55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
// Copyright 2023 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package analyzetest
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import (
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"fmt"
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"testing"
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"github.com/pingcap/tidb/pkg/testkit"
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)
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const (
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partitionCount = 1000
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partitioninterval = 100
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)
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func BenchmarkAnalyzePartition(b *testing.B) {
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if testing.Short() {
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b.Skip("it takes too much time to run")
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}
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store := testkit.CreateMockStore(b)
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tk := testkit.NewTestKit(b, store)
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tk.MustExec("use test")
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tk.MustExec("set @@session.tidb_partition_prune_mode = 'dynamic'")
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sql := "create table t(a int,b varchar(100),c int,INDEX idx_c(c)) PARTITION BY RANGE ( a ) ("
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for n := partitioninterval; n < partitionCount*partitioninterval; n = n + partitioninterval {
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sql += "PARTITION p" + fmt.Sprint(n) + " VALUES LESS THAN (" + fmt.Sprint(n) + "),"
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}
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sql += "PARTITION p" + fmt.Sprint(partitionCount*partitioninterval) + " VALUES LESS THAN MAXVALUE)"
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tk.MustExec(sql)
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// insert random data into table t
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insertStr := "insert into t (a,b,c) values(0, 'abc', 0)"
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for i := 1; i < 100000; i++ {
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insertStr += fmt.Sprintf(" ,(%d, '%s', %d)", i, "abc", i)
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}
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insertStr += ";"
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tk.MustExec(insertStr)
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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tk.MustExec("analyze table t all columns")
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}
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}
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