Re: COPY between 7.4.x and 8.3.x

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От Francisco Reyes
Тема Re: COPY between 7.4.x and 8.3.x
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Msg-id 069ec26c673cadab5f65dc065af24a24@stringsutils.com
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Ответ на Re: COPY between 7.4.x and 8.3.x  (Jack Orenstein <jack.orenstein@hds.com>)
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On 6:01 pm 07/21/08 Jack Orenstein <jack.orenstein@hds.com> wrote:
> to this:
> psql -h $SOURCE_HOST ... -c "copy binary $SOURCE_SCHEMA.$SOURCE_T
> ABLE to
> stdout" |\
>      psql ... -c "copy binary $TARGET_SCHEMA.$TARGET_TABLE from stdin"

http://www.postgresql.org/docs/8.3/interactive/sql-copy.html

>>The BINARY key word causes all data to be stored/read as binary format
>>rather than as text. It is somewhat faster than the normal text mode, but a
>>binary-format file is less portable across machine architectures and
>>PostgreSQL versions.<<

I would suggest to not go that route.
However, you could just test it and see if it works.
If you are doing multiple tables I still think you should consider pg_dump
-Fc. You can restore just the data without the DDL.


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