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体验新版 GitCode,发现更多精彩内容 >>
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57112fb7
编写于
9月 25, 2013
作者:
A
Aaron Patterson
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电子邮件补丁
差异文件
always populate the preloaded records instance variable so we can remove
the @associated_records_by_owner ivar
上级
be91bb26
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
5 addition
and
10 deletion
+5
-10
activerecord/lib/active_record/associations/preloader/has_many_through.rb
.../active_record/associations/preloader/has_many_through.rb
+1
-3
activerecord/lib/active_record/associations/preloader/through_association.rb
...tive_record/associations/preloader/through_association.rb
+4
-7
未找到文件。
activerecord/lib/active_record/associations/preloader/has_many_through.rb
浏览文件 @
57112fb7
...
...
@@ -5,15 +5,13 @@ class HasManyThrough < CollectionAssociation #:nodoc:
include
ThroughAssociation
def
associated_records_by_owner
(
preloader
)
return
@associated_records_by_owner
if
@associated_records_by_owner
records_by_owner
=
super
if
reflection_scope
.
distinct_value
records_by_owner
.
each_value
{
|
records
|
records
.
uniq!
}
end
@associated_records_by_owner
=
records_by_owner
records_by_owner
end
end
end
...
...
activerecord/lib/active_record/associations/preloader/through_association.rb
浏览文件 @
57112fb7
...
...
@@ -4,7 +4,6 @@ class Preloader
module
ThroughAssociation
#:nodoc:
def
initialize
(
klass
,
owners
,
reflection
,
preload_scope
)
super
@associated_records_by_owner
=
nil
end
def
through_reflection
...
...
@@ -15,10 +14,6 @@ def source_reflection
reflection
.
source_reflection
end
def
preloaded_records
@associated_records_by_owner
.
values
.
flatten
end
def
associated_records_by_owner
(
preloader
)
preloader
.
preload
(
owners
,
through_reflection
.
name
,
...
...
@@ -50,7 +45,7 @@ def associated_records_by_owner(preloader)
}
end
@associated_records_by_owner
=
through_records
.
each_with_object
({})
{
|
(
lhs
,
center
),
records_by_owner
|
through_records
.
each_with_object
({})
{
|
(
lhs
,
center
),
records_by_owner
|
pl_to_middle
=
center
.
group_by
{
|
record
|
middle_to_pl
[
record
]
}
records_by_owner
[
lhs
]
=
pl_to_middle
.
flat_map
do
|
pl
,
middles
|
...
...
@@ -64,7 +59,9 @@ def associated_records_by_owner(preloader)
indexes
[
r
]
=
i
i
+=
1
}
rhs_records
.
sort_by
{
|
rhs
|
record_index
[
rhs
]
}
records
=
rhs_records
.
sort_by
{
|
rhs
|
record_index
[
rhs
]
}
@preloaded_records
.
concat
rhs_records
records
end
}
end
...
...
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