Re: [HACKERS] atttypmod now 32 bits, interface change

> Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> writes:
> > Might be my atttypmod changes. I did not make those version-sensitive.
> > I will do that now.
>
> Yes, if we want to have backward compatibility as I just defined it,
> then the backend will have to send atttypmod as either 2 or 4 bytes
> depending on ProtocolVersion. Shouldn't be too hard. But I'm concerned
> that you and I both missed that initially. We had better actually test
> that the current backend sources will work with a 6.3.2-release frontend.

Already done. We never passed atttypmod to the backend before 6.4, so
the change it just to pass it or not pass it, and Tom already did that.
The fact that the internal length was 2 and is not 4 is not relevant
because we never passed it to the frontend in the past.

if (PG_PROTOCOL_MAJOR(FrontendProtocol) >= 2)
pq_putint(attrs[i]->atttypmod, sizeof(attrs[i]->atttypmod...

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