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Re: psql & unix env variables - Mailing list pgsql-general

From Ryan Kelly
Subject Re: psql & unix env variables
Date
Msg-id 20120829174040.GA500@llserver.lakeliving.com
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In response to psql & unix env variables  ("Little, Douglas" <DOUGLAS.LITTLE@orbitz.com>)
Responses Re: psql & unix env variables  ("Little, Douglas" <DOUGLAS.LITTLE@orbitz.com>)
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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.Little@orbitz.com<mailto:Douglas.Little@orbitz.com>
>  [cid:image001.jpg@01CD85E2.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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