Ari Entlich <atrig...@ccs.neu.edu> writes:
> I do, however, think it should definitely be documented somewhere that
> functions cannot be used to get around the lack of check statement
> subqueries, because the ordering of operations is wrong.
That statement seems to me to be complete nonsense. You can certainly
put a query into a function invoked by CHECK. It may be that there's
some particular use-case that this doesn't work for, but that does not
justify a blanket statement that it "doesn't work".
regards, tom lane
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