jhorstmann commented on code in PR #101: URL: https://github.com/apache/parquet-site/pull/101#discussion_r1954884029
########## content/en/docs/File Format/implementationstatus.md: ########## @@ -45,66 +45,66 @@ Implementations: | Data type | C++ | Java | Go | Rust | cuDF | | ----------------------------------------- | ----- | ----- | ----- | ----- | ----- | -| STRING | ✅ | ✅ | | | ✅ | -| ENUM | ❌ | ✅ | | | ❌ | -| UUID | ❌ | ✅ | | | ❌ | -| 8, 16, 32, 64 bit signed and unsigned INT | ✅ | ✅ | | | ✅ | -| DECIMAL (INT32) | ✅ | ✅ | | | ✅ | -| DECIMAL (INT64) | ✅ | ✅ | | | ✅ | -| DECIMAL (BYTE_ARRAY) | ✅ | ✅ | | | ✅ | -| DECIMAL (FIXED_LEN_BYTE_ARRAY) | ✅ | ✅ | | | ✅ | -| DATE | ✅ | ✅ | | | ✅ | -| TIME (INT32) | ✅ | ✅ | | | ✅ | -| TIME (INT64) | ✅ | ✅ | | | ✅ | -| TIMESTAMP (INT64) | ✅ | ✅ | | | ✅ | -| INTERVAL | ✅ | ✅(*)| | | ❌ | -| JSON | ✅ | ✅(*)| | | ❌ | -| BSON | ❌ | ✅(*)| | | ❌ | -| LIST | ✅ | ✅ | | | ✅ | -| MAP | ✅ | ✅ | | | ✅ | -| UNKNOWN (always null) | ✅ | ✅ | | | ✅ | -| FLOAT16 | ✅ | ✅(*)| | | ✅ | +| STRING | ✅ | ✅ | | ✅ | ✅ | +| ENUM | ❌ | ✅ | | ✅(*)| ❌ | +| UUID | ❌ | ✅ | | ✅(*)| ❌ | +| 8, 16, 32, 64 bit signed and unsigned INT | ✅ | ✅ | | ✅ | ✅ | +| DECIMAL (INT32) | ✅ | ✅ | | ✅ | ✅ | +| DECIMAL (INT64) | ✅ | ✅ | | ✅ | ✅ | +| DECIMAL (BYTE_ARRAY) | ✅ | ✅ | | ✅ | ✅ | +| DECIMAL (FIXED_LEN_BYTE_ARRAY) | ✅ | ✅ | | ✅ | ✅ | +| DATE | ✅ | ✅ | | ✅ | ✅ | +| TIME (INT32) | ✅ | ✅ | | ✅ | ✅ | +| TIME (INT64) | ✅ | ✅ | | ✅ | ✅ | +| TIMESTAMP (INT64) | ✅ | ✅ | | ✅ | ✅ | +| INTERVAL | ✅ | ✅(*)| | ✅ | ❌ | +| JSON | ✅ | ✅(*)| | ✅(*)| ❌ | +| BSON | ❌ | ✅(*)| | ✅(*)| ❌ | +| LIST | ✅ | ✅ | | ✅ | ✅ | +| MAP | ✅ | ✅ | | ✅ | ✅ | +| UNKNOWN (always null) | ✅ | ✅ | | ✅ | ✅ | +| FLOAT16 | ✅ | ✅(*)| | ✅ | ✅ | (*): Only supported to use its annotated physical type ### Encodings | Encoding | C++ | Java | Go | Rust | cuDF | | ----------------------------------------- | ----- | ----- | ----- | ----- | ----- | -| PLAIN | ✅ | ✅ | | | ✅ | -| PLAIN_DICTIONARY | ✅ | ✅ | | | ✅ | -| RLE_DICTIONARY | ✅ | ✅ | | | ✅ | -| RLE | ✅ | ✅ | | | ✅ | -| BIT_PACKED (deprecated) | ✅ | ✅ | | | (R) | -| DELTA_BINARY_PACKED | ✅ | ✅ | | | ✅ | -| DELTA_LENGTH_BYTE_ARRAY | ✅ | ✅ | | | ✅ | -| DELTA_BYTE_ARRAY | ✅ | ✅ | | | ✅ | -| BYTE_STREAM_SPLIT | ✅ | ✅ | | | ✅ | +| PLAIN | ✅ | ✅ | | ✅ | ✅ | +| PLAIN_DICTIONARY | ✅ | ✅ | | ✅ | ✅ | +| RLE_DICTIONARY | ✅ | ✅ | | ✅ | ✅ | +| RLE | ✅ | ✅ | | ✅ | ✅ | +| BIT_PACKED (deprecated) | ✅ | ✅ | | ❌ | (R) | Review Comment: Important to remember that boolean data is bitpacked, but for that type that is the PLAIN encoding. The [documentation](https://github.com/apache/parquet-format/blob/master/Encodings.md#bit-packed-deprecated-bit_packed--4) says > Note that the BIT_PACKED encoding method is only supported for encoding repetition and definition levels. -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
