On Wed, Feb 20, 2013 at 2:34 PM, Nathan Boley <npboley@xxxxxxxxx> wrote: > I'm trying to store exons that must fit within a chromosome, but the > chromosomes all have different lengths, so I want a check constraint > so that location is contained within CHR_RANGE where CHR_RANGE is > taken from the chromosomes table. > > Can I add that constraint without a trigger? No, you can't. There is nothing wrong in doing it with triggers BTW. > > The archives seem to say no, but I thought I'd ask... > > http://www.postgresql.org/message-id/1288033876.6278.6.camel@xxxxxxxxxxxxxxxxx > http://www.postgresql.org/message-id/CACECd8i4P4iNqUii4Lqsw0qSthawhh3gE=AtmBDSJN25qrx15g@xxxxxxxxxxxxxx > http://www.postgresql.org/message-id/1678334.8llTyI05Te@hek506 > > Thanks, > Nathan Boley > > > -- > Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general -- Sergey Konoplev Database and Software Architect http://www.linkedin.com/in/grayhemp Phones: USA +1 415 867 9984 Russia, Moscow +7 901 903 0499 Russia, Krasnodar +7 988 888 1979 Skype: gray-hemp Jabber: gray.ru@xxxxxxxxx -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
