Viewing File: /home/ubuntu/code_review/phabricator/resources/sql/autopatches/20140115.legalpadsigkey.sql

ALTER TABLE {$NAMESPACE}_legalpad.legalpad_documentsignature
  DROP KEY `key_document`;

ALTER TABLE {$NAMESPACE}_legalpad.legalpad_documentsignature
  ADD KEY `key_document` (`documentPHID`,`signerPHID`, `documentVersion`);