shashidhar Reddy <shashidharreddy001(at)gmail(dot)com> writes:
> I could see an error in syslogs, I am not sure what it means.
> kernel: [93631.415790] postgres[86383]: segfault at 80 ip 00007f07f3e3eefd
> sp 00007fffcf1db500 error 4 in plpgsql_check.so[7f07f3e2e000+34000]
That would certainly suggest a problem in plpgsql_check.
It might or might not be related to the node-type error.
regards, tom lane