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体验新版 GitCode,发现更多精彩内容 >>
提交
a53935df
编写于
1月 30, 2013
作者:
N
Noemj
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
Changed update_record to use prepared statements.
上级
5f30b547
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
26 addition
and
3 deletion
+26
-3
activerecord/lib/active_record/persistence.rb
activerecord/lib/active_record/persistence.rb
+12
-3
activerecord/test/cases/adapter_test.rb
activerecord/test/cases/adapter_test.rb
+14
-0
未找到文件。
activerecord/lib/active_record/persistence.rb
浏览文件 @
a53935df
...
...
@@ -418,13 +418,22 @@ def create_or_update
# Returns the number of affected rows.
def
update_record
(
attribute_names
=
@attributes
.
keys
)
attributes_with_values
=
arel_attributes_with_values_for_update
(
attribute_names
)
if
attributes_with_values
.
empty?
0
else
klass
=
self
.
class
stmt
=
klass
.
unscoped
.
where
(
klass
.
arel_table
[
klass
.
primary_key
].
eq
(
id
)).
arel
.
compile_update
(
attributes_with_values
)
klass
.
connection
.
update
stmt
column_hash
=
klass
.
connection
.
schema_cache
.
columns_hash
klass
.
table_name
db_columns_with_values
=
attributes_with_values
.
map
{
|
attr
,
value
|
real_column
=
column_hash
[
attr
.
name
]
[
real_column
,
value
]
}
bind_attrs
=
attributes_with_values
.
dup
bind_attrs
.
keys
.
each_with_index
do
|
column
,
i
|
real_column
=
db_columns_with_values
[
i
].
first
bind_attrs
[
column
]
=
klass
.
connection
.
substitute_at
(
real_column
,
i
)
end
stmt
=
klass
.
unscoped
.
where
(
klass
.
arel_table
[
klass
.
primary_key
].
eq
(
id
)).
arel
.
compile_update
(
bind_attrs
)
klass
.
connection
.
update
stmt
,
'SQL'
,
db_columns_with_values
end
end
...
...
activerecord/test/cases/adapter_test.rb
浏览文件 @
a53935df
require
"cases/helper"
require
"models/book"
module
ActiveRecord
class
AdapterTest
<
ActiveRecord
::
TestCase
...
...
@@ -6,6 +7,19 @@ def setup
@connection
=
ActiveRecord
::
Base
.
connection
end
##
# PostgreSQL does not support null bytes in strings
unless
current_adapter?
(
:PostgreSQLAdapter
)
def
test_update_prepared_statement
b
=
Book
.
create
(
name:
"my
\x00
book"
)
b
.
reload
assert_equal
"my
\x00
book"
,
b
.
name
b
.
update_attributes
(
name:
"my other
\x00
book"
)
b
.
reload
assert_equal
"my other
\x00
book"
,
b
.
name
end
end
def
test_tables
tables
=
@connection
.
tables
assert
tables
.
include?
(
"accounts"
)
...
...
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