Dataset {
    String district[district = 58];
    Grid {
     ARRAY:
        Int32 collection_id[district = 58];
     MAPS:
        String district[district = 58];
    } collection_id;
    Byte country_na[district = 58][6];
    Byte dist_na[district = 58][12];
    Grid {
     ARRAY:
        Int32 feature_id[district = 58];
     MAPS:
        String district[district = 58];
    } feature_id;
    Grid {
     ARRAY:
        Int32 geom_src_id[district = 58];
     MAPS:
        String district[district = 58];
    } geom_src_id;
    Grid {
     ARRAY:
        Int32 gid[district = 58];
     MAPS:
        String district[district = 58];
    } gid;
    Byte label[district = 58][33];
    Byte prov_na[district = 58][13];
    Sequence { Sequence { Sequence { Float64 ordinate; Float64 abscissa; } ring; } polygon; } the_geom[district = 58];
} districtquery;