Change in ovirt-engine[master]: core: add foreign key to quota_id

[gchaplik at redhat.com]

Gilad Chaplik has submitted this change and it was merged.

Change subject: core: add foreign key to quota_id
......................................................................


core: add foreign key to quota_id

problem: quota_id field (in vm_static and images) isn't linked
to quota table, therefore when removing a quota, it doesn't clear
the quota_id ref.
solution: set quota_id fields as foreign keys and use
set NULL on delete.
Currently there is extensive usage of Guid.Empty to indicate
null, removed that in relevant DAOs.
Upgrade:
- set NULL instead of Guid.Empty
- set NULL instead of non-existing quota ids
- add the foreign key constraint

Change-Id: I5092a3070937719009fa1fb4fb9ecb792f03b969
Bug-Url: https://bugzilla.redhat.com/1003839
Signed-off-by: Gilad Chaplik <gchaplik at redhat.com>
---
M backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/DiskImageDAODbFacadeImpl.java
M backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/ImageDaoDbFacadeImpl.java
M backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmDAODbFacadeImpl.java
M backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmStaticDAODbFacadeImpl.java
M backend/manager/modules/dal/src/main/java/org/ovirt/engine/core/dao/VmTemplateDAODbFacadeImpl.java
A packaging/dbscripts/upgrade/03_03_0900_quota_id_foreign_key.sql
6 files changed, 16 insertions(+), 5 deletions(-)

Approvals:
  Gilad Chaplik: Verified; Looks good to me, approved



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Gerrit-MessageType: merged
Gerrit-Change-Id: I5092a3070937719009fa1fb4fb9ecb792f03b969
Gerrit-PatchSet: 5
Gerrit-Project: ovirt-engine
Gerrit-Branch: master
Gerrit-Owner: Gilad Chaplik <gchaplik at redhat.com>
Gerrit-Reviewer: Allon Mureinik <amureini at redhat.com>
Gerrit-Reviewer: Doron Fediuck <dfediuck at redhat.com>
Gerrit-Reviewer: Gilad Chaplik <gchaplik at redhat.com>
Gerrit-Reviewer: oVirt Jenkins CI Server