Hi there,

My question relates to trying to implement the binary transmission protocol for an Array type. I understand that the only place the format is documented is in the Postgres C source code.

I've had a look through it and it seems comprehensible enough (to a non-C programmer), but I was wondering how the following expression would evaluate:

// arrayfuncs.c, in array_recv element_type = pq_getmsgint(buf, sizeof(Oid));

or more specifically, the

int size = sizeof(Oid);

expression. Knowing this value would mean knowing how many bytes describing the Oid to transmit.

Cheers

Michael

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