Re: psql & unix env variables

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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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>
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>

-Ryan Kelly

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