pg_end_copy() syncs the PostgreSQL frontend (usually a web server process) with the PostgreSQL server after doing a copy operation performed by pg_put_line(). pg_end_copy() pg_end_copy() syncs the PostgreSQL frontend (usually a web server process) with the PostgreSQL server after doing a copy operation performed by pg_put_line(). pg_end_copy() must be issued, otherwise the PostgreSQL server may get out of sync with the frontend and will report an error.
pg_end_copy() syncs PostgreSQL frontend with the backend after doing a copy operation. It must be issued or the backend may get "out of sync" with the frontend. Returns TRUE if successfull, FALSE otherwise.