Re: Check set of date intervals
| От | A. Kretschmer |
|---|---|
| Тема | Re: Check set of date intervals |
| Дата | |
| Msg-id | 20100527102713.GC6907@a-kretschmer.de обсуждение исходный текст |
| Ответ на | Check set of date intervals (Anton Gavazuk <antongavazuk@gmail.com>) |
| Ответы |
Re: Check set of date intervals
|
| Список | pgsql-sql |
In response to Anton Gavazuk : > Hi all, > > have such relation A: > > PERIOD_ID | DATE_START | DATE_END | OTHER_ATTRIBUTES... > 1 | 01.01.2010 | 01.02.2010 .... > 2 | 03.02.2010 | 04.03.2010 ..... > ...... > > I want to search among periods for the set of periods which completely covers > passed search period. > As example - if I pass search period '15.01.2010 to 15.02.2010' the result set > must be empty because there is gap between 01.02 and 03.02. > > please, suggest an idea how to implement this in SQL without writing a > procedure. There are a really nice additional contrib module from Jeff Davis, described here: http://thoughts.j-davis.com/2010/03/09/temporal-postgresql-roadmap/ Regards, Andreas -- Andreas Kretschmer Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header) GnuPG: 0x31720C99, 1006 CCB4 A326 1D42 6431 2EB0 389D 1DC2 3172 0C99
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