diff options
Diffstat (limited to 'lib/arel/algebra/relations/operations/join.rb')
| -rw-r--r-- | lib/arel/algebra/relations/operations/join.rb | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/arel/algebra/relations/operations/join.rb b/lib/arel/algebra/relations/operations/join.rb index 300cd31bcd..21bcfaa62d 100644 --- a/lib/arel/algebra/relations/operations/join.rb +++ b/lib/arel/algebra/relations/operations/join.rb @@ -19,8 +19,7 @@ module Arel end def attributes - @attributes ||= (relation1.externalize.attributes + - relation2.externalize.attributes).collect { |a| a.bind(self) } + @attributes ||= (relation1.externalize.attributes | relation2.externalize.attributes).bind(self) end def wheres |