Horton

Re: Reduce "Var IS [NOT] NULL" quals during constant folding

Tom Lane <tgl@sss.pgh.pa.us>

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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Richard Guo <guofenglinux@gmail.com>, David Rowley <dgrowleyml@gmail.com>, Tender Wang <tndrwang@gmail.com>, Pg Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2025-04-10T20:33:57Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Fix misuse of Relids for storing attribute numbers

  2. Reduce "Var IS [NOT] NULL" quals during constant folding

  3. Centralize collection of catalog info needed early in the planner

  4. Expand virtual generated columns before sublink pull-up

  5. Expand virtual generated columns in the planner

Robert Haas <robertmhaas@gmail.com> writes:
> It's not quite the same complaint, because the earlier complaint was
> that it was actually being done at parse time, and this complaint is
> that it is scribbling on a parse-time data structure.

Ah, right.  But that's still not the direction we want to be
going in [1].

			regards, tom lane

[1] https://www.postgresql.org/message-id/2531459.1743871597%40sss.pgh.pa.us