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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