salix/db/changes/10003-easter/00-nodeRecalc.sql

24 lines
672 B
SQL

DROP procedure IF EXISTS `nst`.`nodeRecalc`;
DELIMITER $$
CREATE DEFINER=`root`@`%` PROCEDURE `nst`.`nodeRecalc`(IN `vScheme` VARCHAR(45), IN `vTable` VARCHAR(45))
BEGIN
CALL util.exec(CONCAT (
'UPDATE ', vScheme, '.', vTable, ' d',
' JOIN (SELECT',
' node.id,',
' COUNT(parent.id) - 1 as depth,',
' cast((node.rgt - node.lft - 1) / 2 as DECIMAL) as sons',
' FROM ',
' ', vScheme, '.', vTable, ' AS node,',
' ', vScheme, '.', vTable, ' AS parent',
' WHERE node.lft BETWEEN parent.lft AND parent.rgt',
' GROUP BY node.id',
' ORDER BY node.lft) n ON n.id = d.id ',
' SET d.`depth` = n.depth, d.sons = n.sons'
));
END$$
DELIMITER ;