95 lines
2.4 KiB
Go
95 lines
2.4 KiB
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/stmt"
|
|
)
|
|
|
|
// Compile compiles a ast.Node into a executable statement.
|
|
func Compile(node ast.Node) (stmt.Statement, error) {
|
|
validator := &validator{}
|
|
if _, ok := node.Accept(validator); !ok {
|
|
return nil, errors.Trace(validator.err)
|
|
}
|
|
|
|
binder := &InfoBinder{}
|
|
if _, ok := node.Accept(validator); !ok {
|
|
return nil, errors.Trace(binder.Err)
|
|
}
|
|
|
|
tpComputer := &typeComputer{}
|
|
if _, ok := node.Accept(tpComputer); !ok {
|
|
return nil, errors.Trace(tpComputer.err)
|
|
}
|
|
|
|
switch v := node.(type) {
|
|
case *ast.InsertStmt:
|
|
return convertInsert(v)
|
|
case *ast.DeleteStmt:
|
|
return convertDelete(v)
|
|
case *ast.UpdateStmt:
|
|
return convertUpdate(v)
|
|
case *ast.SelectStmt:
|
|
return convertSelect(v)
|
|
case *ast.UnionStmt:
|
|
return convertUnion(v)
|
|
case *ast.CreateDatabaseStmt:
|
|
return convertCreateDatabase(v)
|
|
case *ast.DropDatabaseStmt:
|
|
return convertDropDatabase(v)
|
|
case *ast.CreateTableStmt:
|
|
return convertCreateTable(v)
|
|
case *ast.DropTableStmt:
|
|
return convertDropTable(v)
|
|
case *ast.CreateIndexStmt:
|
|
return convertCreateIndex(v)
|
|
case *ast.DropIndexStmt:
|
|
return convertDropIndex(v)
|
|
case *ast.AlterTableStmt:
|
|
return convertAlterTable(v)
|
|
case *ast.TruncateTableStmt:
|
|
return convertTruncateTable(v)
|
|
case *ast.ExplainStmt:
|
|
return convertExplain(v)
|
|
case *ast.PrepareStmt:
|
|
return convertPrepare(v)
|
|
case *ast.DeallocateStmt:
|
|
return convertDeallocate(v)
|
|
case *ast.ExecuteStmt:
|
|
return convertExecute(v)
|
|
case *ast.ShowStmt:
|
|
return convertShow(v)
|
|
case *ast.BeginStmt:
|
|
return convertBegin(v)
|
|
case *ast.CommitStmt:
|
|
return convertCommit(v)
|
|
case *ast.RollbackStmt:
|
|
return convertRollback(v)
|
|
case *ast.UseStmt:
|
|
return convertUse(v)
|
|
case *ast.SetStmt:
|
|
return convertSet(v)
|
|
case *ast.SetCharsetStmt:
|
|
return convertSetCharset(v)
|
|
case *ast.SetPwdStmt:
|
|
return convertSetPwd(v)
|
|
case *ast.DoStmt:
|
|
return convertDo(v)
|
|
}
|
|
return nil, nil
|
|
}
|