2011/4/28 Vibhor Kumar <vibhor.ku...@enterprisedb.com> > > On Apr 28, 2011, at 2:56 PM, Thomas Larsen Wessel wrote: > > > UPDATE foo SET bar = TO_VARCHAR( TO_FLOAT(bar) * 2); -- INCORRECT!!!! > > If you are sure bar contains float value, then try following: > UPDATE foo SET bar = bar::float * 2; > NB: I am sure that OP is not sure :-) And since foo.bar is varchar, it is better to use numeric instead of float :-)
> > Thanks & Regards, > Vibhor Kumar > EnterpriseDB Corporation > The Enterprise PostgreSQL Company > vibhor.ku...@enterprisedb.com > Blog:http://vibhork.blogspot.com > > > -- > Sent via pgsql-general mailing list (pgsql-general@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general > -- // Dmitriy.
