From: | Eduardo Morras <nec556(at)retena(dot)com> |
---|---|
To: | Tim Uckun <timuckun(at)gmail(dot)com>, pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Backing up through a database connection (not pg_dump) |
Date: | 2012-03-27 08:15:21 |
Message-ID: | 4EFDA8060142B294@ |
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Lists: | pgsql-general |
At 01:05 27/03/2012, Tim Uckun wrote:
>Is there a way to backup a database or a cluster though a database
>connection? I mean I want to write some code that connects to the
>database remotely and then issues a backup command like it would issue
>any other SQL command. I realize the backups would need to reside on
>the database server.
You can use a stored procedure with this pl
http://plsh.projects.postgresql.org/ , like this:
CREATE FUNCTION dump_db(text, text) RETURNS text AS '
#!/bin/sh
pg_dump $1 > $2
' LANGUAGE plsh;
Note that you must CREATE LANGUAGE first, $1 is db_name, $2 is file
name and check for write permissions of $2. Be careful and check your
security because any shell script will run as postgres user. Don't
know if it works with 9.x+ versions of postgres.
HTH
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