Re: postmaster core dumps with SPI_repalloc

"Andrey Y. Mosienko" <feo@ttn.ru> writes:
>     char*           fields_names;
>     ...
>             SPI_repalloc(fields_names, sizeof(fields_names) + 100);

Not sure what you were expecting this to do ... but you do realize
that sizeof(fields_names) is a constant here?  (Probably 4, but you
did not mention your platform.)

            regards, tom lane