| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Hongxu Ma <interma(at)outlook(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: PSQL error: total cell count of XXX exceeded |
| Date: | 2023-08-26 04:09:28 |
| Message-ID: | CAKFQuwYfypo7hMXs8a7Ccx4x2bv1XKCMu=pOoQAfq_0Fpu7YQQ@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-hackers |
On Friday, August 25, 2023, Hongxu Ma <interma(at)outlook(dot)com> wrote:
>
>
> When I tried to select a big amount of rows, psql complains a error "Cannot
> add cell to table content: total cell count of 905032704 exceeded."
>
> We should use long for ncolumns and nrows and give a more obvious error
> message here.
>
> Any thoughts? or some other hidden reasons?
>
9 millions cells seems more than realistic a limit for a psql query result
output. In any case it isn’t a bug, the code demonstrates that fact by
producing an explicit error.
I wouldn’t be adverse to an improved error message, and possibly
documenting said limit.
David J.
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