60 lines
1.4 KiB
MySQL
60 lines
1.4 KiB
MySQL
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DROP procedure IF EXISTS `zoneNestTown`;
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DELIMITER $$
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CREATE DEFINER=`root`@`%` PROCEDURE `vn`.`zoneNestTown`()
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BEGIN
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DECLARE vDone BOOL;
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DECLARE vParent INT DEFAULT 1;
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DECLARE vGeoFk INT;
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DECLARE vChildFk INT;
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DECLARE vChildName VARCHAR(100);
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DECLARE townCur CURSOR FOR
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SELECT p.geoFk, t.id, t.`name`
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FROM vn.town t
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JOIN vn.province p ON p.id = t.provinceFk
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JOIN tmp.country tc ON tc.id = p.countryFk
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ORDER BY p.geoFk, t.`name`;
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DECLARE CONTINUE HANDLER FOR NOT FOUND SET vDone = TRUE;
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-- Remove existing towns from zoneGeo
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DELETE zg FROM vn.town t
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JOIN vn.province p ON p.id = t.provinceFk
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JOIN tmp.country tc ON tc.id = p.countryFk
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JOIN tmp.zoneGeo zg ON zg.id = t.geoFk;
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-- Reset town geoFk
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UPDATE vn.town t
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JOIN vn.province p ON p.id = t.provinceFk
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JOIN tmp.country tc ON tc.id = p.countryFk
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SET t.geoFk = NULL
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WHERE t.geoFk IS NOT NULL;
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-- > Town cursor start
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OPEN townCur;
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townLoop: LOOP
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SET vDone = FALSE;
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FETCH townCur INTO vParent, vChildFk, vChildName;
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IF vDone THEN
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LEAVE townLoop;
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END IF;
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CALL nst.nodeAdd('tmp', 'zoneGeo', vParent, vChildName);
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END LOOP;
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CLOSE townCur;
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-- < Town cursor end
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UPDATE town t
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JOIN tmp.zoneGeo z ON z.name = t.name
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LEFT JOIN province p ON p.geoFk = z.id
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SET t.geoFk = z.id
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WHERE p.geoFk IS NULL;
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END$$
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DELIMITER ;
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