From: Ying Lu <ying_lu@cs.concordia.ca>
To: pgsql-sql@postgresql.org
Subject: Index creation question for expression (col1 || '-' || col2)
Date: Fri, 08 Jul 2005 12:08:41 -0400
Message-ID: <42CEA509.3090507@cs.concordia.ca> (raw)
Greetings,
A question about creating index for the following expression.
CREATE INDEX idx_t1 ON test (col1 || '-' || col2);
May I know is it possible and how I may create index for the expression
such as "col1 || '-' || col2" for a table please?
Thanks a lot,
Emi
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To: pgsql-sql@postgresql.org
Cc: ying_lu@cs.concordia.ca
Subject: Re: Index creation question for expression (col1 || '-' || col2)
In-Reply-To: <42CEA509.3090507@cs.concordia.ca>
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