Re: [GENERAL] Re: [INTERFACES] the last row in a table
Stuart Rison <stuart@ludwig.ucl.ac.uk>
From: Stuart Rison <stuart@ludwig.ucl.ac.uk>
To: pgsql-general@postgresql.org
Date: 1999-03-10T11:38:39Z
Lists: pgsql-general
>On Tue, 9 Mar 1999, Marcin Grondecki wrote: > ># There is better answer, i think. Simply read smth about cursors - ># declaring, using, droping. I think this is what u need. In case of ># troubles with understanding, i'd serve with some examples in Perl. > > If it's the exact last input row you want, a trigger or rule would >be still yet better. :) Or another possibility (again, if it's the last inputed row you want) is SELECT * FROM <table> WHERE oid=( SELECT max(oid::float) FROM <table> ); I'm assuming here that the largest the oid the latest it was put in... that's right isn't it (he said, all of a sudden hesitant). Also, I could only get this to work by typecasting oid as float. Anybody know why? Regards, Stuart. +-------------------------+--------------------------------------+ | Stuart Rison | Ludwig Institute for Cancer Research | +-------------------------+ 91 Riding House Street | | Tel. (0171) 878 4041 | London, W1P 8BT, UNITED KINGDOM. | | Fax. (0171) 878 4040 | stuart@ludwig.ucl.ac.uk | +-------------------------+--------------------------------------+