From: | "Urs Rau (UK)" <urs(dot)rau(at)uk(dot)om(dot)org> |
---|---|
To: | pgsql-novice(at)postgresql(dot)org |
Subject: | Re: how to continue after error in batch mode with psql |
Date: | 2010-05-06 08:05:39 |
Message-ID: | 4BE27853.4050307@uk.om.org |
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Thread: | |
Lists: | pgsql-novice |
Hi jr
jr wrote:
> hi Urs,
>
> this is perhaps not what you meant but...
>
Actually, this in-line-filter idea is exactly what I had in mind as the
worst-case laborious work around when I wrote my email. Laborious?
Laborious because there are 350+ tables that we fetch each night and I
did not fancy writing and parsing 350+ tables on each run.
The idea of a temp table was the sort of hint I hoped to get off the
list. And I got it. ;-) Now having run this for a few days, we start to
realise that maybe we still have to run it through an in-line-filter as
we keep getting new errors or overruns in new places. So we might have
to generate 350+ in-line-filters and run them each night.
BTW, there is a really neat trick that I stumbled across recently that
we plan to use for logging the actions of the filter. It's a technique
that allows us to have the stdout and stderr of the filter in a log
file, but also get the stderr out separately, so 'cron', which runs the
filter nightly, can email us the errors or failures.
(((filter-progress-db.sh | tee -a /var/log/progress-db-mirror) \
3>&1 1>&2 2>&3 | tee -a /var/log/progress-db-mirror) \
3>&1 1>&2 2>&3) >/dev/null
When the above command is run from cron, it will log everything to the
file and if anything goes wrong, stderr will go to the console, which
gets e-mailed to an administrator. If desired, you could also log stdout
and stderr to two distinct files.
It's taken from
> I'd use a simple script to filter out the offending lines before they go
> into the database, like the following written in Tcl (but you could
> write this in almost any language):
>
> ----------<snip>----------
> #!/usr/bin/tclsh
I guess in my case this would have to be perl. ;-)
> HTH
Thanks, yes it did. I like this list.
Regards,
--
Urs Rau
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