Thank you Tom.
-----Original Message-----
From: Tom Lane [mailto:tgl@sss.pgh.pa.us]
Sent: Monday, January 17, 2005 5:37 PM
To: Együd Csaba
Cc: pgsql-general@postgresql.org
Subject: Re: [GENERAL] Any function for calculating inersect of intervals?
=?iso-8859-2?Q?Egy=FCd_Csaba?= <csegyud@vnet.hu> writes:
> E.g. I have four dates (D1, D2, D3, D4) and I want to know if (D1,D2)
> intersects (D3,D4) or not.
See the OVERLAPS operator:
( start1, end1 ) OVERLAPS ( start2, end2 )
http://developer.postgresql.org/docs/postgres/functions-datetime.html
regards, tom lane
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