DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` FUNCTION `util`.`json_cleanEquals`(vA JSON, vB JSON)
	RETURNS JSON
	DETERMINISTIC
BEGIN
/**
* Cleans @vA instance removing nulls and keys whose values are the same.
*
* @param vA JSON containing the old values
* @param vB JSON containing the new values
*/
	DECLARE vKeys JSON;
	DECLARE vPath VARCHAR(255);
	DECLARE vValueA JSON;
	DECLARE vValueB JSON;
	DECLARE i INT DEFAULT 0;
	DECLARE vCount INT;

	IF vA IS NULL OR vB IS NULL THEN
		RETURN vA;
	END IF;

	SET vKeys = JSON_KEYS(vB);
	SET vCount = JSON_LENGTH(vKeys);

	WHILE i < vCount DO
		SET vPath = CONCAT('$.', JSON_VALUE(vKeys, CONCAT('$[',i,']')));
		SET vValueA = JSON_EXTRACT(vA, vPath);
		SET vValueB = JSON_EXTRACT(vB, vPath);
		IF vValueA <=> vValueB THEN
			SET vA = JSON_REMOVE(vA, vPath);
		END IF;
		SET i := i + 1;
	END WHILE;

	RETURN vA;
END$$
DELIMITER ;


-- Aplicar a todas las tablas log

-- ticketLog
UPDATE vn.ticketLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.ticketLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.ticketLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.ticketLog;

-- entryLog
UPDATE vn.entryLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.entryLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.entryLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.entryLog;

-- itemLog
UPDATE vn.itemLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.itemLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.itemLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.itemLog;

-- routeLog
UPDATE vn.routeLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.routeLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.routeLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.routeLog;

-- travelLog
UPDATE vn.travelLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.travelLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.travelLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.travelLog;

-- zoneLog
UPDATE vn.zoneLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.zoneLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.zoneLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.zoneLog;

-- clientLog
UPDATE vn.clientLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.clientLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.clientLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.clientLog;

-- workerLog
UPDATE vn.workerLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.workerLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.workerLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.workerLog;

-- claimLog
UPDATE vn.claimLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.claimLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.claimLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.claimLog;

-- shelvingLog
UPDATE vn.shelvingLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.shelvingLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.shelvingLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.shelvingLog;

-- invoiceInLog
UPDATE vn.invoiceInLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.invoiceInLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.invoiceInLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.invoiceInLog;

-- userLog
UPDATE vn.userLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.userLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.userLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.userLog;

-- supplierLog
UPDATE vn.supplierLog
	SET oldInstance = util.json_cleanEquals(@oldI := oldInstance, newInstance),
		newInstance = util.json_cleanEquals(newInstance, @oldI)
	WHERE `action` = 'update';

UPDATE vn.supplierLog
	SET oldInstance = util.json_removeNulls(oldInstance)
	WHERE `action` = 'delete'
		AND oldInstance IS NOT NULL
		AND NOT (oldInstance <=> util.json_removeNulls(oldInstance));

UPDATE vn.supplierLog
	SET newInstance = util.json_removeNulls(newInstance)
	WHERE `action` = 'insert'
		AND newInstance IS NOT NULL
		AND NOT (newInstance <=> util.json_removeNulls(newInstance));

OPTIMIZE TABLE vn.supplierLog;

DROP FUNCTION util.json_cleanEquals;
