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creating index using function

From: Matthew Engelbert <mje1975(at)yahoo(dot)com>
To: pgsql-novice(at)postgresql(dot)org
Subject: creating index using function
Date: 2004-11-19 20:24:52
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-novice
I would like to create an index on table ecn_sales, based on the day of year
value of a timestamp column tv_time.   However, I'm getting an error:

CREATE INDEX ecn_sales_index_day on ecn_sales (extract(DOY FROM tv_time));
ERROR:  syntax error at or near "(" at character 55

Any help would be appreciated.  Thanks.

- Matt


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Next:From: Tom LaneDate: 2004-11-20 01:19:14
Subject: Re: creating index using function
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Subject: another index scan problem

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