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Re: WHERE clause with timestamp data type

From: "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com>
To: pgsql-novice(at)postgresql(dot)org
Subject: Re: WHERE clause with timestamp data type
Date: 2007-08-27 05:24:23
Message-ID: 20070827052423.GA13996@a-kretschmer.de (view raw or flat)
Thread:
Lists: pgsql-novice
am  Sun, dem 26.08.2007, um 21:49:29 -0700 mailte Chirag Patel folgendes:
> The following command works great,
> SELECT AVG(column) FROM table WHERE timestamp > 2007-08-23;
> 
> But when I try it with finer resolution (hour, minutes, seconds) like this, I
> get a syntax error
> SELECT AVG(heartrate) FROM heartrates WHERE timestamp > 2007-08-23 19:48:09;

Can you show us the error?


> 
> Do I need to convert from string format to total number of seconds? Any ideas
> on how to get this work?

Try: "WHERE timestamp > '2007-08-23 19:48:09'::timestamp ";


Btw.: bad idea to title a column 'timestamp', because this is a
datatype-identifier - but it works.


Andreas
-- 
Andreas Kretschmer
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