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980dd0bf51
* update xorm and dependencies vendor for feature to dump to other database * fix golint
59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
// Copyright 2016 The Xorm 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 LICENSE file.
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package builder
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import "fmt"
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// IsNull defines IS NULL condition
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type IsNull [1]string
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var _ Cond = IsNull{""}
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// WriteTo write SQL to Writer
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func (isNull IsNull) WriteTo(w Writer) error {
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_, err := fmt.Fprintf(w, "%s IS NULL", isNull[0])
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return err
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}
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// And implements And with other conditions
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func (isNull IsNull) And(conds ...Cond) Cond {
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return And(isNull, And(conds...))
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}
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// Or implements Or with other conditions
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func (isNull IsNull) Or(conds ...Cond) Cond {
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return Or(isNull, Or(conds...))
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}
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// IsValid tests if this condition is valid
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func (isNull IsNull) IsValid() bool {
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return len(isNull[0]) > 0
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}
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// NotNull defines NOT NULL condition
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type NotNull [1]string
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var _ Cond = NotNull{""}
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// WriteTo write SQL to Writer
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func (notNull NotNull) WriteTo(w Writer) error {
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_, err := fmt.Fprintf(w, "%s IS NOT NULL", notNull[0])
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return err
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}
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// And implements And with other conditions
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func (notNull NotNull) And(conds ...Cond) Cond {
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return And(notNull, And(conds...))
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}
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// Or implements Or with other conditions
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func (notNull NotNull) Or(conds ...Cond) Cond {
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return Or(notNull, Or(conds...))
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}
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// IsValid tests if this condition is valid
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func (notNull NotNull) IsValid() bool {
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return len(notNull[0]) > 0
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}
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