mirror of
https://github.com/go-gitea/gitea
synced 2024-11-15 06:34:25 +00:00
43 lines
1.0 KiB
Go
43 lines
1.0 KiB
Go
|
// 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 xorm
|
||
|
|
|
||
|
|
import "reflect"
|
||
|
|
|
||
|
|
// IterFunc only use by Iterate
|
||
|
|
type IterFunc func(idx int, bean interface{}) error
|
||
|
|
|
||
|
|
// Rows return sql.Rows compatible Rows obj, as a forward Iterator object for iterating record by record, bean's non-empty fields
|
||
|
|
// are conditions.
|
||
|
|
func (session *Session) Rows(bean interface{}) (*Rows, error) {
|
||
|
|
return newRows(session, bean)
|
||
|
|
}
|
||
|
|
|
||
|
|
// Iterate record by record handle records from table, condiBeans's non-empty fields
|
||
|
|
// are conditions. beans could be []Struct, []*Struct, map[int64]Struct
|
||
|
|
// map[int64]*Struct
|
||
|
|
func (session *Session) Iterate(bean interface{}, fun IterFunc) error {
|
||
|
|
rows, err := session.Rows(bean)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
defer rows.Close()
|
||
|
|
|
||
|
|
i := 0
|
||
|
|
for rows.Next() {
|
||
|
|
b := reflect.New(rows.beanType).Interface()
|
||
|
|
err = rows.Scan(b)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
err = fun(i, b)
|
||
|
|
if err != nil {
|
||
|
|
return err
|
||
|
|
}
|
||
|
|
i++
|
||
|
|
}
|
||
|
|
return err
|
||
|
|
}
|