| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Joe Conway <mail(at)joeconway(dot)com> |
| Cc: | Andrew Dunstan <andrew(at)dunslane(dot)net>, Davin Shearer <davin(at)apache(dot)org>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Emitting JSON to file using COPY TO |
| Date: | 2023-12-06 16:26:35 |
| Message-ID: | 1110315.1701879995@sss.pgh.pa.us |
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| Lists: | pgsql-general pgsql-hackers |
Joe Conway <mail(at)joeconway(dot)com> writes:
> On 12/6/23 10:44, Tom Lane wrote:
>> In particular, has anyone done any performance testing?
> I will devise some kind of test and report back. I suppose something
> with many rows and many narrow columns comparing time to COPY
> text/csv/json modes would do the trick?
Yeah. If it's at least in the same ballpark as the existing text/csv
formats then I'm okay with it. I'm worried that it might be 10x worse,
in which case I think we'd need to do something.
regards, tom lane
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