Files
tidb/pkg/bindinfo/internal/testutil.go

42 lines
1.5 KiB
Go

// 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 internal
import (
"testing"
"github.com/pingcap/tidb/pkg/domain"
"github.com/pingcap/tidb/pkg/parser"
"github.com/pingcap/tidb/pkg/parser/ast"
"github.com/pingcap/tidb/pkg/testkit"
utilparser "github.com/pingcap/tidb/pkg/util/parser"
"github.com/stretchr/testify/require"
)
// UtilCleanBindingEnv cleans the binding environment.
func UtilCleanBindingEnv(tk *testkit.TestKit, dom *domain.Domain) {
tk.MustExec("delete from mysql.bind_info where source != 'builtin'")
dom.BindHandle().Clear()
}
// UtilNormalizeWithDefaultDB normalizes the SQL and returns the normalized SQL and its digest.
func UtilNormalizeWithDefaultDB(t *testing.T, sql string) (stmt ast.StmtNode, normalized, digest string) {
testParser := parser.New()
stmt, err := testParser.ParseOneStmt(sql, "", "")
require.NoError(t, err)
normalized, digestResult := parser.NormalizeDigestForBinding(utilparser.RestoreWithDefaultDB(stmt, "test", ""))
return stmt, normalized, digestResult.String()
}