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| author | Aaron Patterson <aaron.patterson@gmail.com> | 2013-09-11 11:23:11 -0700 |
|---|---|---|
| committer | Aaron Patterson <aaron.patterson@gmail.com> | 2013-09-11 11:23:30 -0700 |
| commit | 7e0cac156eae758a81b2f0f4ac1b18afd7e5354e (patch) | |
| tree | 9ce75e20518f44dd0dfffb67f7a69ebdf9ec47ce /activerecord/lib/active_record/associations | |
| parent | 233c6d4c298434544e349a559906f5fa1883e070 (diff) | |
| download | rails-7e0cac156eae758a81b2f0f4ac1b18afd7e5354e.tar.gz rails-7e0cac156eae758a81b2f0f4ac1b18afd7e5354e.tar.bz2 rails-7e0cac156eae758a81b2f0f4ac1b18afd7e5354e.zip | |
fix deleting join models with no pk
Diffstat (limited to 'activerecord/lib/active_record/associations')
| -rw-r--r-- | activerecord/lib/active_record/associations/has_many_through_association.rb | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/associations/has_many_through_association.rb b/activerecord/lib/active_record/associations/has_many_through_association.rb index a74dd1cdab..56331bbb0b 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -140,7 +140,21 @@ module ActiveRecord case method when :destroy - count = scope.destroy_all.length + if scope.klass.primary_key + count = scope.destroy_all.length + else + scope.to_a.each do |record| + record.run_callbacks :destroy + end + + arel = scope.arel + + stmt = Arel::DeleteManager.new arel.engine + stmt.from scope.klass.arel_table + stmt.wheres = arel.constraints + + count = scope.klass.connection.delete(stmt, 'SQL', scope.bind_values) + end when :nullify count = scope.update_all(source_reflection.foreign_key => nil) else |