cc1: warnings being treated as errors
exc.c: In function 'ExcRaise':
exc.c:186: warning: passing arg 1 of 'Longjmp' from incompatible pointer type
gmake[3]: *** [exc.o] Error 1

Now we have:
#if defined (JMP_BUF)
        longjmp(efp->context, 1);
#else
        siglongjmp(efp->context, 1);
#endif

cc1: warnings being treated as errors
transsup.c: In function `TransBlockGetLastTransactionIdStatus':
transsup.c:122: warning: unsigned value >= 0 is always 1
gmake[3]: *** [transsup.o] Error 1
...

is eliminated (now I can copy 2000000-table from file without memmory
exhausting).

Plus: sigjmp_buf/jmp_buf is backwards, so backend doesn't compile.

are equal.

   (old _bt_compare always returned >= 0 while comparing with P_HIKEY
   on root page - it breaks root page when _bt_insertonpg tries insert
   new minimal key into root page).
2. Fixed bug concerns "empty" pages: non-rightmost pages with only P_HIKEY
   present on it. Such pages appear after vacuum.

feature dependencies.  Thanks Kurt J. Lidl.

as ints and longs.  Touches on quite a few function args as
well.  Most other files look ok as far as Oids go...still checking
though...

Since Oids are type'd as unsigned ints, they should prolly be used
with the %ud format string in elog and sprintf messages.  Not sure
what kind of strangeness that could produce.

Darren King

Now You can do queries like

select sum(some_func(x)) from ...
select min(table1.x + table2.y) from table1, table2 where ...

and so on.

Vadim