29dda47cbb
* fix label count * fix vendor * fix import order * update xorm to fix bug * fix tests * fix mssql bug
114 lines
2.4 KiB
Go
114 lines
2.4 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 (
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"fmt"
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"sort"
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)
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// Incr implements a type used by Eq
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type Incr int
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// Decr implements a type used by Eq
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type Decr int
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// Eq defines equals conditions
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type Eq map[string]interface{}
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var _ Cond = Eq{}
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// OpWriteTo writes conditions with special operator
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func (eq Eq) OpWriteTo(op string, w Writer) error {
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var i = 0
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for _, k := range eq.sortedKeys() {
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v := eq[k]
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switch v.(type) {
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case []int, []int64, []string, []int32, []int16, []int8, []uint, []uint64, []uint32, []uint16, []interface{}:
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if err := In(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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case Incr:
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if _, err := fmt.Fprintf(w, "%s=%s+?", k, k); err != nil {
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return err
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}
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w.Append(int(v.(Incr)))
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case Decr:
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if _, err := fmt.Fprintf(w, "%s=%s-?", k, k); err != nil {
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return err
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}
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w.Append(int(v.(Decr)))
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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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w.Append(v)
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}
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if i != len(eq)-1 {
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if _, err := fmt.Fprint(w, op); 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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return nil
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}
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// WriteTo writes SQL to Writer
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func (eq Eq) WriteTo(w Writer) error {
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return eq.OpWriteTo(" AND ", w)
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}
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// And implements And with other conditions
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func (eq Eq) And(conds ...Cond) Cond {
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return And(eq, And(conds...))
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}
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// Or implements Or with other conditions
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func (eq Eq) Or(conds ...Cond) Cond {
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return Or(eq, Or(conds...))
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}
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// IsValid tests if this Eq is valid
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func (eq Eq) IsValid() bool {
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return len(eq) > 0
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}
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// sortedKeys returns all keys of this Eq sorted with sort.Strings.
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// It is used internally for consistent ordering when generating
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// SQL, see https://gitea.com/xorm/builder/issues/10
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func (eq Eq) sortedKeys() []string {
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keys := make([]string, 0, len(eq))
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for key := range eq {
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keys = append(keys, key)
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}
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sort.Strings(keys)
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return keys
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}
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