Re: pg_dump and psql disagree on numerical precision (powerpc)

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От Christof Petig
Тема Re: pg_dump and psql disagree on numerical precision (powerpc)
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Msg-id 3FB4F8FE.6020209@petig-baender.de
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Ответ на Re: pg_dump and psql disagree on numerical precision (powerpc)  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: pg_dump and psql disagree on numerical precision (powerpc)
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Tom Lane schrieb:
> Christof Petig <christof@petig-baender.de> writes:
>
>>COPY test (x) FROM stdin;
>>0.29999999999999999
>>\.
>
>
> This is not a bug; it's pg_dump trying to recreate the actual floating
> point value as accurately as it can.  See the discussion of
> extra_float_digits from six months or a year back.

Oh, I see (and generally appreciate). Thank you for reminding me.

Commenting out "set extra_float_digits=2" in pg_dump.c gives me the old
behaviour. Is it only me wishing for a command line parameter for
pg_dump to set desired precision?

    Christof

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