Re: POC PATCH: copy from ... exceptions to: (was Re: VLDB Features)

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От Andres Freund
Тема Re: POC PATCH: copy from ... exceptions to: (was Re: VLDB Features)
Дата
Msg-id 20231109002600.fuihn34bjqqgmbjm@awork3.anarazel.de
обсуждение исходный текст
Ответ на Re: POC PATCH: copy from ... exceptions to: (was Re: VLDB Features)  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: POC PATCH: copy from ... exceptions to: (was Re: VLDB Features)  (Damir Belyalov <dam.bel07@gmail.com>)
Список pgsql-hackers
Hi,

On 2023-11-08 19:00:01 -0500, Tom Lane wrote:
> Andres Freund <andres@anarazel.de> writes:
> > On 2023-11-08 13:18:39 -0500, Tom Lane wrote:
> >> I think an actually usable feature of this sort would involve
> >> copying all the failed lines to some alternate output medium,
> >> perhaps a second table with a TEXT column to receive the original
> >> data line.
> 
> > If we go in that direction, we should make it possible to *not* use such a
> > table as well, for some uses it'd be pointless.
> 
> Why?  You can always just drop the errors table if you don't want it.

I think it'll often just end up littering the database, particularly if the
callers don't care about a few errors.


> But I fail to see the use-case for ignoring errors altogether.

My experience is that there's often a few errors due to bad encoding, missing
escaping etc that you don't care sufficiently about when importing large
quantities of data.

Greetings,

Andres Freund



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