Re: 7.5 beta version

I don't think you can mix libs/binaries from different compilers.

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Dann Corbit wrote:
> I am having some trouble interfacing the 7.5 server built with MINGW
> with tools generated using other compilers.
>
> I suspect that the issue is one of default structure packing. In the
> old version we were using, we built PostgreSQL using Intel C++ or MS
> VC++ and the same for the libpq and other interfaces.
>
> Now that I have built the server and associated tools with Mingw and a
> version of the interface system with MS VC++ and Intel C++, I have
> problems using (for instance) libpq.
>
> Some character strings returned early in the struct are fine, but the
> numeric fields occurring later are garbled.
>
> Now, this issue seems like it must have happened before, since the
> server might be generated on some 64 bit platform and the interface
> library on some other platform.
>
> In particular, this function:
>
> char *PQgetvalue(const PGresult *res, int tup_num, int field_num)
> {
> if (!check_tuple_field_number(res, tup_num, field_num))
> return NULL;
> return res->tuples[tup_num][field_num].value;
> }
>
> Seems to return nonsense when I get to pointers to non-character data.
>
> Any thoughts?
>
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