diff options
Diffstat (limited to 'activerecord/lib/active_record/relation/where_clause.rb')
| -rw-r--r-- | activerecord/lib/active_record/relation/where_clause.rb | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/relation/where_clause.rb b/activerecord/lib/active_record/relation/where_clause.rb index 752bb38481..a502713e56 100644 --- a/activerecord/lib/active_record/relation/where_clause.rb +++ b/activerecord/lib/active_record/relation/where_clause.rb @@ -47,7 +47,7 @@ module ActiveRecord end def to_h(table_name = nil) - equalities = predicates.grep(Arel::Nodes::Equality) + equalities = equalities(predicates) if table_name equalities = equalities.select do |node| node.left.relation.name == table_name @@ -90,6 +90,20 @@ module ActiveRecord end private + def equalities(predicates) + equalities = [] + + predicates.each do |node| + case node + when Arel::Nodes::Equality + equalities << node + when Arel::Nodes::And + equalities.concat equalities(node.children) + end + end + + equalities + end def predicates_unreferenced_by(other) predicates.reject do |n| @@ -121,7 +135,7 @@ module ActiveRecord end def except_predicates(columns) - self.predicates.reject do |node| + predicates.reject do |node| case node when Arel::Nodes::Between, Arel::Nodes::In, Arel::Nodes::NotIn, Arel::Nodes::Equality, Arel::Nodes::NotEqual, Arel::Nodes::LessThan, Arel::Nodes::LessThanOrEqual, Arel::Nodes::GreaterThan, Arel::Nodes::GreaterThanOrEqual subrelation = (node.left.kind_of?(Arel::Attributes::Attribute) ? node.left : node.right) |