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This is an automated cherry-pick of pingcap#57803
Signed-off-by: ti-chi-bot <[email protected]>
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103 changes: 103 additions & 0 deletions
103
pkg/statistics/handle/handletest/initstats/load_stats_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| // Copyright 2024 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, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package initstats | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "testing" | ||
|
|
||
| "github.com/pingcap/tidb/pkg/config" | ||
| "github.com/pingcap/tidb/pkg/parser/model" | ||
| "github.com/pingcap/tidb/pkg/statistics/handle" | ||
| "github.com/pingcap/tidb/pkg/statistics/handle/types" | ||
| "github.com/pingcap/tidb/pkg/testkit" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
|
|
||
| func TestConcurrentlyInitStatsWithMemoryLimit(t *testing.T) { | ||
| restore := config.RestoreFunc() | ||
| defer restore() | ||
| config.UpdateGlobal(func(conf *config.Config) { | ||
| conf.Performance.LiteInitStats = false | ||
| conf.Performance.ConcurrentlyInitStats = true | ||
| }) | ||
| handle.IsFullCacheFunc = func(cache types.StatsCache, total uint64) bool { | ||
| return true | ||
| } | ||
| testConcurrentlyInitStats(t) | ||
| } | ||
|
|
||
| func TestConcurrentlyInitStatsWithoutMemoryLimit(t *testing.T) { | ||
| restore := config.RestoreFunc() | ||
| defer restore() | ||
| config.UpdateGlobal(func(conf *config.Config) { | ||
| conf.Performance.LiteInitStats = false | ||
| conf.Performance.ConcurrentlyInitStats = true | ||
| }) | ||
| handle.IsFullCacheFunc = func(cache types.StatsCache, total uint64) bool { | ||
| return false | ||
| } | ||
| testConcurrentlyInitStats(t) | ||
| } | ||
|
|
||
| func testConcurrentlyInitStats(t *testing.T) { | ||
| store, dom := testkit.CreateMockStoreAndDomain(t) | ||
| tk := testkit.NewTestKit(t, store) | ||
| tk.MustExec("use test") | ||
| tk.MustExec("set global tidb_analyze_column_options='ALL'") | ||
| tk.MustExec("create table t1 (a int, b int, c int, primary key(c))") | ||
| tk.MustExec("insert into t1 values (1,1,1),(2,2,2),(3,3,3),(4,4,4),(5,5,5),(6,7,8)") | ||
| tk.MustExec("analyze table t1") | ||
| for i := 2; i < 10; i++ { | ||
| tk.MustExec(fmt.Sprintf("create table t%v (a int, b int, c int, primary key(c))", i)) | ||
| tk.MustExec(fmt.Sprintf("insert into t%v select * from t1", i)) | ||
| tk.MustExec(fmt.Sprintf("analyze table t%v all columns", i)) | ||
| } | ||
| h := dom.StatsHandle() | ||
| is := dom.InfoSchema() | ||
| h.Clear() | ||
| require.Equal(t, h.MemConsumed(), int64(0)) | ||
| require.NoError(t, h.InitStats(context.Background(), is)) | ||
| for i := 1; i < 10; i++ { | ||
| tbl, err := is.TableByName(context.Background(), model.NewCIStr("test"), model.NewCIStr(fmt.Sprintf("t%v", i))) | ||
| require.NoError(t, err) | ||
| stats, ok := h.StatsCache.Get(tbl.Meta().ID) | ||
| require.True(t, ok) | ||
| for _, col := range stats.GetColSlice() { | ||
| require.True(t, col.IsAllEvicted()) | ||
| require.False(t, col.IsFullLoad()) | ||
| } | ||
| } | ||
| for i := 1; i < 10; i++ { | ||
| tk.MustQuery(fmt.Sprintf("explain select * from t%v where a = 1", i)).CheckNotContain("pseudo") | ||
| } | ||
| for i := 1; i < 10; i++ { | ||
| tk.MustQuery(fmt.Sprintf("explain select * from t%v where b = 1", i)).CheckNotContain("pseudo") | ||
| } | ||
| for i := 1; i < 10; i++ { | ||
| tk.MustQuery(fmt.Sprintf("explain select * from t%v where c >= 1", i)).CheckNotContain("pseudo") | ||
| } | ||
| for i := 1; i < 10; i++ { | ||
| tbl, err := is.TableByName(context.Background(), model.NewCIStr("test"), model.NewCIStr(fmt.Sprintf("t%v", i))) | ||
| require.NoError(t, err) | ||
| stats, ok := h.StatsCache.Get(tbl.Meta().ID) | ||
| require.True(t, ok) | ||
| for _, col := range stats.GetColSlice() { | ||
| require.True(t, col.IsFullLoad()) | ||
| require.False(t, col.IsAllEvicted()) | ||
| } | ||
| } | ||
| } |
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