"Qayed" <qayedjohar(at)gmail(dot)com> writes:
> While trying to connect to postgresql database i m gettting this error,
> FATAL:could not open relation "pg_trigger_tgrelid_tgname_index":Permission
> denied.
Apparently the database server is unable to open its own files due to
filesystem permission checks. Perhaps you started the server process
under the wrong user name?
regards, tom lane