Sergey Konoplev wrote:
Yes it is. But it the way to break integrity cos rows from table2
still refer to deleted rows from table1. So it conflicts with
ideology isn't it?
Yes, but I'm not sure you could have a sensible behaviour-modifying
BEFORE trigger without this loophole. Don't forget, ordinary users can't
work around this - you need suitable permissions.
You could rewrite PG's foreign-key code to check the referencing table
after the delete is supposed to have taken place, and make sure it has.
That's going to halve the speed of all your foreign-key checks though.
--
Richard Huxton
Archonet Ltd
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