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Re: Problem with java infinity mapping to postgres real column type


  • From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
  • To: Kris Jurka <books(at)ejurka(dot)com>
  • Cc: Johan Miller <johanmiller(at)gmail(dot)com>, pgsql-jdbc(at)postgresql(dot)org
  • Subject: Re: Problem with java infinity mapping to postgres real column type
  • Date: Thu, 17 Jul 2008 01:15:34 -0400
  • Message-id: <13936.1216271734@sss.pgh.pa.us> <text/plain>

Kris Jurka <books(at)ejurka(dot)com> writes:
> Actually the problem is:
> jurka=# select 'infinity'::float8::float4;
> ERROR:  type "real" value out of range: overflow

Well, that's definitely a problem, but what PG version are you testing
on what platform?  I get this using CVS HEAD on Fedora 9, Darwin, and
HPUX:

regression=# select 'infinity'::float8::float4;
  float4  
----------
 Infinity
(1 row)

I suspect that you aren't getting true "Infinity" from
'infinity'::float8 in the first place, but some large number,
which then fails to fit into float4.

			regards, tom lane



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