// 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/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) {
	switch v := node.(type) {
	case *ast.SetStmt:
		return compileSet(v)
	}
	return nil, nil
}

func compileSet(aset *ast.SetStmt) (stmt.Statement, error) {
	return nil, nil
}