We are implementing Parquet features gradually, and the table below outlines the current status. If the feature is not listed here it's not supported yet.
| Feature | Reader | Writer |
|---|---|---|
| Plain encoding | yes | partial |
| Bit Packed encoding | yes | no |
| RLE/Bitpacked Hybrid encoding | yes | no |
| Plain Dictionary encoding | yes | no |
| Delta encoding | no | no |
| Data-length byte array encoding | no | no |
| Delta strings encoding | no | no |
| GZIP Compression | yes | yes |
| SNAPPY Compression | yes | yes |