public inbox for [email protected]  
help / color / mirror / Atom feed
From: Tom Lane <[email protected]>
To: Michel Pelletier <[email protected]>
Cc: [email protected]
Subject: Re: Using Expanded Objects other than Arrays from plpgsql
Date: Wed, 23 Oct 2024 22:10:31 -0400
Message-ID: <[email protected]> (raw)
In-Reply-To: <CACxu=vJMqLUZR1N-AT4cXw9JHMsN=5-iYvPvKWy-CcKwz_9aBg@mail.gmail.com>
References: <CACxu=vJaKFNsYxooSnW1wEgsAO5u_v1XYBacfVJ14wgJV_PYeg@mail.gmail.com>
	<[email protected]>
	<CACxu=vLXvpzN4X3k+9jsMt6ujuOvFVUSkA80t_cROSsF4y2jQQ@mail.gmail.com>
	<[email protected]>
	<CACxu=vKEF8Qa-OaADFxf0uMg-xw6gH_CNCWd2s+xaqh-gY4=xg@mail.gmail.com>
	<[email protected]>
	<CACxu=v+t5xDh0K=tOVmFrumvAH60izWhB16a9k7f2A8jPxQEaw@mail.gmail.com>
	<[email protected]>
	<CACxu=vJMqLUZR1N-AT4cXw9JHMsN=5-iYvPvKWy-CcKwz_9aBg@mail.gmail.com>

Michel Pelletier <[email protected]> writes:
> On Wed, Oct 23, 2024 at 8:21 AM Tom Lane <[email protected]> wrote:
>> Another thing that confuses me is why there's a second flatten_matrix
>> operation happening here.  Shouldn't set_element return its result
>> as a R/W expanded object?

> That confuses me too, and my default assumption is always that I'm doing it
> wrong.  set_element does return a R/W object afaict, here is the return:
> https://github.com/OneSparse/OneSparse/blob/main/src/matrix.c#L1726

Hmph.  That seems right.  Can you add errbacktrace() to your logging
ereports, in hopes of seeing how we're getting to flatten_matrix?
Or break there with gdb for a more complete/reliable stack trace.

			regards, tom lane






view thread (6+ messages)  latest in thread

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: [email protected]
  Cc: [email protected], [email protected], [email protected]
  Subject: Re: Using Expanded Objects other than Arrays from plpgsql
  In-Reply-To: <[email protected]>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by agora; see mirroring instructions
for how to clone and mirror all data and code used for this inbox