Tom Lane wrote:
> ramirez@idconcepts.org (Edwin S. Ramirez) writes:
> > It appears that the count('x') will no longer work without a type
> > cast. Is this on purpose?
>
> > warehouse=# select count('x') ;
> > ERROR: cannot accept a value of type any
>
> Hm, that query seems like it should be legal. (You get the same
> from "select count('x') from some_table", so it's not the lack of
> a table to iterate over that's the issue.)
>
> The most direct fix is probably to make any_in() return some random
> value (may as well be ((Datum) 0)) instead of producing an error.
> I can't offhand see any real downside to doing so, but I'm a little
> worried that it might introduce a gap in the type system. Can anyone
> see a reason not to do that? Or a better fix for Edwin's complaint?
What is COUNT('x') supposed to return? 1? Is that legal SQL?
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