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
71528c29
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
71528c29
编写于
6月 10, 2009
作者:
E
Emilio Tagua
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Initial update_all migration
上级
05874620
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
28 addition
and
10 deletion
+28
-10
activerecord/lib/active_record/base.rb
activerecord/lib/active_record/base.rb
+28
-10
未找到文件。
activerecord/lib/active_record/base.rb
浏览文件 @
71528c29
...
...
@@ -839,26 +839,44 @@ def destroy(id)
# # Update all books that match our conditions, but limit it to 5 ordered by date
# Book.update_all "author = 'David'", "title LIKE '%Rails%'", :order => 'created_at', :limit => 5
def
update_all
(
updates
,
conditions
=
nil
,
options
=
{})
sql
=
"UPDATE
#{
quoted_table_name
}
SET
#{
sanitize_sql_for_assignment
(
updates
)
}
"
#
sql = "UPDATE #{quoted_table_name} SET #{sanitize_sql_for_assignment(updates)} "
# scope = scope(:find)
# select_sql = ""
# add_conditions!(select_sql, conditions, scope)
# if options.has_key?(:limit) || (scope && scope[:limit])
# # Only take order from scope if limit is also provided by scope, this
# # is useful for updating a has_many association with a limit.
# add_order!(select_sql, options[:order], scope)
# add_limit!(select_sql, options, scope)
# sql.concat(connection.limited_update_conditions(select_sql, quoted_table_name, connection.quote_column_name(primary_key)))
# else
# add_order!(select_sql, options[:order], nil)
# sql.concat(select_sql)
# end
# p sql
# connection.update(sql, "#{name} Update")
scope
=
scope
(
:find
)
select_sql
=
""
add_conditions!
(
select_sql
,
conditions
,
scope
)
arel
=
arel_table
if
conditions
=
construct_conditions
(
conditions
,
scope
)
arel
=
arel
.
where
(
Arel
::
SqlLiteral
.
new
(
conditions
))
end
if
options
.
has_key?
(
:limit
)
||
(
scope
&&
scope
[
:limit
])
# Only take order from scope if limit is also provided by scope, this
# is useful for updating a has_many association with a limit.
add_order!
(
select_sql
,
options
[
:order
],
scope
)
add_limit!
(
select_sql
,
options
,
scope
)
sql
.
concat
(
connection
.
limited_update_conditions
(
select_sql
,
quoted_table_name
,
connection
.
quote_column_name
(
primary_key
)))
arel
=
arel
.
order
(
construct_order
(
options
[
:order
],
scope
)).
take
(
construct_limit
(
options
,
scope
))
else
add_order!
(
select_sql
,
options
[
:order
],
nil
)
sql
.
concat
(
select_sql
)
arel
=
arel
.
order
(
construct_order
(
options
[
:order
],
nil
))
end
connection
.
update
(
sql
,
"
#{
name
}
Update"
)
arel
.
update
(
sanitize_sql_for_assignment
(
updates
)
)
end
# Destroys the records matching +conditions+ by instantiating each
...
...
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