CREATE TABLE {$NAMESPACE}_differential.differential_reviewer (
  id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
  revisionPHID VARBINARY(64) NOT NULL,
  reviewerPHID VARBINARY(64) NOT NULL,
  reviewerStatus VARCHAR(64) NOT NULL COLLATE {$COLLATE_TEXT},
  dateCreated INT UNSIGNED NOT NULL,
  dateModified INT UNSIGNED NOT NULL,
  UNIQUE KEY `key_revision` (revisionPHID, reviewerPHID)
) ENGINE=InnoDB, COLLATE {$COLLATE_TEXT};