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How to use function PointN? - Mailing list pgsql-sql

From	Nemo Terry
Subject	How to use function PointN?
Date	May 7, 2007 08:07:10
Msg-id	BAY19-F26CCC320397172DE70B66F5450@phx.gbl Whole thread Raw
Responses	Re: How to use function PointN?
List	pgsql-sql

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select PointN(envelope(polyline),1) from highway;
return null,why?

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From: Robins
Date: 07 May 2007, 02:03:22
Subject: Re: ROW_NUMBER alias

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Date: 07 May 2007, 09:01:29
Subject: syntax error in "createdb"

How to use function PointN? - Mailing list pgsql-sql

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