Index - U
| UINT_16 | Parquet.ThriftTypes |
| UINT_32 | Parquet.ThriftTypes |
| UINT_64 | Parquet.ThriftTypes |
| UINT_8 | Parquet.ThriftTypes |
| UNCOMPRESSED | Parquet.ThriftTypes |
| unField | Parquet.ThriftTypes |
| Url | Parquet.Reader |
| UTF8 | Parquet.ThriftTypes |
| UUIDType | |
| 1 (Type/Class) | Parquet.ThriftTypes |
| 2 (Data Constructor) | Parquet.ThriftTypes |