class AttrJson::Record::QueryBuilder

def contains_relation_impl
  result_relation = relation
  group_attributes_by_container.each do |container_attribute, attributes|
    param_hash = {}
    attributes.each do |key, value|
      add_to_param_hash!(param_hash, key, value)
    end
    result_relation = yield(result_relation, "#{relation.table_name}.#{container_attribute} @> (?)::jsonb", param_hash.to_json)
  end
  result_relation
end