schemas/_regproc.sql.mysql
author Sandrine Ribeau <sandrine.ribeau@logilab.fr>
Wed, 22 Apr 2009 21:45:08 -0700
changeset 1442 db4e2508082b
parent 0 b97547f5f1fa
permissions -rw-r--r--
[doc] Begin improvement of schema definition.

/* -*- sql -*- 

   mysql specific registered procedures, 

*/

/* XXX limit_size version dealing with format as postgres version does.
   XXX mysql doesn't support overloading, each function should have a different name
       
   NOTE: fulltext renamed since it cause a mysql name conflict
 */

CREATE FUNCTION text_limit_size(vfulltext TEXT, maxsize INT)
RETURNS TEXT
NO SQL
BEGIN
    IF LENGTH(vfulltext) < maxsize THEN
       RETURN vfulltext;
    ELSE
       RETURN SUBSTRING(vfulltext from 1 for maxsize) || '...';
    END IF;
END ;;