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Re: Extract Function

From: Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com>
To: Derrick Betts <Derrick(at)Blue-Axis(dot)com>
Cc: pgsql-novice(at)postgresql(dot)org
Subject: Re: Extract Function
Date: 2004-03-26 18:56:44
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-novice
On Fri, 19 Mar 2004, Derrick Betts wrote:

> I am trying to use the EXTRACT function in pl/pgsql and running into a problem.
> This is the command:
> The variable_name is of type text (I've also tried it as type
> timestamp), but the parser breaks when it attempts to perform this
> function.  It works great when I substitute the variable_name with
> '2004-1-10 00:00:00' , however, when I use a variable, it doesn't.

TIMESTAMP <foo> is meant for timestamp literals.  If you want to
convert a value from one type to another, you probably want something
like CAST(variable_name AS TIMESTAMP)

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