Re: Varidic function (printf) not found within a trigger

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: Vincenzo Romano <vincenzo(dot)romano(at)notorand(dot)it>
Cc: PostgreSQL General <pgsql-general(at)postgresql(dot)org>
Subject: Re: Varidic function (printf) not found within a trigger
Date: 2010-01-20 13:49:41
Message-ID: 162867791001200549m3b4205cm5d0939029f5ca6bb@mail.gmail.com
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2010/1/20 Vincenzo Romano <vincenzo(dot)romano(at)notorand(dot)it>:
> Hi all.
>
> Within a trigger function I need to call a variadic function (actually
> the printf found on  http://wiki.postgresql.org/wiki/Sprintf).
> When the trigger is fired I get the following:
>
> function printf(text, timestamp without time zone, timestamp without
> time zone, text) does not exist
> LINE 1: SELECT  printf( $l1$
>                ^
> HINT:  No function matches the given name and argument types. You
> might need to add explicit type casts.
>

you have to do explicit cast from timestamp to text

Pavel

> Is this a bug or am I missing something important?
>
> --
> Vincenzo Romano
> NotOrAnd Information Technologies
> NON QVIETIS MARIBVS NAVTA PERITVS
>
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