A Save on a new entity with an identity POID will flush any pending
actions. Updating EntityA in Scenario2 doesn't add any pending actions
until the commit is called. In fact, you should not call Save when you're
updating.

/G

2016-10-17 23:14 GMT+02:00 isern regalis <isernrega...@gmail.com>:

> Hi,
> I'm seeing the following behavior where saving an entity with generated
> identity "flushes" previous Saves on new entities but have no identity
> column that haven't been commited/flushed yet, but does not do the same
> when the previous uncommited Save actions are updates. I didn't find
> anything documented on this. Any idea why the previous Saves (entities
> having no generated identity) aren't postponed until commit like for the
> update?
> Thanks!
>
> Scenario1 (Insert):
>       Entity1 without identity column is saved with Save() (New so will be
> inserted)
>       No flush or commit has yet been called so no calls to DB yet
>       Entity2 with identity column is saved with Save() (New so will be
> inserted)
>
> Insert db call for Entity1 is carried out before Entity2 even though
> Commit or Flush not called yet.
>
> Scenario2 (Update):
>       EntityA  without identity column is saved with Save() (Existing so
> will be updated)
>       No flush or commit has yet been called so no calls to DB yet
>       EntityB with identity column is saved with Save() (New so will be
> inserted)
>
>       EntityA gets updated in DB during Commit
>
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