From: | James Cloos <cloos(at)jhcloos(dot)com> |
---|---|
To: | <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Floating point error |
Date: | 2013-03-02 23:11:31 |
Message-ID: | m34ngt75xf.fsf@carbon.jhcloos.org |
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Lists: | pgsql-general pgsql-hackers |
>>>>> "TD" == Tom Duffey <tduffey(at)trillitech(dot)com> writes:
TD> We have a script thatb uses COPY to transfer a subset of rows
TD> from a very large production table to a test table. The script
TD> was not setting extra_float_digits so the values did not match
TD> even though they appeared to match when running queries in psql.
Incidently, this is a prime example of where the hexidecimal format
for floats would benefit pg, as it makes the text format for floats
just as suitable for round-tripping as the binary format.
-JimC
--
James Cloos <cloos(at)jhcloos(dot)com> OpenPGP: 1024D/ED7DAEA6
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