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体验新版 GitCode,发现更多精彩内容 >>
提交
7b7b7c5c
编写于
6月 07, 2016
作者:
R
Ryuta Kamizono
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电子邮件补丁
差异文件
Extract foreign key action from `information_schema`
Fixes #25300.
上级
16bb3d6f
变更
4
显示空白变更内容
内联
并排
Showing
4 changed file
with
44 addition
and
34 deletion
+44
-34
activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
...tive_record/connection_adapters/abstract_mysql_adapter.rb
+15
-15
activerecord/test/cases/adapters/mysql2/schema_test.rb
activerecord/test/cases/adapters/mysql2/schema_test.rb
+21
-0
activerecord/test/cases/primary_keys_test.rb
activerecord/test/cases/primary_keys_test.rb
+0
-12
activerecord/test/schema/schema.rb
activerecord/test/schema/schema.rb
+8
-7
未找到文件。
activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
浏览文件 @
7b7b7c5c
...
...
@@ -516,18 +516,20 @@ def foreign_keys(table_name)
schema
,
name
=
extract_schema_qualified_name
(
table_name
)
fk_info
=
select_all
(
<<-
SQL
.
strip_heredoc
,
'SCHEMA'
)
SELECT fk.referenced_table_name as 'to_table'
,fk.referenced_column_name as 'primary_key'
,fk.column_name as 'column'
,fk.constraint_name as 'name'
SELECT fk.referenced_table_name AS 'to_table',
fk.referenced_column_name AS 'primary_key',
fk.column_name AS 'column',
fk.constraint_name AS 'name',
rc.update_rule AS 'on_update',
rc.delete_rule AS 'on_delete'
FROM information_schema.key_column_usage fk
WHERE fk.referenced_column_name is not null
JOIN information_schema.referential_constraints rc
USING (constraint_schema, constraint_name)
WHERE fk.referenced_column_name IS NOT NULL
AND fk.table_schema =
#{
quote
(
schema
)
}
AND fk.table_name =
#{
quote
(
name
)
}
SQL
create_table_info
=
create_table_info
(
table_name
)
fk_info
.
map
do
|
row
|
options
=
{
column:
row
[
'column'
],
...
...
@@ -535,8 +537,8 @@ def foreign_keys(table_name)
primary_key:
row
[
'primary_key'
]
}
options
[
:on_update
]
=
extract_foreign_key_action
(
create_table_info
,
row
[
'name'
],
"UPDATE"
)
options
[
:on_delete
]
=
extract_foreign_key_action
(
create_table_info
,
row
[
'name'
],
"DELETE"
)
options
[
:on_update
]
=
extract_foreign_key_action
(
row
[
'on_update'
]
)
options
[
:on_delete
]
=
extract_foreign_key_action
(
row
[
'on_delete'
]
)
ForeignKeyDefinition
.
new
(
table_name
,
row
[
'to_table'
],
options
)
end
...
...
@@ -891,14 +893,12 @@ def column_definitions(table_name) # :nodoc:
end
end
def
extract_foreign_key_action
(
structure
,
name
,
action
)
# :nodoc:
if
structure
=~
/CONSTRAINT
#{
quote_column_name
(
name
)
}
FOREIGN KEY .* REFERENCES .* ON
#{
action
}
(CASCADE|SET NULL|RESTRICT)/
case
$1
def
extract_foreign_key_action
(
specifier
)
# :nodoc:
case
specifier
when
'CASCADE'
;
:cascade
when
'SET NULL'
;
:nullify
end
end
end
def
create_table_info_cache
# :nodoc:
@create_table_info_cache
||=
{}
...
...
activerecord/test/cases/adapters/mysql2/schema_test.rb
浏览文件 @
7b7b7c5c
...
...
@@ -103,3 +103,24 @@ def test_drop_temporary_table
end
end
end
class
Mysql2AnsiQuotesTest
<
ActiveRecord
::
Mysql2TestCase
def
setup
@connection
=
ActiveRecord
::
Base
.
connection
@connection
.
execute
(
"SET SESSION sql_mode='ANSI_QUOTES'"
)
end
def
teardown
@connection
.
reconnect!
end
def
test_primary_key_method_with_ansi_quotes
assert_equal
"id"
,
@connection
.
primary_key
(
"topics"
)
end
def
test_foreign_keys_method_with_ansi_quotes
fks
=
@connection
.
foreign_keys
(
"lessons_students"
)
assert_equal
([[
"lessons_students"
,
"students"
,
:cascade
]],
fks
.
map
{
|
fk
|
[
fk
.
from_table
,
fk
.
to_table
,
fk
.
on_delete
]
})
end
end
activerecord/test/cases/primary_keys_test.rb
浏览文件 @
7b7b7c5c
...
...
@@ -275,18 +275,6 @@ def test_collectly_dump_composite_primary_key
end
if
current_adapter?
(
:Mysql2Adapter
)
class
PrimaryKeyWithAnsiQuotesTest
<
ActiveRecord
::
TestCase
self
.
use_transactional_tests
=
false
def
test_primary_key_method_with_ansi_quotes
con
=
ActiveRecord
::
Base
.
connection
con
.
execute
(
"SET SESSION sql_mode='ANSI_QUOTES'"
)
assert_equal
"id"
,
con
.
primary_key
(
"topics"
)
ensure
con
.
reconnect!
end
end
class
PrimaryKeyBigintNilDefaultTest
<
ActiveRecord
::
TestCase
include
SchemaDumpingHelper
...
...
activerecord/test/schema/schema.rb
浏览文件 @
7b7b7c5c
...
...
@@ -409,6 +409,14 @@
t
.
references
:student
end
create_table
:students
,
force:
true
do
|
t
|
t
.
string
:name
t
.
boolean
:active
t
.
integer
:college_id
end
add_foreign_key
:lessons_students
,
:students
,
on_delete: :cascade
create_table
:lint_models
,
force:
true
create_table
:line_items
,
force:
true
do
|
t
|
...
...
@@ -777,12 +785,6 @@
t
.
integer
:lock_version
,
null:
false
,
default:
0
end
create_table
:students
,
force:
true
do
|
t
|
t
.
string
:name
t
.
boolean
:active
t
.
integer
:college_id
end
create_table
:subscribers
,
force:
true
,
id:
false
do
|
t
|
t
.
string
:nick
,
null:
false
t
.
string
:name
...
...
@@ -1002,7 +1004,6 @@
end
add_foreign_key
:fk_test_has_fk
,
:fk_test_has_pk
,
column:
"fk_id"
,
name:
"fk_name"
,
primary_key:
"pk_id"
add_foreign_key
:lessons_students
,
:students
end
create_table
:overloaded_types
,
force:
true
do
|
t
|
...
...
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