/* call-seq:
 *       new_cql(prefix)
 *
 * prefix: CQL notation.
 *
 * Creates a CQL query using the given CQL notation.
 *
 * Returns: a newly created ZOOM::Query object.
 */
static VALUE
rbz_query_new_cql (VALUE self, VALUE cql)
{
    ZOOM_query query;

    query = ZOOM_query_create ();
    ZOOM_query_cql (query, RVAL2CSTR (cql)); 
    
    return rbz_query_make (query);
}