, 'USA');", true},
// for LOCALTIME, LOCALTIMESTAMP
{"SELECT LOCALTIME(), LOCALTIME(1)", true},
{"SELECT LOCALTIMESTAMP(), LOCALTIMESTAMP(2)", true},
// for MAKEDATE, MAKETIME
{"SELECT MAKEDATE(2011,31);", true},
{"SELECT MAKETIME(12,15,30);", true},
{"SELECT MAKEDATE();", true},
{"SELECT MAKETIME();", true},
// for PERIOD_ADD, PERIOD_DIFF
{"SELECT PERIOD_ADD(200801,2)", true},
{"SELECT PERIOD_DIFF(200802,200703)", true},
// for QUARTER
{"SELECT QUARTER('2008-04-01');", true},
// for SEC_TO_TIME
{"SELECT SEC_TO_TIME(2378)", true},
// for TIME_FORMAT
{`SELECT TIME_FORMAT('100:00:00', '%H %k %h %I %l')`, true},
// for TIME_TO_SEC
{"SELECT TIME_TO_SEC('22:23:00')", true},
// for TIMESTAMPADD
{"SELECT TIMESTAMPADD(WEEK,1,'2003-01-02');", true},
// for TO_DAYS, TO_SECONDS
{"SELECT TO_DAYS('2007-10-07')", true},
{"SELECT TO_SECONDS('2009-11-29')", true},
// for LAST_DAY
{"SELECT LAST_DAY('2003-02-05');", true},
// for UTC_TIME
{"SELECT UTC_TIME(), UTC_TIME(1)", true},
// for time extract
{`select extract(microsecond from "2011-11-11 10:10:10.123456")`, true},
{`select extract(second from "2011-11-11 10:10:10.123456")`, true},
{`select extract(minute from "2011-11-11 10:10:10.123456")`, true},
{`select extract(hour from "2011-11-11 10:10:10.123456")`, true},