| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Peter Geoghegan <pg(at)bowt(dot)ie> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Andrei Lepikhov <lepihov(at)gmail(dot)com>, Alena Rybakina <a(dot)rybakina(at)postgrespro(dot)ru>, jian he <jian(dot)universality(at)gmail(dot)com>, Nikolay Shaplov <dhyan(at)nataraj(dot)su>, pgsql-hackers(at)lists(dot)postgresql(dot)org, pgsql-hackers(at)postgresql(dot)org, Marcos Pegoraro <marcos(at)f10(dot)com(dot)br>, teodor(at)sigaev(dot)ru, Peter Eisentraut <peter(at)eisentraut(dot)org>, Ranier Vilela <ranier(dot)vf(at)gmail(dot)com> |
| Subject: | Re: POC, WIP: OR-clause support for indexes |
| Date: | 2024-10-07 16:02:10 |
| Message-ID: | 1663644.1728316930@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Peter Geoghegan <pg(at)bowt(dot)ie> writes:
> To be clear, I don't think that it's essential that we have equivalent
> behavior in those cases where the patch applies its transformations. I
> have no objections to committing the patch without any handling for
> that.
Oy. I don't agree with that *at all*. An "optimization" that changes
query semantics is going to be widely seen as a bug.
regards, tom lane
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