- Fixed FS#2950 - DNS: Empty TTL leads to zero TTL (should be empty to use ...

ftimme

2013-06-08 d32eb66f55eb71cf131e7204c8142b74f8c1632d

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ALTER TABLE `dns_slave` DROP INDEX `origin`;
ALTER TABLE `dns_slave` ADD CONSTRAINT `slave` UNIQUE (`origin`,`server_id`);