46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
// Copyright 2013 The ql Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSES/QL-LICENSE file.
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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 field
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import (
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"fmt"
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"github.com/pingcap/tidb/expression"
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)
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// Field is used for parsing column name from SQL.
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type Field struct {
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Expr expression.Expression
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AsName string
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}
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// String implements fmt.Stringer interface.
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func (f *Field) String() string {
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if len(f.AsName) > 0 {
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return fmt.Sprintf("%s AS %s", f.Expr, f.AsName)
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}
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return f.Expr.String()
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}
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// Opt is used for parsing data type option from SQL.
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type Opt struct {
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IsUnsigned bool
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IsZerofill bool
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}
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