RE: SQL help with pulling an environment variable into a default

From: Gogala, Mladen <MGogala_at_oxhp.com>
Date: Thu, 25 Jan 2001 12:02:22 -0500
Message-Id: <10752.127508@fatcity.com>

The only way to do that would be an external function. Unfortunately, there is no such thing in 7.3.4. If the guy named Yossarian is reading this, he might add a thing or two....

-----Original Message-----
From: Jeff Cox [mailto:jeff.cox_at_ips-sendero.com] Sent: Thursday, January 25, 2001 11:46 AM To: Multiple recipients of list ORACLE-L Subject: SQL help with pulling an environment variable into a default value

Hello SQL fanatics,

I am having no luck with trying what I wish to do (Oracle 7.3.4 on NT) and cannot seem to find it in any documentation. Hope somebody from this list can either tell me how to do it or tell me that it cannot be done.

I am trying to add a column to the test table so the default value of the column will pull the %SVDIR% environment variable (Which is a drive letter, usually C: or D:) and then add '\FTP\' after the drive letter.

This is what I tried, and the output is NOT what I want **** ALTER TABLE test ADD (rpt_file_path VARCHAR2(256) DEFAULT '%SVDIR%\FTP\');

SVRMGR> SELECT rpt_file_path FROM test;
RPT_FILE_PATH

%SVDIR%\FTP\

This IS the output that I desire (The SVDIR environment variable is set to D:)**** SVRMGR> SELECT rpt_file_path FROM test; RPT_FILE_PATH
D:\FTP\

TIA, Jeff Cox
IPS-Sendero
Scottsdale, AZ

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Author: Jeff Cox
INET: jeff.cox_at_ips-sendero.com

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