| From: | Alexander Korotkov <aekorotkov(at)gmail(dot)com> |
|---|---|
| To: | Richard Guo <guofenglinux(at)gmail(dot)com> |
| Cc: | Andrei Lepikhov <lepihov(at)gmail(dot)com>, jian he <jian(dot)universality(at)gmail(dot)com>, Robert Haas <robertmhaas(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, Peter Geoghegan <pg(at)bowt(dot)ie>, 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>, Alena Rybakina <a(dot)rybakina(at)postgrespro(dot)ru> |
| Subject: | Re: POC, WIP: OR-clause support for indexes |
| Date: | 2024-11-25 07:08:41 |
| Message-ID: | CAPpHfduPWu6auMbR3SqmcJs0Ju459PHgy96MySUSxVScUJMxBA@mail.gmail.com |
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| Lists: | pgsql-hackers |
Hi, Richard!
On Mon, Nov 25, 2024 at 8:28 AM Richard Guo <guofenglinux(at)gmail(dot)com> wrote:
> On Thu, Nov 21, 2024 at 3:34 PM Alexander Korotkov <aekorotkov(at)gmail(dot)com> wrote:
> > I'm going to push this if no objections.
>
> Here is an Assert failure in match_orclause_to_indexcol.
>
> create table t (a int);
> create index on t (a);
>
> # explain select * from t where a <= 0 or a <= 1;
> server closed the connection unexpectedly
>
> The assertion is that the collected Const values cannot be NULL and
> cannot be zero. The latter part about zero values doesn't make sense
> to me. Why can't the values be zero?
>
> Assert(!value->constisnull && value->constvalue);
Yes, this is a dumb assertion. Removed.
------
Regards,
Alexander Korotkov
Supabase
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