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79 lines
1.6 KiB
79 lines
1.6 KiB
// 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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// Neq defines not equal conditions
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type Neq map[string]interface{}
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var _ Cond = Neq{}
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// WriteTo writes SQL to Writer
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func (neq Neq) WriteTo(w Writer) error {
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var args = make([]interface{}, 0, len(neq))
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var i = 0
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for k, v := range neq {
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switch v.(type) {
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case []int, []int64, []string, []int32, []int16, []int8:
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if err := NotIn(k, v).WriteTo(w); err != nil {
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return err
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}
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case expr:
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if _, err := fmt.Fprintf(w, "%s<>(", k); err != nil {
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return err
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}
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if err := v.(expr).WriteTo(w); err != nil {
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return err
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}
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if _, err := fmt.Fprintf(w, ")"); err != nil {
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return err
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}
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case *Builder:
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if _, err := fmt.Fprintf(w, "%s<>(", k); err != nil {
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return err
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}
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if err := v.(*Builder).WriteTo(w); err != nil {
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return err
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}
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if _, err := fmt.Fprintf(w, ")"); err != nil {
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return err
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}
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default:
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if _, err := fmt.Fprintf(w, "%s<>?", k); err != nil {
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return err
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}
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args = append(args, v)
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}
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if i != len(neq)-1 {
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if _, err := fmt.Fprint(w, " AND "); err != nil {
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return err
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}
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}
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i = i + 1
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}
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w.Append(args...)
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return nil
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}
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// And implements And with other conditions
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func (neq Neq) And(conds ...Cond) Cond {
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return And(neq, And(conds...))
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}
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// Or implements Or with other conditions
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func (neq Neq) Or(conds ...Cond) Cond {
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return Or(neq, Or(conds...))
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}
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// IsValid tests if this condition is valid
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func (neq Neq) IsValid() bool {
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return len(neq) > 0
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}
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