Tom Lane wrote:
> I wrote:
> > I don't see anything in the commit message or linked discussion to
> > indicate that any visible behavior change was intended, so I think
> > you're right, this is a bug. Will check and push your patch.
>
> Actually, this patch still wasn't quite right: although it fixed
> one aspect of the behavior, it still produced identical results
> for typemod NULL and typemod -1, which as the function's comment
> explains is not what should happen. I tweaked the logic to look
> as much as possible like before, and added a regression test.
Thanks!
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Álvaro Herrera https://www.2ndQuadrant.com/
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