Both work (to_char and casting to numeric) Thanks ! -----Original Message----- From: pgsql-general-owner@xxxxxxxxxxxxxx [mailto:pgsql-general-owner@xxxxxxxxxxxxxx] On Behalf Of Andreas Kretschmer Sent: Thursday, December 06, 2007 1:46 PM To: pgsql-general@xxxxxxxxxxxxxx Subject: Re: reformatting floats ? Gauthier, Dave <dave.gauthier@xxxxxxxxx> schrieb: > > > Hi: > > if... > create table coords (id int, x float, y float); > then... > insert into coords (id,x,y) values (1,1.000,2.001) > and then... > select * from coords > i get... > 1,1,2.001 > i want... > 1.1.000,2.001 > while retaining the numeric nature of the x,y data (for math ops in other > operations). > > How can I reformat the float output (sort of like using %5.3f in good-ole C) CAST it to numeric ;-) test=# create table coords (id int, x float, y float); CREATE TABLE Time: 4.437 ms test=*# insert into coords (id,x,y) values (1,1.000,2.001); INSERT 0 1 Time: 4.831 ms test=*# select id, x::numeric(10,3), y::numeric(10,3) from coords; id | x | y ----+-------+------- 1 | 1.000 | 2.001 Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknow) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889° ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match ---------------------------(end of broadcast)--------------------------- TIP 3: Have you checked our extensive FAQ? http://www.postgresql.org/docs/faq
