[hibernate-dev] Bulk delete behavior for collection tables

[Gail Badner]

Hi Christian,

I'm pretty sure this was implemented, but that it introduced a regression
and ended up being reverted. I'll try to find the issue so you can see the
code that was used.

Regards,
Gail

On Thu, Jan 11, 2018 at 8:56 AM, Christian Beikov <
christian.beikov at gmail.com> wrote:

> Hey,
>
> so HHH-5529 <https://hibernate.atlassian.net/browse/HHH-5529> defines a
> feature which I'd like to work on but want to hear opinions first.
>
> Currently, bulk deletes only clear join tables of the affected entity
> type. I guess one could argue that this was done because collection
> table in contrast to join table entries should be bound to the entity
> table lifecycle by using an FK with delete cascading. Or maybe it just
> wasn't implemented because nobody stepped up.
>
> I'd like to fill this gap and implement the deletion of the collection
> table entries, but make that and the join table entry deletion
> configurable.
>
> Does anyone have anything against that?
>
> Would you prefer a single configuration option for join table and
> collection table clearing? If we enable that option by default,
> collection tables will then be cleared whereas currently users would get
> a FK violation. Don't know if that can be classified as breaking behavior.
>
> Or have two configuration options? Even then, would we enable collection
> table entry deletion by default?
>
> --
>
> Mit freundlichen Grüßen,
> ------------------------------------------------------------------------
> *Christian Beikov*
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