schemas/_regproc.mysql.sql
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Thu, 29 Sep 2011 13:53:34 +0200
branchstable
changeset 7886 b1c913a6d9f0
parent 3928 2ced335a9b55
permissions -rw-r--r--
[ms planning] raise BadRQLQuery when two variables related by a non-crossable relation should come from two different sources (closes #1973767)

/* -*- 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 ;;