Carlos Moreno <moreno_pg@xxxxxxxxxxx> writes: > The problem is, when I execute the SQL statement: > create or replace function sha1 .... ; > for the second time (i.e., after making modifications and > recompiling), the *backend* crashes Getting a stack trace from that core dump might be illuminating. Better yet, attach to the backend with gdb before you execute the crash-triggering statement, and let gdb trap the crash. regards, tom lane