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体验新版 GitCode,发现更多精彩内容 >>
提交
5b82f50f
编写于
12月 09, 2011
作者:
A
Aaron Patterson
浏览文件
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浏览文件
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电子邮件补丁
差异文件
Use `table_exists?` from the schema cache.
上级
007965a6
变更
4
隐藏空白更改
内联
并排
Showing
4 changed file
with
7 addition
and
8 deletion
+7
-8
activerecord/lib/active_record/base.rb
activerecord/lib/active_record/base.rb
+1
-1
activerecord/lib/active_record/connection_adapters/schema_cache.rb
...ord/lib/active_record/connection_adapters/schema_cache.rb
+2
-4
activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
...associations/has_and_belongs_to_many_associations_test.rb
+3
-3
activerecord/test/cases/session_store/session_test.rb
activerecord/test/cases/session_store/session_test.rb
+1
-0
未找到文件。
activerecord/lib/active_record/base.rb
浏览文件 @
5b82f50f
...
...
@@ -762,7 +762,7 @@ def set_sequence_name(value = nil, &block) #:nodoc:
# Indicates whether the table associated with this class exists
def
table_exists?
connection
.
table_exists?
(
table_name
)
connection
.
schema_cache
.
table_exists?
(
table_name
)
end
# Returns an array of column objects for the table associated with this class.
...
...
activerecord/lib/active_record/connection_adapters/schema_cache.rb
浏览文件 @
5b82f50f
...
...
@@ -42,10 +42,7 @@ def initialize(conn)
def
table_exists?
(
name
)
return
@tables
[
name
]
if
@tables
.
key?
name
connection
.
tables
.
each
{
|
table
|
@tables
[
table
]
=
true
}
@tables
[
name
]
=
connection
.
table_exists?
(
name
)
if
!
@tables
.
key?
(
name
)
@tables
[
name
]
@tables
[
name
]
=
connection
.
table_exists?
(
name
)
end
# Clears out internal caches:
...
...
@@ -66,6 +63,7 @@ def clear_table_cache!(table_name)
@columns_hash
.
delete
table_name
@column_defaults
.
delete
table_name
@primary_keys
.
delete
table_name
@tables
.
delete
table_name
end
end
end
...
...
activerecord/test/cases/associations/has_and_belongs_to_many_associations_test.rb
浏览文件 @
5b82f50f
...
...
@@ -825,12 +825,12 @@ def test_caching_of_columns
# clear cache possibly created by other tests
david
.
projects
.
reset_column_information
# One query for columns, one for primary key
assert_queries
(
2
)
{
david
.
projects
.
columns
;
david
.
projects
.
columns
}
# One query for columns, one for primary key
, one for table existence
assert_queries
(
3
)
{
david
.
projects
.
columns
;
david
.
projects
.
columns
}
## and again to verify that reset_column_information clears the cache correctly
david
.
projects
.
reset_column_information
assert_queries
(
2
)
{
david
.
projects
.
columns
;
david
.
projects
.
columns
}
assert_queries
(
3
)
{
david
.
projects
.
columns
;
david
.
projects
.
columns
}
end
def
test_attributes_are_being_set_when_initialized_from_habm_association_with_where_clause
...
...
activerecord/test/cases/session_store/session_test.rb
浏览文件 @
5b82f50f
...
...
@@ -9,6 +9,7 @@ class SessionTest < ActiveRecord::TestCase
def
setup
super
ActiveRecord
::
Base
.
connection
.
schema_cache
.
clear!
Session
.
drop_table!
if
Session
.
table_exists?
end
...
...
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