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体验新版 GitCode,发现更多精彩内容 >>
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9a5b1fad
编写于
1月 22, 2018
作者:
E
Edouard CHIN
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差异文件
Combine delete and insert statements in the same query
上级
22a26d24
变更
2
显示空白变更内容
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并排
Showing
2 changed file
with
10 addition
and
13 deletion
+10
-13
activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
...ecord/connection_adapters/abstract/database_statements.rb
+5
-6
activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
...tive_record/connection_adapters/abstract_mysql_adapter.rb
+5
-7
未找到文件。
activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
浏览文件 @
9a5b1fad
...
...
@@ -372,12 +372,13 @@ def insert_fixtures_set(fixture_set, tables_to_delete = [])
build_fixture_sql
(
fixtures
,
table_name
)
end
.
compact
total_sql
=
Array
.
wrap
(
combine_multi_statements
(
fixture_inserts
,
tables_to_delete
))
table_deletes
=
tables_to_delete
.
map
{
|
table
|
"DELETE FROM
#{
quote_table_name
table
}
"
.
dup
}
total_sql
=
Array
.
wrap
(
combine_multi_statements
(
table_deletes
+
fixture_inserts
))
disable_referential_integrity
do
transaction
(
requires_new:
true
)
do
total_sql
.
each
do
|
sql
|
execute
sql
,
"Fixtures
Insert
"
execute
sql
,
"Fixtures
Load
"
yield
if
block_given?
end
end
...
...
@@ -445,10 +446,8 @@ def build_fixture_sql(fixtures, table_name)
manager
.
to_sql
end
def
combine_multi_statements
(
fixture_inserts
,
tables_to_delete
)
tables_to_delete
.
each
{
|
table
|
delete
"DELETE FROM
#{
quote_table_name
(
table
)
}
"
,
"Fixture Delete"
}
fixture_inserts
.
join
(
";
\n
"
)
def
combine_multi_statements
(
total_sql
)
total_sql
.
join
(
";
\n
"
)
end
# Returns a subquery for the given key using the join information.
...
...
activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
浏览文件 @
9a5b1fad
...
...
@@ -545,14 +545,12 @@ def insert_fixtures_set(fixture_set, tables_to_delete = [])
private
def
combine_multi_statements
(
fixture_inserts
,
tables_to_delete
)
super
fixture_inserts
.
each_with_object
([])
do
|
sql
,
total_sql
|
previous_packet
=
total_sql
.
last
def
combine_multi_statements
(
total_sql
)
total_sql
.
each_with_object
([])
do
|
sql
,
total_sql_chunks
|
previous_packet
=
total_sql_chunks
.
last
sql
<<
";
\n
"
if
max_allowed_packet_reached?
(
sql
,
previous_packet
)
||
total_sql
.
empty?
total_sql
<<
sql
if
max_allowed_packet_reached?
(
sql
,
previous_packet
)
||
total_sql
_chunks
.
empty?
total_sql
_chunks
<<
sql
else
previous_packet
<<
sql
end
...
...
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