Re: Logg errors during UPDATE

Neiter LOG ERRORS nor REJECT LIMIT are implemented in PostgreSQL,
though I agree they may be useful. Both can be simulated with a custom
stored procedure which loops over a cursor and updates row-by-row,
trapping errors along the way. This will, of course, be slower.

regards,

Ivan Pavlov

On Dec 12, 4:34 am, spam_ea(dot)(dot)(dot)(at)gmx(dot)net (Thomas Kellerer) wrote:
> Hi,
>
> with Oracle I have the ability to tell the system to log errors during a long transaction into a separate table and proceed with the statement. This is quite handy when updating large tables and the update for one out of a million rows fails.
>
> The syntax is something like this:
>
> UPDATE <affecting a lot of rows>
> LOG ERRORS INTO target_log_table;
>
> Any row that can not be updated will logged into the specified table (which needs to have a specific format of course) and the statement continues. You can add a limit on how many errors should be "tolerated".
> This works for INSERT and DELETE as well.
>
> Is there something similar in Postgres? Or a way how I could simulate this?
>
> Cheers
> Thomas
>
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