Re: C Function causes backend to die in 7.4.3

Graeme Hinchliffe <graeme(dot)hinchliffe(at)zeninternet(dot)co(dot)uk> writes:

> HeapTuple rettuple;

> // Commented out code is here

> return PointerGetDatum(rettuple);

It surprises you that returning an uninitialized pointer value will
crash the code that tries to use the pointer?

I strongly recommend using a compiler that will warn about uninitialized
values. If using gcc, you should use -O1 (at least).

I dunno what the original problem was, but maybe you just neglected to
recompile the function against 7.4 headers? We don't generally
guarantee binary compatibility of user-defined functions across major
releases.

regards, tom lane