salix/db/routines/vn/procedures/department_getLeaves.sql

79 lines
1.6 KiB
SQL

DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`department_getLeaves`(
vParentFk INT,
vSearch VARCHAR(255)
)
BEGIN
DECLARE vIsNumber BOOL;
DECLARE vIsSearch BOOL DEFAULT vSearch IS NOT NULL AND vSearch != '';
DROP TEMPORARY TABLE IF EXISTS tNodes;
CREATE TEMPORARY TABLE tNodes
(UNIQUE (id))
ENGINE = MEMORY
SELECT id FROM department LIMIT 0;
IF vIsSearch THEN
SET vIsNumber = vSearch REGEXP '^[0-9]+$';
INSERT INTO tNodes
SELECT id FROM department
WHERE (vIsNumber AND `name` = vSearch)
OR (!vIsNumber AND `name` LIKE CONCAT('%', vSearch, '%'))
LIMIT 1000;
END IF;
IF vParentFk IS NULL THEN
DROP TEMPORARY TABLE IF EXISTS tChilds;
CREATE TEMPORARY TABLE tChilds
ENGINE = MEMORY
SELECT id FROM tNodes;
DROP TEMPORARY TABLE IF EXISTS tParents;
CREATE TEMPORARY TABLE tParents
ENGINE = MEMORY
SELECT id FROM department LIMIT 0;
myLoop: LOOP
DELETE FROM tParents;
INSERT INTO tParents
SELECT parentFk id
FROM department g
JOIN tChilds c ON c.id = g.id
WHERE g.parentFk IS NOT NULL;
INSERT IGNORE INTO tNodes
SELECT id FROM tParents;
IF ROW_COUNT() = 0 THEN
LEAVE myLoop;
END IF;
DELETE FROM tChilds;
INSERT INTO tChilds
SELECT id FROM tParents;
END LOOP;
DROP TEMPORARY TABLE
tChilds,
tParents;
END IF;
IF !vIsSearch THEN
INSERT IGNORE INTO tNodes
SELECT id FROM department
WHERE parentFk <=> vParentFk;
END IF;
SELECT d.id,
d.`name`,
d.parentFk,
d.sons
FROM department d
JOIN tNodes n ON n.id = d.id
ORDER BY depth, `name`;
DROP TEMPORARY TABLE tNodes;
END$$
DELIMITER ;