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

close #46914

executor/test/analyzetest/BUILD.bazel

@@ -0,0 +1,7 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_test")
+
+go_test(
+    name = "analyzetest_test",
+    srcs = ["analyze_bench_test.go"],
+    deps = ["//testkit"],
+)

executor/test/analyzetest/analyze_bench_test.go

@@ -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")
+	}
+}