forked from Shiloh/githaven
fe55ab2a68
* fix forgot removed records when deleting user * fix migration * fix rewritekey lock on sqlite * remove unused codes
90 lines
1.8 KiB
Go
90 lines
1.8 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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"bytes"
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"fmt"
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)
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// Insert creates an insert Builder
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func Insert(eq ...interface{}) *Builder {
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builder := &Builder{cond: NewCond()}
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return builder.Insert(eq...)
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}
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func (b *Builder) insertSelectWriteTo(w Writer) error {
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if _, err := fmt.Fprintf(w, "INSERT INTO %s ", b.into); err != nil {
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return err
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}
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if len(b.insertCols) > 0 {
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fmt.Fprintf(w, "(")
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for _, col := range b.insertCols {
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fmt.Fprintf(w, col)
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}
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fmt.Fprintf(w, ") ")
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}
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return b.selectWriteTo(w)
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}
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func (b *Builder) insertWriteTo(w Writer) error {
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if len(b.into) <= 0 {
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return ErrNoTableName
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}
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if len(b.insertCols) <= 0 && b.from == "" {
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return ErrNoColumnToInsert
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}
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if b.into != "" && b.from != "" {
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return b.insertSelectWriteTo(w)
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}
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if _, err := fmt.Fprintf(w, "INSERT INTO %s (", b.into); err != nil {
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return err
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}
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var args = make([]interface{}, 0)
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var bs []byte
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var valBuffer = bytes.NewBuffer(bs)
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for i, col := range b.insertCols {
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value := b.insertVals[i]
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fmt.Fprint(w, col)
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if e, ok := value.(expr); ok {
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fmt.Fprintf(valBuffer, "(%s)", e.sql)
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args = append(args, e.args...)
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} else {
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fmt.Fprint(valBuffer, "?")
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args = append(args, value)
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}
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if i != len(b.insertCols)-1 {
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if _, err := fmt.Fprint(w, ","); err != nil {
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return err
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}
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if _, err := fmt.Fprint(valBuffer, ","); err != nil {
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return err
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}
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}
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}
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if _, err := fmt.Fprint(w, ") Values ("); err != nil {
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return err
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}
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if _, err := w.Write(valBuffer.Bytes()); err != nil {
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return err
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}
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if _, err := fmt.Fprint(w, ")"); err != nil {
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return err
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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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