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 <CAKFQuwbudVTMKedFTuR+GXntRM=oZ=sCgyp1Ztg2=DUciuEbQA@mail.gmail.com> <729685.1769572320@sss.pgh.pa.us>
In-Reply-To: <729685.1769572320@sss.pgh.pa.us>
From: Ron Johnson <ronljohnsonjr@gmail.com>
Date: Tue, 27 Jan 2026 23:03:46 -0500
Message-ID: <CANzqJaCydWJm8utvhLMWy62MGRYP0qdK134WB8NzXTJf=KUEPg@mail.gmail.com>
Subject: Re: Attempting to delete excess rows from table with BATCH DELETE
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: "David G. Johnston" <david.g.johnston@gmail.com>, Gus Spier <gus.spier@gmail.com>, 
	pgsql-general <pgsql-general@lists.postgresql.org>
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On Tue, Jan 27, 2026 at 10:52=E2=80=AFPM Tom Lane <tgl@sss.pgh.pa.us> wrote=
:

> "David G. Johnston" <david.g.johnston@gmail.com> writes:
> > On Tuesday, January 27, 2026, Gus Spier <gus.spier@gmail.com> wrote:
> >> I write a procedure to accomplish all this work but it persists in
> >> returning a error to the effect that a COMMIT is not valid in a block
> >> tht tries to DELETE data.
>
> > Haven=E2=80=99t tested to be sure but this doesn=E2=80=99t seem like a =
community edition
> > limitation.
>
> Yeah, you can definitely do that in standard Postgres (at least since
> we invented procedures).


Hmm.  Must have been START TRANSACTION which I remember causing issues in D=
O
 blocks.

--=20
Death to <Redacted>, and butter sauce.
Don't boil me, I'm still alive.
<Redacted> lobster!

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<div dir=3D"ltr"><div dir=3D"ltr">On Tue, Jan 27, 2026 at 10:52=E2=80=AFPM =
Tom Lane &lt;<a href=3D"mailto:tgl@sss.pgh.pa.us">tgl@sss.pgh.pa.us</a>&gt;=
 wrote:</div><div class=3D"gmail_quote gmail_quote_container"><blockquote c=
lass=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px soli=
d rgb(204,204,204);padding-left:1ex">&quot;David G. Johnston&quot; &lt;<a h=
ref=3D"mailto:david.g.johnston@gmail.com" target=3D"_blank">david.g.johnsto=
n@gmail.com</a>&gt; writes:<br>
&gt; On Tuesday, January 27, 2026, Gus Spier &lt;<a href=3D"mailto:gus.spie=
r@gmail.com" target=3D"_blank">gus.spier@gmail.com</a>&gt; wrote:<br>
&gt;&gt; I write a procedure to accomplish all this work but it persists in=
<br>
&gt;&gt; returning a error to the effect that a COMMIT is not valid in a bl=
ock<br>
&gt;&gt; tht tries to DELETE data.<br>
<br>
&gt; Haven=E2=80=99t tested to be sure but this doesn=E2=80=99t seem like a=
 community edition<br>
&gt; limitation.<br>
<br>
Yeah, you can definitely do that in standard Postgres (at least since<br>
we invented procedures).</blockquote><div><br></div><div>Hmm.=C2=A0 Must ha=
ve been=C2=A0<span style=3D"background-color:rgb(248,249,250);color:rgb(0,0=
,0);font-family:monospace,monospace;font-size:14.4px">START TRANSACTION</sp=
an>=C2=A0which I remember causing issues in=C2=A0<code class=3D"gmail-comma=
nd" style=3D"box-sizing:border-box;font-family:monospace,monospace;font-siz=
e:14.4px;color:rgb(0,0,0);background-color:rgb(248,249,250);border-radius:0=
.25rem;margin:0.6rem 0px">DO</code><span style=3D"color:rgb(0,0,0);font-fam=
ily:&quot;Open Sans&quot;,sans-serif;font-size:14.4px">=C2=A0</span>blocks.=
</div><div><br></div></div><span class=3D"gmail_signature_prefix">-- </span=
><br><div dir=3D"ltr" class=3D"gmail_signature"><div dir=3D"ltr">Death to &=
lt;Redacted&gt;, and butter sauce.<div>Don&#39;t boil me, I&#39;m still ali=
ve.<br><div><div>&lt;Redacted&gt; lobster!</div></div></div></div></div></d=
iv>

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