Craig Ringer <cr...@postnewspapers.com.au> writes:
> Unlike PQexecPrepared(...), binary-format COPY doesn't handle endian and
> type size issues for you. You need to convert the data to the database
> server's endianness and type sizes, but I don't think the PostgreSQL
> protocol provides any way to find those out.
The on-the-wire binary format is much better specified than you think.
(The documentation of it sucks, however.) It's big-endian in all cases
and the datatype sizes are well defined.
regards, tom lane
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