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