Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
张重言
rails
提交
1f5c1a14
R
rails
项目概览
张重言
/
rails
通知
1
Star
0
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
R
rails
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
提交
Issue看板
体验新版 GitCode,发现更多精彩内容 >>
提交
1f5c1a14
编写于
5月 21, 2012
作者:
F
Francesco Rodriguez
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
improve CollectionProxy#destroy documentation
上级
d8317348
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
37 addition
and
5 deletion
+37
-5
activerecord/lib/active_record/associations/collection_proxy.rb
...record/lib/active_record/associations/collection_proxy.rb
+37
-5
未找到文件。
activerecord/lib/active_record/associations/collection_proxy.rb
浏览文件 @
1f5c1a14
...
...
@@ -248,7 +248,7 @@ class CollectionProxy < Relation
# :method: destroy
# Destroy the +records+ supplied and remove them from the collection.
# This method will _always_ remove record from the database ignoring
# the +:dependent+ option. Returns an array with the
delet
ed records.
# the +:dependent+ option. Returns an array with the
remov
ed records.
#
# class Person < ActiveRecord::Base
# has_many :pets
...
...
@@ -278,10 +278,42 @@ class CollectionProxy < Relation
# # #<Pet id: 3, name: "Choo-Choo", person_id: 1>
# # ]
#
# person.pets.size # => 0
# person.pets # => []
# person.pets.size
# => 0
# person.pets
# => []
#
# Pet.find([1, 2, 3]) # => ActiveRecord::RecordNotFound: Couldn't find all Pets with IDs (1, 2, 3)
# Pet.find(1, 2, 3) # => ActiveRecord::RecordNotFound: Couldn't find all Pets with IDs (1, 2, 3)
#
# You can pass +Fixnum+ or +String+ values, it finds the records
# responding to the +id+ and then deletes them from the database.
#
# person.pets.size # => 3
# person.pets
# # => [
# # #<Pet id: 4, name: "Benny", person_id: 1>,
# # #<Pet id: 5, name: "Brain", person_id: 1>,
# # #<Pet id: 6, name: "Boss", person_id: 1>
# # ]
#
# person.pets.destroy("4")
# # => #<Pet id: 4, name: "Benny", person_id: 1>
#
# person.pets.size # => 2
# person.pets
# # => [
# # #<Pet id: 5, name: "Brain", person_id: 1>,
# # #<Pet id: 6, name: "Boss", person_id: 1>
# # ]
#
# person.pets.destroy(5, 6)
# # => [
# # #<Pet id: 5, name: "Brain", person_id: 1>,
# # #<Pet id: 6, name: "Boss", person_id: 1>
# # ]
#
# person.pets.size # => 0
# person.pets # => []
#
# Pet.find(4, 5, 6) # => ActiveRecord::RecordNotFound: Couldn't find all Pets with IDs (4, 5, 6)
##
# :method: empty?
...
...
@@ -298,7 +330,7 @@ class CollectionProxy < Relation
#
# person.pets.count # => 0
# person.pets.empty? # => true
##
# :method: any?
# Returns true if the collection is not empty.
...
...
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录