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| author | Ernie Miller <ernie@metautonomo.us> | 2010-05-03 20:47:42 -0400 |
|---|---|---|
| committer | Vijay Dev <vijaydev.cse@gmail.com> | 2010-12-16 01:49:29 +0530 |
| commit | 5d37ff6bb2b1f948034bf06e450f2fdb8195c4e5 (patch) | |
| tree | 4f051cd12065f9799f4b5c1016854ee372883de9 /activerecord/lib | |
| parent | 7bffa9dd01cdef3088e0d33fabd5fc07eb35c9d9 (diff) | |
| download | rails-5d37ff6bb2b1f948034bf06e450f2fdb8195c4e5.tar.gz rails-5d37ff6bb2b1f948034bf06e450f2fdb8195c4e5.tar.bz2 rails-5d37ff6bb2b1f948034bf06e450f2fdb8195c4e5.zip | |
Fix hm:t to self table aliasing in construct_scope
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/associations/through_association_scope.rb | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/associations/through_association_scope.rb b/activerecord/lib/active_record/associations/through_association_scope.rb index 6b7faa9fc3..a55bf6323e 100644 --- a/activerecord/lib/active_record/associations/through_association_scope.rb +++ b/activerecord/lib/active_record/associations/through_association_scope.rb @@ -21,9 +21,17 @@ module ActiveRecord construct_owner_attributes(@reflection) end + def aliased_through_table + name = @reflection.through_reflection.table_name + + @reflection.table_name == name ? + @reflection.through_reflection.klass.arel_table.alias(name + "_join") : + @reflection.through_reflection.klass.arel_table + end + # Build SQL conditions from attributes, qualified by table name. def construct_conditions - table = @reflection.through_reflection.klass.arel_table + table = aliased_through_table conditions = construct_quoted_owner_attributes(@reflection.through_reflection).map do |attr, value| table[attr].eq(value) end @@ -53,7 +61,7 @@ module ActiveRecord end def construct_joins - right = @reflection.through_reflection.klass.arel_table + right = aliased_through_table left = @reflection.klass.arel_table conditions = [] |