Re: Attribute of type record has wrong type error with MERGE ... WHEN NOT MATCHED BY SOURCE THEN DELETE

Tender Wang <tndrwang@gmail.com>

From: Tender Wang <tndrwang@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Dean Rasheed <dean.a.rasheed@gmail.com>, Duncan Sands <duncan.sands@deepbluecap.com>, pgsql-bugs@lists.postgresql.org
Date: 2025-03-11T06:11:47Z
Lists: pgsql-bugs
Tom Lane <tgl@sss.pgh.pa.us> 于2025年3月11日周二 03:11写道:

> I wrote:
> > Yeah, I think we can likely get away with that.  We cannot back-patch
> > the changes that added relid to the outfuncs/readfuncs representation,
> > which means that the RTE's relid won't propagate to parallel workers,
> > but I don't see why they'd need it.  We only need that info to get
> > as far as planning.  I've not tried though.
>
> OK, the attached patch for v15 passes check-world, with or without
> force_parallel_mode.  I'm inclined to commit the rewriteHandler.c
> and parsenodes.h bits in a separate patch for commit log visibility.
>

The attached patch looks better than my proposed code.
LGTM.


-- 
Thanks,
Tender Wang

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Repair commits 317aba70e et al for -DWRITE_READ_PARSE_PLAN_TREES.

  2. Build whole-row Vars the same way during parsing and planning.

  3. Preserve RangeTblEntry.relid when expanding a view RTE.

  4. Fix incorrect non-strict join recheck in MERGE WHEN NOT MATCHED BY SOURCE.