Re: Update entire column with new date values

From: "A(dot) Kretschmer" <andreas(dot)kretschmer(at)schollglas(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Update entire column with new date values
Date: 2006-07-27 15:51:51
Message-ID: 20060727155151.GA30356@webserv.wug-glas.de
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am 27.07.2006, um 10:17:48 -0500 mailte Weiss, Kevin folgendes:
> I need to update the date for each file (the "date" & "filename"
> columns). However, the updated values for date are not the same for each
> file (due to when the files were last modified). I can import the new
> date values from a text file containing the date and filename.
>
> What sort of "UPDATE" command do I use in this case? Essentially, I'm
> trying to do something like:
>
> UPDATE docs SET date = '{$input_date}'
> FROM ('C:/Temp/docupdate.txt')
> WHERE filename = '{$input_filename}';
>
> Any help is appreciated. Thanks!

Create a new table with filename and date - column and fill this table
with your text file. Then you have 2 tables and can run normal SQL to
update your table.

HTH, Andreas
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Andreas Kretschmer (Kontakt: siehe Header)
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