Function disconnectDatabase

src/fe_utils/connect_utils.c:162–181

* Disconnect the given connection, canceling any statement if one is active. */

 * Disconnect the given connection, canceling any statement if one is active.
 */
void
disconnectDatabase(PGconn *conn)
{
	char		errbuf[256];

	Assert(conn != NULL);

	if (PQtransactionStatus(conn) == PQTRANS_ACTIVE)
	{
		PGcancel   *cancel;

		if ((cancel = PQgetCancel(conn)))
		{
			(void) PQcancel(cancel, errbuf, sizeof(errbuf));
			PQfreeCancel(cancel);
		}
	}

	PQfinish(conn);
}