| From: | Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com> |
|---|---|
| To: | Andrew Dunstan <andrew(at)dunslane(dot)net> |
| Cc: | Taha Naveed <m(dot)taha(dot)naveed27(at)gmail(dot)com>, Andres Freund <andres(at)anarazel(dot)de>, Peter Eisentraut <peter(at)eisentraut(dot)org>, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: PGQ catalog representation and pg_dump support |
| Date: | 2026-09-10 15:47:56 |
| Message-ID: | CAExHW5vSJr-gkBcT6BZ2w05+OBPJb_bEyDfNw_Kf7LDbS_-bZw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Aug 23, 2026 at 8:52 PM Andrew Dunstan <andrew(at)dunslane(dot)net> wrote:
> - GRAPH_TABLE's rewriter enumerates the full cartesian product of
> candidate paths with no bound on breadth. A short EXPLAIN over a
> middling multi-element pattern — SELECT on someone else's graph is
> enough, or
> just the default TEMP privilege — can OOM the backend bringing down
> the postmaster. That one probably belongs first in the queue.
>
This was being discussed at [1]. We will consider it in the next round.
--
Best Wishes,
Ashutosh Bapat
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