From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
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To: | Michel Pelletier <pelletier(dot)michel(at)gmail(dot)com> |
Cc: | pgsql-hackers(at)lists(dot)postgresql(dot)org |
Subject: | Re: Using Expanded Objects other than Arrays from plpgsql |
Date: | 2024-10-24 02:10:31 |
Message-ID: | 2351536.1729735831@sss.pgh.pa.us |
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Lists: | pgsql-general pgsql-hackers |
Michel Pelletier <pelletier(dot)michel(at)gmail(dot)com> writes:
> On Wed, Oct 23, 2024 at 8:21 AM Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> 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
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