Function pqFlush

src/interfaces/libpq/fe-misc.c:1026–1038

* pqFlush: send any data waiting in the output buffer * * Return 0 on success, -1 on failure and 1 when not all data could be sent * because the socket would block and the connection is non-blocking. * (See pqSendSome comments about how failure should be handled.) */

 * (See pqSendSome comments about how failure should be handled.)
 */
int
pqFlush(PGconn *conn)
{
	if (conn->outCount > 0)
	{
		if (conn->Pfdebug)
			fflush(conn->Pfdebug);

		return pqSendSome(conn, conn->outCount);
	}

	return 0;
}

/*
 * pqFlushNonBlocking: