Added on_check_delete event

Marius Cramer

2014-02-10 5f29df751d026642fdf49adb2c160e8fbca73e77

 install/sql/incremental/upd_0050.sql

New file
@@ -0,0 +1,2 @@
ALTER TABLE `dns_slave` DROP INDEX `origin`;
ALTER TABLE `dns_slave` ADD CONSTRAINT `slave` UNIQUE (`origin`,`server_id`);