db.create_table('bridges', ['left text primary key', 'right text'])

	db.create_table('bridge_rooms', ['left text primary key', 'right text'])
	db.create_table('bridge_nicks', ['matrix text primary key', 'irc text'])

	lefts := db.select_by_field('bridges', 'left', lr)
	rights := db.select_by_field('bridges', 'right', lr)

	lefts := db.select_by_field('bridge_rooms', 'left', lr)
	rights := db.select_by_field('bridge_rooms', 'right', lr)

				rows := self.db.select_all('bridges')

				rows := self.db.select_all('bridge_rooms')

					self.db.insert('bridges', bridge.to_db())

					self.db.insert('bridge_rooms', bridge.to_db())

					self.db.delete_by_field('bridges', 'left', parts[2])
					self.db.delete_by_field('bridges', 'right', parts[2])

					self.db.delete_by_field('bridge_rooms', 'left', parts[2])
					self.db.delete_by_field('bridge_rooms', 'right', parts[2])