0002048: amber many-to-many cascade merge() does not delete children

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Category

Severity

Reproducibility

Date Submitted

Last Update

0002048

[Resin]

major

always

10-09-07 08:16

11-07-07 15:49

Reporter

westrupp

View Status

public

Assigned To

ferg

Priority

normal

Resolution

no change required

Status

closed

Product Version

3.1.3

Summary

0002048: amber many-to-many cascade merge() does not delete children

Description

        // begin transaction ...

        // child to be deleted
        int appId = 1;

        // parent
        int userId = 1;

        User user = em.find(User.class, userId);

        Collection apps = user.getApplications();

        Collection newApps = new ArrayList();

        for (Iterator iterator = apps.iterator(); iterator.hasNext();) {

            Application o = (Application) iterator.next();

            if (o.getAppId().intValue()!=appId){

                newApps.add(o);

            }

        }

        user.setApplications(newApps);

        em.merge(user);

        // ... commit transaction

        // child is not deleted

Additional Information

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Notes
(0002461) ferg 11-07-07 15:49	The merge operation does not automatically delete children, according to the JPA specification.

Issue History
Date Modified	Username	Field	Change
10-09-07 08:16	westrupp	New Issue
11-07-07 15:49	ferg	Note Added: 0002461
11-07-07 15:49	ferg	Assigned To	=> ferg
11-07-07 15:49	ferg	Status	new => closed
11-07-07 15:49	ferg	Resolution	open => no change required
11-07-07 15:49	ferg	Description Updated

Mantis 1.0.0rc3[^]

30 total queries executed.
26 unique queries executed.