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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 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
- }
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