Re: POC PATCH: copy from ... exceptions to: (was Re: VLDB Features) - Mailing list pgsql-hackers

> On 7 Mar 2023, at 09:35, Damir Belyalov <dam.bel07@gmail.com> wrote:

> I felt just logging "Error: %ld" would make people wonder the meaning of
> the %ld. Logging something like ""Error: %ld data type errors were
> found" might be clearer.
>
> Thanks. For more clearance change the message to: "Errors were found: %".

I'm not convinced that this adds enough clarity to assist the user.  We also
shouldn't use "error" in a WARNING log since the user has explicitly asked to
skip rows on error, so it's not an error per se. How about something like:

  ereport(WARNING,
          (errmsg("%ld rows were skipped due to data type incompatibility", cstate->ignored_errors),
           errhint("Skipped rows can be inspected in the database log for reprocessing.")));

--
Daniel Gustafsson