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planner: supply test cases for param limit in plan cache #40868

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merged 11 commits into from
Feb 1, 2023
Merged

planner: supply test cases for param limit in plan cache #40868

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645a66f
supply
fzzf678 Jan 30, 2023
c6fc20c
Update prepared_test.go
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Update plan_cache_test.go
fzzf678 Jan 30, 2023
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Update plan_cache_test.go
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Update plan_cache_test.go
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Merge branch 'master' into supplyCasesForPCParamLimit
fzzf678 Jan 30, 2023
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Merge branch 'master' into supplyCasesForPCParamLimit
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Merge branch 'master' into supplyCasesForPCParamLimit
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Merge branch 'master' into supplyCasesForPCParamLimit
fzzf678 Feb 1, 2023
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Merge branch 'master' into supplyCasesForPCParamLimit
ti-chi-bot Feb 1, 2023
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Merge branch 'master' into supplyCasesForPCParamLimit
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2 changes: 2 additions & 0 deletions executor/executor_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -2114,6 +2114,8 @@ func TestIncorrectLimitArg(t *testing.T) {

tk.MustGetErrMsg(`execute stmt1 using @a;`, `[planner:1210]Incorrect arguments to LIMIT`)
tk.MustGetErrMsg(`execute stmt2 using @b, @a;`, `[planner:1210]Incorrect arguments to LIMIT`)
tk.MustGetErrMsg(`execute stmt2 using @a, @b;`, `[planner:1210]Incorrect arguments to LIMIT`)
tk.MustGetErrMsg(`execute stmt2 using @a, @a;`, `[planner:1210]Incorrect arguments to LIMIT`)
}

func TestExecutorLimit(t *testing.T) {
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6 changes: 6 additions & 0 deletions executor/seqtest/prepared_test.go
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Expand Up @@ -826,6 +826,12 @@ func TestSetPlanCacheLimitSwitch(t *testing.T) {

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) {
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5 changes: 4 additions & 1 deletion planner/core/plan_cache_test.go
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Expand Up @@ -469,6 +469,8 @@ func TestPlanCacheWithLimit(t *testing.T) {
params []int
}{
{"prepare stmt from 'select * from t limit ?'", []int{1}},
{"prepare stmt from 'select * from t limit 1, ?'", []int{1}},
{"prepare stmt from 'select * from t limit ?, 1'", []int{1}},
{"prepare stmt from 'select * from t limit ?, ?'", []int{1, 2}},
{"prepare stmt from 'delete from t order by a limit ?'", []int{1}},
{"prepare stmt from 'insert into t select * from t order by a desc limit ?'", []int{1}},
Expand All @@ -491,7 +493,8 @@ func TestPlanCacheWithLimit(t *testing.T) {
tk.MustExec("execute stmt using " + strings.Join(using, ", "))
tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("1"))

if idx < 6 {
if idx < 9 {
// none point get plan
tk.MustExec("set @a0 = 6")
tk.MustExec("execute stmt using " + strings.Join(using, ", "))
tk.MustQuery("select @@last_plan_from_cache").Check(testkit.Rows("0"))
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