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- // 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) selectWriteTo(w Writer) error {
- if len(b.tableName) <= 0 {
- return errors.New("no table indicated")
- }
- if _, err := fmt.Fprint(w, "SELECT "); err != nil {
- return err
- }
- if len(b.selects) > 0 {
- for i, s := range b.selects {
- if _, err := fmt.Fprint(w, s); err != nil {
- return err
- }
- if i != len(b.selects)-1 {
- if _, err := fmt.Fprint(w, ","); err != nil {
- return err
- }
- }
- }
- } else {
- if _, err := fmt.Fprint(w, "*"); err != nil {
- return err
- }
- }
- if _, err := fmt.Fprintf(w, " FROM %s", b.tableName); err != nil {
- return err
- }
- for _, v := range b.joins {
- fmt.Fprintf(w, " %s JOIN %s ON ", v.joinType, v.joinTable)
- if err := v.joinCond.WriteTo(w); err != nil {
- return err
- }
- }
- if !b.cond.IsValid() {
- return nil
- }
- if _, err := fmt.Fprint(w, " WHERE "); err != nil {
- return err
- }
- return b.cond.WriteTo(w)
- }
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