Function pqClearAsyncResult

src/interfaces/libpq/fe-exec.c:783–792

* Handy subroutine to deallocate any partially constructed async result. * * Any "next" result gets cleared too. */

 * Any "next" result gets cleared too.
 */
void
pqClearAsyncResult(PGconn *conn)
{
	if (conn->result)
		PQclear(conn->result);
	conn->result = NULL;
	if (conn->next_result)
		PQclear(conn->next_result);
	conn->next_result = NULL;
}

/*
 * This subroutine deletes any existing async result, sets conn->result