From: | "Little, Douglas" <DOUGLAS(dot)LITTLE(at)orbitz(dot)com> |
---|---|
To: | Ryan Kelly <rpkelly22(at)gmail(dot)com> |
Cc: | "PostgreSQL General (pgsql-general(at)postgresql(dot)org)" <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: psql & unix env variables |
Date: | 2012-08-29 20:00:29 |
Message-ID: | 8585BA53443004458E0BAA6134C5A7FBB0195824@EGEXCMB01.oww.root.lcl |
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Lists: | pgsql-general |
Thanks
-----Original Message-----
From: Ryan Kelly [mailto:rpkelly22(at)gmail(dot)com]
Sent: Wednesday, August 29, 2012 12:41 PM
To: Little, Douglas
Cc: PostgreSQL General (pgsql-general(at)postgresql(dot)org)
Subject: Re: [GENERAL] psql & unix env variables
On Wed, Aug 29, 2012 at 12:35:32PM -0500, Little, Douglas wrote:
> Is there a method for having unix env variables incorporated into a psql sql statement?
> Ie
> Export var='dev'
> Psql =c 'select count(*) from $var.customer;'
export FOO="bar"
psql -c "select count(*) from $FOO.customer;"
Note the double quotes. That allows your shell to interpolate the string into your query. Note that the interpolation is done by your shell, and not psql.
>
>
>
> Doug Little
>
> Sr. Data Warehouse Architect | Business Intelligence Architecture |
> Orbitz Worldwide
> 500 W. Madison, Suite 1000 Chicago IL 60661| Office 312.260.2588 |
> Fax 312.894.5164 | Cell 847-997-5741 Douglas(dot)Little(at)orbitz(dot)com<mailto:Douglas(dot)Little(at)orbitz(dot)com>
> [cid:image001(dot)jpg(at)01CD85E2(dot)C7732E50] orbitz.com<http://www.orbitz.com/> | ebookers.com<http://www.ebookers.com/> | hotelclub.com<http://www.hotelclub.com/> | cheaptickets.com<http://www.cheaptickets.com/> | ratestogo.com<http://www.ratestogo.com/> | asiahotels.com<http://www.asiahotels.com/>
>
-Ryan Kelly
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