KEY `message_transport_type` (`message_transport_type`),
KEY `letter_module` (`letter_module`,`letter_code`),
CONSTRAINT `message_transports_ibfk_1` FOREIGN KEY (`message_attribute_id`) REFERENCES `message_attributes` (`message_attribute_id`) ON DELETE CASCADE ON UPDATE CASCADE,
- CONSTRAINT `message_transports_ibfk_2` FOREIGN KEY (`message_transport_type`) REFERENCES `message_transport_types` (`message_transport_type`) ON DELETE CASCADE ON UPDATE CASCADE,
- CONSTRAINT `message_transports_ibfk_3` FOREIGN KEY (`letter_module`, `letter_code`, `branchcode`) REFERENCES `letter` (`module`, `code`, `branchcode`) ON DELETE CASCADE ON UPDATE CASCADE
+ CONSTRAINT `message_transports_ibfk_2` FOREIGN KEY (`message_transport_type`) REFERENCES `message_transport_types` (`message_transport_type`) ON DELETE CASCADE ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;
--