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authorMingdong Luo <mdluo@nsmss.com>2015-01-31 19:23:48 -0800
committerMingdong Luo <mdluo@nsmss.com>2015-01-31 19:23:48 -0800
commit549d171a90135999e3c670f489494b7a39dd6dd7 (patch)
tree233466527b797fe3ea7c6a7a3673795cea28aebe /activerecord/lib/active_record/relation/query_attribute.rb
parentc840b18ac31a852d99ff760229f2c087b6961727 (diff)
parent70ac072976c8cc6f013f0df3777e54ccae3f4f8c (diff)
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Merge branch 'master' into pr/18316
Conflicts: activerecord/CHANGELOG.md
Diffstat (limited to 'activerecord/lib/active_record/relation/query_attribute.rb')
-rw-r--r--activerecord/lib/active_record/relation/query_attribute.rb19
1 files changed, 19 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/relation/query_attribute.rb b/activerecord/lib/active_record/relation/query_attribute.rb
new file mode 100644
index 0000000000..e69319b4de
--- /dev/null
+++ b/activerecord/lib/active_record/relation/query_attribute.rb
@@ -0,0 +1,19 @@
+require 'active_record/attribute'
+
+module ActiveRecord
+ class Relation
+ class QueryAttribute < Attribute
+ def type_cast(value)
+ value
+ end
+
+ def value_for_database
+ @value_for_database ||= super
+ end
+
+ def with_cast_value(value)
+ QueryAttribute.new(name, value, type)
+ end
+ end
+ end
+end