Sergey - That's an interesting option, but I'm not sure how to use it as an aggregate. Could you give an example? On 12/20/12, Sergey Konoplev <gray.ru@xxxxxxxxx> wrote: > On Wed, Dec 19, 2012 at 5:28 PM, Robert James <srobertjames@xxxxxxxxx> > wrote: >> And even better: >> An aggregate which will return the first instance that meets a certain >> predicate? > > Take a look at DISTINCT ON. > > -- > 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
