From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Andres Freund <andres@anarazel.de>
Cc: Alexey Bashtanov <bashtanov@imap.cc>
Cc: Peter Eisentraut <peter.eisentraut@2ndquadrant.com>
Cc: PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Subject: Re: log bind parameter values on error
Date: Fri, 6 Dec 2019 18:47:26 -0300
Message-ID: <20191206214726.GA4669@alvherre.pgsql> (raw)
In-Reply-To: <CAFj8pRCM_sdygW5w3FJ1vpX=dNTRGj+YBqt1b8Zr64WX88ASyw@mail.gmail.com>
On 2019-Dec-06, Pavel Stehule wrote:
> pá 6. 12. 2019 v 18:57 odesílatel Alvaro Herrera <alvherre@2ndquadrant.com>
> napsal:
> > (It seems a bit weird that if I assign NULL to :two pgbench stores the
> > empty string, instead of the NULL that I get as in the above which is
> > what happens when the variable is not defined at all. That's probably a
> > bug in \gset ...)
>
> psql session variables cannot to hold NULL
I also just learned that the :foo expansion in pgbench behaves crazily
when in normal query mode, particularly re. quotes in variables.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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To: pgsql-hackers@postgresql.org
Cc: alvherre@2ndquadrant.com, pavel.stehule@gmail.com, tgl@sss.pgh.pa.us, andres@anarazel.de, bashtanov@imap.cc, peter.eisentraut@2ndquadrant.com
Subject: Re: log bind parameter values on error
In-Reply-To: <20191206214726.GA4669@alvherre.pgsql>
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