mirror of
https://github.com/go-gitea/gitea
synced 2024-11-17 23:41:49 +01:00
30 lines
912 B
Go
30 lines
912 B
Go
|
// Copyright 2015 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,
|
||
|
|
// See the License for the specific language governing permissions and
|
||
|
|
// limitations under the License.
|
||
|
|
|
||
|
|
package optimizer
|
||
|
|
|
||
|
|
import (
|
||
|
|
"github.com/juju/errors"
|
||
|
|
"github.com/pingcap/tidb/ast"
|
||
|
|
"github.com/pingcap/tidb/context"
|
||
|
|
"github.com/pingcap/tidb/infoschema"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Preprocess does preprocess work for optimizer.
|
||
|
|
func Preprocess(node ast.Node, info infoschema.InfoSchema, ctx context.Context) error {
|
||
|
|
if err := ResolveName(node, info, ctx); err != nil {
|
||
|
|
return errors.Trace(err)
|
||
|
|
}
|
||
|
|
return nil
|
||
|
|
}
|