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comparison MySQL/Plugins/DeleteResources.sql @ 424:95c413106a66 improve-delete

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Introduced a procedure to delete resources (to be tested)
author Alain Mazy <am@osimis.io>
date Wed, 13 Sep 2023 13:32:54 +0200
parents
children d0dd95ff0662
comparison
equal deleted inserted replaced
423:7d2ba3ece4ee 424:95c413106a66
1 DROP PROCEDURE IF EXISTS DeleteResources;
2
3 CREATE PROCEDURE DeleteResources(
4 IN p_id BIGINT
5 )
6 BEGIN
7 DECLARE v_internalId BIGINT@
8 DECLARE done INT DEFAULT FALSE@
9 DECLARE cur1 CURSOR FOR
10 SELECT internalId FROM DeletedResources@
11 DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = TRUE@
12 set done=FALSE@
13 -- Create a CTE to hold the temporary data ???
14 -- WITH DeletedResources AS (
15 -- SELECT internalId, resourceType, publicId
16 -- FROM Resources
17 -- )
18
19 CREATE TEMPORARY TABLE DeletedResources SELECT * FROM (
20 SELECT internalId, resourceType, publicId FROM Resources WHERE internalId=p_id OR parentId=p_id
21 OR parentId IN (SELECT internalId FROM Resources WHERE parentId=p_id)
22 OR parentId IN (SELECT internalId FROM Resources WHERE parentId IN (SELECT internalId FROM Resources WHERE parentId=p_id))) AS t@
23
24 OPEN cur1@
25 REPEAT
26 FETCH cur1 INTO v_internalId@
27 IF NOT done THEN
28 DELETE FROM Resources WHERE internalId=v_internalId@
29 END IF@
30 UNTIL done END REPEAT@
31 CLOSE cur1@
32
33 END;