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*: add bench for analyze (#46898) #47248

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*: add bench for analyze
Signed-off-by: Weizhen Wang <wangweizhen@pingcap.com>
  • Loading branch information
hawkingrei authored and ti-chi-bot committed Sep 25, 2023
commit 88142b6838fb1db007c8d816d85bb8b6a532745c
1 change: 1 addition & 0 deletions executor/analyzetest/BUILD.bazel
Original file line number Diff line number Diff line change
@@ -4,6 +4,7 @@ go_test(
name = "analyzetest_test",
timeout = "short",
srcs = [
"analyze_bench_test.go",
"analyze_test.go",
"main_test.go",
],
54 changes: 54 additions & 0 deletions executor/test/analyzetest/analyze_bench_test.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,54 @@
// Copyright 2023 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 analyzetest

import (
"fmt"
"testing"

"github.com/pingcap/tidb/testkit"
)

const (
partitionCount = 1000
partitioninterval = 100
)

func BenchmarkAnalyzePartition(b *testing.B) {
if testing.Short() {
b.Skip("it takes too much time to run")
}
store := testkit.CreateMockStore(b)
tk := testkit.NewTestKit(b, store)
tk.MustExec("use test")
tk.MustExec("set @@session.tidb_partition_prune_mode = 'dynamic'")
sql := "create table t(a int,b varchar(100),c int,INDEX idx_c(c)) PARTITION BY RANGE ( a ) ("
for n := partitioninterval; n < partitionCount*partitioninterval; n = n + partitioninterval {
sql += "PARTITION p" + fmt.Sprint(n) + " VALUES LESS THAN (" + fmt.Sprint(n) + "),"
}
sql += "PARTITION p" + fmt.Sprint(partitionCount*partitioninterval) + " VALUES LESS THAN MAXVALUE)"
tk.MustExec(sql)
// insert random data into table t
insertStr := "insert into t (a,b,c) values(0, 'abc', 0)"
for i := 1; i < 100000; i++ {
insertStr += fmt.Sprintf(" ,(%d, '%s', %d)", i, "abc", i)
}
insertStr += ";"
tk.MustExec(insertStr)
b.ResetTimer()
for i := 0; i < b.N; i++ {
tk.MustExec("analyze table t")
}
}