Support session filters in DML statements
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Key: HHH-5775
URL:
http://opensource.atlassian.com/projects/hibernate/browse/HHH-5775
Project: Hibernate Core
Issue Type: Improvement
Components: core, query-hql
Reporter: Jason Clawson
We are using filters to support multi-tenency, an approach alluded to in this recent blog
post:
http://in.relation.to/Bloggers/MultitenancyInHibernate. It works create for HQL
selects but doesn't work for Updates / Deletes. Looking through the source code, this
seems to have been a conscious choice as some comments indicate. If filters are meant to
be used for multitenency, this seems to be the wrong choice. I would like to see session
filters affect updates and deletes. This seems very logical because if I run the select:
SELECT * FROM User which is affected by a filter and returns 2 users, and then execute
DELETE FROM User which deletes all the users in the system--- thats not what I would
expect to happen.
I believe this will require modifications to HqlSqlWalker and the ANTLR script sql-gen.g.
I am looking into what other modifications are necessary, but I would appreciate it if the
Hibernate folks could take a look since they would be most familiar with the code and the
decisions behind it.
Thanks!
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