Class: ActiveRecord::PredicateBuilder::RelationHandler
Do not use. This class is for internal use only.
Relationships & Source Files | |
Inherits: | Object |
Defined in: | activerecord/lib/active_record/relation/predicate_builder/relation_handler.rb |
Instance Method Summary
Instance Method Details
#call(attribute, value)
[ GitHub ]# File 'activerecord/lib/active_record/relation/predicate_builder/relation_handler.rb', line 6
def call(attribute, value) if value.eager_loading? value = value.send(:apply_join_dependency) end if value.select_values.empty? model = value.model if model.composite_primary_key? raise ArgumentError, "Cannot map composite primary key #{model.primary_key} to #{attribute.name}" else value = value.select(value.table[model.primary_key]) end end attribute.in(value.arel) end