56 lines
1.6 KiB
MySQL
56 lines
1.6 KiB
MySQL
|
DELIMITER $$
|
||
|
|
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `util`.`log_cleanInstances`(
|
||
|
|
vActionCode VARCHAR(45),
|
||
|
|
INOUT vOldInstance JSON,
|
||
|
|
INOUT vNewInstance JSON)
|
||
|
|
BEGIN
|
||
|
|
/**
|
||
|
|
* Cleans both instances removing nulls and keys whose values are the same.
|
||
|
|
*
|
||
|
|
* @param vActionCode The action code {insert | delete | update}
|
||
|
|
* @param vOldInstance JSON containing the old values
|
||
|
|
* @param vNewInstance JSON containing the new values
|
||
|
|
*/
|
||
|
|
DECLARE vKeys JSON;
|
||
|
|
DECLARE vPath VARCHAR(255);
|
||
|
|
DECLARE vOldValue JSON;
|
||
|
|
DECLARE vNewValue JSON;
|
||
|
|
DECLARE vOld JSON;
|
||
|
|
DECLARE vNew JSON;
|
||
|
|
DECLARE i INT DEFAULT 0;
|
||
|
|
DECLARE vCount INT;
|
||
|
|
|
||
|
|
CASE vActionCode
|
||
|
|
WHEN 'insert' THEN
|
||
|
|
SET vNewInstance = json_removeNulls(vNewInstance);
|
||
|
|
WHEN 'update' THEN
|
||
|
|
SET vOld = '{}';
|
||
|
|
SET vNew = '{}';
|
||
|
|
SET vKeys = JSON_KEYS(vNewInstance);
|
||
|
|
SET vCount = JSON_LENGTH(vKeys);
|
||
|
|
WHILE i < vCount DO
|
||
|
|
SET vPath = CONCAT('$.', JSON_VALUE(vKeys, CONCAT('$[',i,']')));
|
||
|
|
SET vOldValue = JSON_EXTRACT(vOldInstance, vPath);
|
||
|
|
SET vNewValue = JSON_EXTRACT(vNewInstance, vPath);
|
||
|
|
IF NOT (vOldValue <=> vNewValue) THEN
|
||
|
|
IF vOldValue IS NOT NULL AND vOldValue <> 'null' THEN
|
||
|
|
SET vOld = JSON_SET(vOld, vPath, JSON_COMPACT(vOldValue));
|
||
|
|
END IF;
|
||
|
|
IF vNewValue IS NOT NULL THEN
|
||
|
|
SET vNew = JSON_SET(vNew, vPath, JSON_COMPACT(vNewValue));
|
||
|
|
END IF;
|
||
|
|
END IF;
|
||
|
|
SET i := i + 1;
|
||
|
|
END WHILE;
|
||
|
|
SET vOldInstance = vOld;
|
||
|
|
SET vNewInstance = vNew;
|
||
|
|
WHEN 'delete' THEN
|
||
|
|
SET vOldInstance = json_removeNulls(vOldInstance);
|
||
|
|
ELSE BEGIN END;
|
||
|
|
END CASE;
|
||
|
|
|
||
|
|
SET vOldInstance = log_formatDate(vOldInstance);
|
||
|
|
SET vNewInstance = log_formatDate(vNewInstance);
|
||
|
|
END$$
|
||
|
|
DELIMITER ;
|