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builder_update.go 798 Bytes
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lunny 提交于 2016-12-11 13:24 . golint fixed
// Copyright 2016 The Xorm Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package builder
import (
"errors"
"fmt"
)
func (b *Builder) updateWriteTo(w Writer) error {
if len(b.tableName) <= 0 {
return errors.New("no table indicated")
}
if len(b.updates) <= 0 {
return errors.New("no column to be update")
}
if _, err := fmt.Fprintf(w, "UPDATE %s SET ", b.tableName); err != nil {
return err
}
for i, s := range b.updates {
if err := s.opWriteTo(",", w); err != nil {
return err
}
if i != len(b.updates)-1 {
if _, err := fmt.Fprint(w, ","); err != nil {
return err
}
}
}
if _, err := fmt.Fprint(w, " WHERE "); err != nil {
return err
}
return b.cond.WriteTo(w)
}
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