Hello!

Is there any example could help in usage
of COPY BINARY since I am a little bit discouraged by this part of PG manual

==
To determine the appropriate binary format for the actual tuple data you should 
consult the PostgreSQL source, in particular the *send and *recv functions for 
each column's data type (typically these functions are found in the 
src/backend/utils/adt/ directory of the source distribution).
==

I use libpq.

And question number 0: how big perfomance difference between TEXT and BINARY 
formats ?

Thanks.

-- 
Best regards
Ilja Golshtein

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