On Sun, Apr 29, 2012 at 1:51 PM, Peter Eisentraut pete...@gmx.net wrote:
I didn't find a good way to find out how many digits a numeric value has
or things like whether a numeric value is an integer. (I had to go
through bc(1) for the latter.) Functions like precision() and scale()
would
-Original Message-
From: pgsql-hackers-ow...@postgresql.org [mailto:pgsql-hackers-
ow...@postgresql.org] On Behalf Of Robert Haas
Sent: Monday, April 30, 2012 2:20 PM
To: Peter Eisentraut
Cc: pgsql-hackers
Subject: Re: [HACKERS] precision and scale functions for numeric
I think
Subject: Re: [HACKERS] precision and scale functions for numeric
I think you could test for integer-ness by testing whether val % 0 = 0.
Either I am missing something here or you are. Since Modulus is a division
function anything % 0 results in a division-by-zero ERROR - division has
to occur
David Johnston pol...@yahoo.com wrote:
I think you could test for integer-ness by testing whether val % 0 =
0.
Modulus is a division function anything % 0 results in a
division-by-zero
It seems pretty clear that he meant % 1.
test=# select '1.01'::numeric % 1;
?column?
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