test: add paging explain analyze and total_process_keys test #36179
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,105 @@ | ||
| // Copyright 2022 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. | ||
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| package sessiontest | ||
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| import ( | ||
| "fmt" | ||
| "math/rand" | ||
| "strconv" | ||
| "strings" | ||
| "testing" | ||
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| "github.com/pingcap/tidb/config" | ||
| "github.com/pingcap/tidb/testkit" | ||
| "github.com/pingcap/tidb/tests/realtikvtest" | ||
| "github.com/stretchr/testify/require" | ||
| ) | ||
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| func TestPagingActRowsAndProcessKeys(t *testing.T) { | ||
| // Close copr-cache | ||
| defer config.RestoreFunc() | ||
| config.UpdateGlobal(func(conf *config.Config) { | ||
| conf.TiKVClient.CoprCache.CapacityMB = 0 | ||
| }) | ||
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| store, clean := realtikvtest.CreateMockStoreAndSetup(t) | ||
| defer clean() | ||
| session := testkit.NewTestKit(t, store) | ||
| session.MustExec("use test;") | ||
| session.MustExec("drop table if exists t;") | ||
| session.MustExec(`set @@tidb_wait_split_region_finish=1`) | ||
| session.MustExec("create table t(a int,b int,c int,index idx(a,b), primary key(a));") | ||
| // prepare data, insert 10w record | ||
| // [0, 999999] | ||
| for i := 0; i < 100; i++ { | ||
| sql := "insert into t value" | ||
| for j := 0; j < 1000; j++ { | ||
| if j != 0 { | ||
| sql += "," | ||
| } | ||
| sql += "(" + strconv.Itoa(i*1000+j) + "," + strconv.Itoa(i*1000+j) + "," + strconv.Itoa(i*1000+j) + ")" | ||
| } | ||
| session.MustExec(sql) | ||
| } | ||
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| testcase := []struct { | ||
| regionNumLowerBound int32 | ||
| regionNumUpperBound int32 | ||
| }{ | ||
| {10, 100}, // [10, 99] | ||
| {100, 500}, // [100,499] | ||
| {500, 1000}, // [500,999] | ||
| {1000, 1001}, // 1000 | ||
| } | ||
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| openOrClosePaging := []string{ | ||
| "set tidb_enable_paging = on;", | ||
| "set tidb_enable_paging = off;", | ||
| } | ||
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| sqls := []string{ | ||
| "desc analyze select a,b from t;", // TableScan | ||
| "desc analyze select /*+ use_index(t,idx) */ a,b from t;", // IndexScan | ||
| "desc analyze select /*+ use_index(t,idx) */ c from t;", // IndexLookUp | ||
| } | ||
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| checkScanOperator := func(strs []interface{}) { | ||
| require.Equal(t, strs[2].(string), "100000") | ||
| if *realtikvtest.WithRealTiKV { // Unistore don't collect process_keys now | ||
| require.True(t, strings.Contains(strs[5].(string), "total_process_keys: 100000"), strs[5]) | ||
|
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| } | ||
| } | ||
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| checkResult := func(result [][]interface{}) { | ||
| for _, strs := range result { | ||
| if strings.Contains(strs[0].(string), "Scan") { | ||
| checkScanOperator(strs) | ||
| } | ||
| } | ||
| } | ||
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| for _, tc := range testcase { | ||
| regionNum := rand.Int31n(tc.regionNumUpperBound-tc.regionNumLowerBound) + tc.regionNumLowerBound | ||
| _ = session.MustQuery(fmt.Sprintf("split table t between (0) and (1000000) regions %v;", regionNum)) | ||
| _ = session.MustQuery(fmt.Sprintf("split table t index idx between (0) and (1000000) regions %v;", regionNum)) | ||
| for _, sql := range sqls { | ||
| for _, pagingSQL := range openOrClosePaging { | ||
| session.MustExec(pagingSQL) | ||
| rows := session.MustQuery(sql) | ||
| checkResult(rows.Rows()) | ||
| } | ||
| } | ||
| } | ||
| } | ||
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How long does this test takes?