Esteban Zimanyi <ezimanyi(at)ulb(dot)ac(dot)be> writes:
> When debugging the function with gdb, I noticed that the rsinfo variable of
> the PostgreSQL function ExecMakeFunctionResultSet is modified in the
> macro SRF_RETURN_NEXT causing the problem. Any idea how to solve this?
Well, what SRF_RETURN_NEXT thinks it's doing is
rsi->isDone = ExprMultipleResult; \
which surely shouldn't change the returnMode field. At this point
I'm guessing that you are compiling the PG headers with some compiler
pragma that changes the struct packing rules. Don't do that.
regards, tom lane