pitrou commented on code in PR #34: URL: https://github.com/apache/parquet-site/pull/34#discussion_r1635018222
########## content/en/docs/File Format/implementationstatus.md: ########## @@ -0,0 +1,101 @@ +--- +title: "Implementation status" +linkTitle: "Implementation status" +weight: 8 +--- +### Physical types + +| Data type | C++ | Java | Go | Rust | +| ----------------------------------------- | ----- | ------ | ----- | ----- | +| BOOLEAN | | | | | +| INT32 | | | | | +| INT64 | | | | | +| INT96 | | | | | +| FLOAT | | | | | +| DOUBLE | | | | | +| BYTE_ARRAY | | | | | +| FIXED_LEN_BYTE_ARRAY | | | | | + +### Logical types + +| Data type | C++ | Java | Go | Rust | +| ----------------------------------------- | ----- | ------ | ----- | ----- | +| STRING | | | | | +| ENUM | | | | | +| UUID | | | | | +| 8 and 16 bit signed INT | | | | | +| 8, 16, 32, 64 bit unsigned INT | | | | | +| DECIMAL (INT32) | | | | | +| DECIMAL (INT64) | | | | | +| DECIMAL (BYTE_ARRAY) | | | | | +| DECIMAL (FIXED_LEN_BYTE_ARRAY) | | | | | +| DATE | | | | | +| TIME (INT32) | | | | | +| TIME (INT64) | | | | | +| TIMESTAMP (INT32) | | | | | +| TIMESTAMP (INT64) | | | | | +| INTERVAL | | | | | +| JSON | | | | | +| BSON | | | | | +| LIST | | | | | +| MAP | | | | | +| UNKNOWN | | | | | + +### Encoding + +| Encoding | C++ | Java | Go | Rust | +| ----------------------------------------- | ----- | ------ | ----- | ----- | +| PLAIN | | | | | +| PLAIN_DICTIONARY | | | | | +| RLE_DICTIONARY | | | | | +| RLE | | | | | +| BIT_PACKED | | | | | +| DELTA_BINARY_PACKED | | | | | +| DELTA_LENGTH_BYTE_ARRAY | | | | | +| DELTA_BYTE_ARRAY | | | | | +| BYTE_STREAM_SPLIT | | | | | + +### Compression + +| Compression | C++ | Java | Go | Rust | +| ----------------------------------------- | ----- | ------ | ----- | ----- | +| UNCOMPRESSED | | | | | +| SNAPPY | | | | | +| GZIP | | | | | +| LZO | | | | | +| BROTLI | | | | | +| LZ4 | | | | | +| ZSTD | | | | | +| LZ4_RAW | | | | | + +### Other format level features + +| | C++ | Java | Go | Rust | +| ----------------------------------------- | ----- | ------ | ----- | ----- | +| xxHash Bloom filters | | | | | +| bloom filter length | | | | | +| Statistics min_value, max_value | | | | | +| Column index | | | | | +| Offset index | | | | | +| Modular encryption | | | | | +| Page CRC32 checksum | | | | | +| Modular encryption | | | | | + +### High level data API-s for parquet feature usage + +| Format | C++ | Java | Go | Rust | +| -------------------------------------------- | ----- | ------ | ----- | ----- | +| Hive-style partitioning | | | | | Review Comment: Partitioning really seems irrelevant here, especially as it can be applied to other data types such as CSV etc. Other features such as pruning using statistics, however, are definitely Parquet-related and could be mentioned. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: dev-unsubscr...@parquet.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
