On Wed, Oct 4, 2017 at 10:11 AM, Michael Paquier
<michael.paqu...@gmail.com> wrote:
> 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.

OK, here's v4, which does it that way.

Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Attachment: 64-bit-queryid-v4.patch
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