Re: psql & unix env variables

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От Little, Douglas
Тема Re: psql & unix env variables
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Msg-id 8585BA53443004458E0BAA6134C5A7FBB0195824@EGEXCMB01.oww.root.lcl
обсуждение исходный текст
Ответ на Re: psql & unix env variables  (Ryan Kelly <rpkelly22@gmail.com>)
Ответы Re: psql & unix env variables  (Achilleas Mantzios <achill@smadev.internal.net>)
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Thanks


-----Original Message-----
From: Ryan Kelly [mailto:rpkelly22@gmail.com]
Sent: Wednesday, August 29, 2012 12:41 PM
To: Little, Douglas
Cc: PostgreSQL General (pgsql-general@postgresql.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
isdone 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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