Re: Gauging progress of COPY?

On Sat, Jan 22, 2022, 3:09 AM Magnus Hagander <magnus(at)hagander(dot)net> wrote:

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> On Thu, Jan 20, 2022, 19:01 Wells Oliver <wells(dot)oliver(at)gmail(dot)com> wrote:
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>> Is there some clever way to gauge the progress of a COPY command? i.e.
>> you know it has 10m rows, but you can't SELECT COUNT(*).
>>
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> If you can open a second connection, you can just query
> pg_stat_progress_copy.
>

If COPY FROM STDIN the client can provide feedback since it is sending line
by line.
If size known...1%...5%...
If number of rows known... 10000... 20000...

I would think even a semi capable bash script could do it.

-Greg

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