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30 lines
912 B
Go
30 lines
912 B
Go
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// Copyright 2015 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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package optimizer
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import (
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"github.com/juju/errors"
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"github.com/pingcap/tidb/ast"
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"github.com/pingcap/tidb/context"
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"github.com/pingcap/tidb/infoschema"
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)
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// Preprocess does preprocess work for optimizer.
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func Preprocess(node ast.Node, info infoschema.InfoSchema, ctx context.Context) error {
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if err := ResolveName(node, info, ctx); err != nil {
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return errors.Trace(err)
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}
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return nil
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}
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