Return list of column/property names
# File lib/orm_adapter/adapters/active_record.rb, line 6 def column_names klass.column_names end
# File lib/orm_adapter/adapters/active_record.rb, line 31 def create!(attributes = {}) klass.create!(attributes) end
# File lib/orm_adapter/adapters/active_record.rb, line 36 def destroy(object) object.destroy && true if valid_object?(object) end
@see OrmAdapter::Base#find_all
# File lib/orm_adapter/adapters/active_record.rb, line 26 def find_all(options = {}) construct_relation(klass, options) end
@see OrmAdapter::Base#find_first
# File lib/orm_adapter/adapters/active_record.rb, line 21 def find_first(options = {}) construct_relation(klass, options).first end
@see OrmAdapter::Base#get
# File lib/orm_adapter/adapters/active_record.rb, line 16 def get(id) klass.where(klass.primary_key => wrap_key(id)).first end
# File lib/orm_adapter/adapters/active_record.rb, line 11 def get!(id) klass.find(wrap_key(id)) end
Introspects the klass to convert and objects in conditions into foreign key and type fields
# File lib/orm_adapter/adapters/active_record.rb, line 53 def conditions_to_fields(conditions) fields = {} conditions.each do |key, value| if value.is_a?(::ActiveRecord::Base) && (assoc = klass.reflect_on_association(key.to_sym)) && assoc.belongs_to? if ::ActiveRecord::VERSION::STRING < "3.1" fields[assoc.primary_key_name] = value.send(value.class.primary_key) fields[assoc.options[:foreign_type]] = value.class.base_class.name.to_s if assoc.options[:polymorphic] else # >= 3.1 fields[assoc.foreign_key] = value.send(value.class.primary_key) fields[assoc.foreign_type] = value.class.base_class.name.to_s if assoc.options[:polymorphic] end else fields[key] = value end end fields end
# File lib/orm_adapter/adapters/active_record.rb, line 41 def construct_relation(relation, options) conditions, order, limit, offset = extract_conditions!(options) relation = relation.where(conditions_to_fields(conditions)) relation = relation.order(order_clause(order)) if order.any? relation = relation.limit(limit) if limit relation = relation.offset(offset) if offset relation end
# File lib/orm_adapter/adapters/active_record.rb, line 73 def order_clause(order) order.map {|pair| "#{pair[0]} #{pair[1]}"}.join(",") end