Hello!
Please, can anyone explain me why this query doesn't work?
I'm using Postgres 6.51 on Linux(RedHat).
Thanks a lot!!
Ana Roizen
Bs.As. -Argentina
#--I create my table and insert some values
mydb=> create table sum (x float8,y float8);
CREATE
mydb=> insert into sum (x,y)values(6.5,113.21);
INSERT 40453062 1
#--this works fine!
mydb=> select x+y from sum;
?column?
--------
173.71
(1 row)
#--this doesn't work!!!!
mydb=> select * from sum where x+y=173.71;
x|y
-+-
(0 rows)
mydb=> select * from sum where x+y<173.71;
x| y
----+------
60.5|113.21
(1 row)
What is going wrong???