| From: | Richard Guo <guofenglinux(at)gmail(dot)com> |
|---|---|
| To: | Alexander Korotkov <aekorotkov(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 06:27:57 |
| Message-ID: | CAMbWs4-siKJdtWhcbqk4Y-xG12do2Ckm1qw672GNsSnDqL9FQg@mail.gmail.com |
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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);
Thanks
Richard
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