Brent Wood <pcreso(at)yahoo(dot)com> schrieb:
>
> Hi,
>
> I can specify the text used to represent a null value in output from copy, but I'd like to do something similar is select output, eg: all NULL values are represented by NA or NaN.
COALESCE:
test=*# select coalesce(NULL, 'NaN');
coalesce
----------
NaN
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." (unknown)
Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°