・エ）嗚呼、Postgresql

・エ）バックアップができません。。。
pg_dump: dumpClasses(): SQL command failed
pg_dump: Error message from server: server closed the connection unexpectedly
This probably means the server terminated abnormally
before or while processing the request.
pg_dump: The command was: FETCH 100 FROM _pg_dump_cursor
こんなエラーが出る。