Re: Flat File unload/export/copy

And why can't you use copy?
 
Something like below -
 
COPY (SELECT * FROM sometable WHERE somevalue LIKE '%') TO
'/path/to/textfile.csv'

WITH NULL As 'NULL' CSV HEADER QUOTE AS '"';

 


________________________________

From: pgsql-novice-owner@postgresql.org
[mailto:pgsql-novice-owner@postgresql.org] On Behalf Of Steve T
Sent: Friday, September 12, 2008 11:16 AM
To: PostGreSQL
Subject: [NOVICE] Flat File unload/export/copy


Is there a command that copies data from a table to a flat file for
specified selection criteria?
IE akin to a copy but not dumping a whole file?
If I'm about to do a major change to data in a table, I'd like to be
able to keep a copy of the data before the change (I know I can
Begin...rollback should things go wrong).

Is there a command that I've missed? (Informix had an 'UNLOAD TO blah
SELECT blah..' type command which presumably was proprietary). 
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