DROP FUNCTION dblink_current_query (); DROP FUNCTION dblink_build_sql_update (text, int2vector, int4, _text, _text); DROP FUNCTION dblink_build_sql_delete (text, int2vector, int4, _text); DROP FUNCTION dblink_build_sql_insert (text, int2vector, int4, _text, _text); DROP FUNCTION dblink_get_pkey (text); DROP TYPE dblink_pkey_results; DROP FUNCTION dblink_exec (text,bool); DROP FUNCTION dblink_exec (text); DROP FUNCTION dblink_exec (text,text,bool); DROP FUNCTION dblink_exec (text,text); DROP FUNCTION dblink (text,bool); DROP FUNCTION dblink (text); DROP FUNCTION dblink (text,text,bool); DROP FUNCTION dblink (text,text); DROP FUNCTION dblink_close (text,text,bool); DROP FUNCTION dblink_close (text,text); DROP FUNCTION dblink_close (text,bool); DROP FUNCTION dblink_close (text); DROP FUNCTION dblink_fetch (text,text,int,bool); DROP FUNCTION dblink_fetch (text,text,int); DROP FUNCTION dblink_fetch (text,int,bool); DROP FUNCTION dblink_fetch (text,int); DROP FUNCTION dblink_open (text,text,text,bool); DROP FUNCTION dblink_open (text,text,text); DROP FUNCTION dblink_open (text,text,bool); DROP FUNCTION dblink_open (text,text); DROP FUNCTION dblink_disconnect (text); DROP FUNCTION dblink_disconnect (); DROP FUNCTION dblink_connect (text, text); DROP FUNCTION dblink_connect (text); DROP FUNCTION dblink_connect_u (text, text); DROP FUNCTION dblink_connect_u (text); DROP FUNCTION dblink_cancel_query(text); DROP FUNCTION dblink_error_message(text); DROP FUNCTION dblink_get_connections(); DROP FUNCTION dblink_get_result(text); DROP FUNCTION dblink_get_result(text, boolean); DROP FUNCTION dblink_is_busy(text); DROP FUNCTION dblink_send_query(text, text);