diff options
Diffstat (limited to 'activerecord/lib/active_record/associations/has_many_through_association.rb')
-rw-r--r-- | activerecord/lib/active_record/associations/has_many_through_association.rb | 31 |
1 files changed, 25 insertions, 6 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 14f752abe4..883375707d 100644 --- a/activerecord/lib/active_record/associations/has_many_through_association.rb +++ b/activerecord/lib/active_record/associations/has_many_through_association.rb @@ -262,12 +262,31 @@ module ActiveRecord end def conditions - @conditions ||= [ - (interpolate_sql(@reflection.klass.send(:sanitize_sql, @reflection.options[:conditions])) if @reflection.options[:conditions]), - (interpolate_sql(@reflection.active_record.send(:sanitize_sql, @reflection.through_reflection.options[:conditions])) if @reflection.through_reflection.options[:conditions]), - (interpolate_sql(@reflection.active_record.send(:sanitize_sql, @reflection.source_reflection.options[:conditions])) if @reflection.source_reflection.options[:conditions]), - ("#{@reflection.through_reflection.table_name}.#{@reflection.through_reflection.klass.inheritance_column} = #{@reflection.klass.quote_value(@reflection.through_reflection.klass.name.demodulize)}" unless @reflection.through_reflection.klass.descends_from_active_record?) - ].compact.collect { |condition| "(#{condition})" }.join(' AND ') unless (!@reflection.options[:conditions] && !@reflection.through_reflection.options[:conditions] && !@reflection.source_reflection.options[:conditions] && @reflection.through_reflection.klass.descends_from_active_record?) + @conditions = build_conditions unless defined?(@conditions) + @conditions + end + + def build_conditions + association_conditions = @reflection.options[:conditions] + through_conditions = @reflection.through_reflection.options[:conditions] + source_conditions = @reflection.source_reflection.options[:conditions] + uses_sti = !@reflection.through_reflection.klass.descends_from_active_record? + + if association_conditions || through_conditions || source_conditions || uses_sti + all = [] + + [association_conditions, through_conditions, source_conditions].each do |conditions| + all << interpolate_sql(sanitize_sql(conditions)) if conditions + end + + all << build_sti_condition if uses_sti + + all.map { |sql| "(#{sql})" } * ' AND ' + end + end + + def build_sti_condition + "#{@reflection.through_reflection.table_name}.#{@reflection.through_reflection.klass.inheritance_column} = #{@reflection.klass.quote_value(@reflection.through_reflection.klass.name.demodulize)}" end alias_method :sql_conditions, :conditions |