On Wed, Oct 4, 2017 at 11:04 PM, Robert Haas <robertmh...@gmail.com> wrote:
> Not really; dynahash won't merge two keys just because their hash
> codes come out the same.  But you're right; that's probably not the
> best way to do it.   TBH, why do we even have pgss_hash_fn?  It seems
> like using tag_hash would be superior.

Yes, using tag_hash would be just better than any custom formula.

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