This is an automated email from the ASF dual-hosted git repository.
gangwu pushed a commit to branch production
in repository https://gitbox.apache.org/repos/asf/parquet-site.git
The following commit(s) were added to refs/heads/production by this push:
new 76b2f6b Update implementation status for parquet-rs (#101)
76b2f6b is described below
commit 76b2f6bef013ad5b6dd61ea1eed014a399520eda
Author: Ed Seidl <[email protected]>
AuthorDate: Tue Feb 18 17:42:55 2025 -0800
Update implementation status for parquet-rs (#101)
---
.../en/docs/File Format/implementationstatus.md | 116 +++++++++++----------
1 file changed, 59 insertions(+), 57 deletions(-)
diff --git a/content/en/docs/File Format/implementationstatus.md
b/content/en/docs/File Format/implementationstatus.md
index 3bd1d23..4164c11 100644
--- a/content/en/docs/File Format/implementationstatus.md
+++ b/content/en/docs/File Format/implementationstatus.md
@@ -29,14 +29,14 @@ Implementations:
| Data type | C++ | Java | Go | Rust |
cuDF |
| ----------------------------------------- | ----- | ----- | ----- | ----- |
----- |
-| BOOLEAN | ✅ | ✅ | | | ✅
|
-| INT32 | ✅ | ✅ | | | ✅
|
-| INT64 | ✅ | ✅ | | | ✅
|
-| INT96 (1) | ✅ | ✅ | | | ✅
|
-| FLOAT | ✅ | ✅ | | | ✅
|
-| DOUBLE | ✅ | ✅ | | | ✅
|
-| BYTE_ARRAY | ✅ | ✅ | | | ✅
|
-| FIXED_LEN_BYTE_ARRAY | ✅ | ✅ | | | ✅
|
+| BOOLEAN | ✅ | ✅ | | ✅ | ✅
|
+| INT32 | ✅ | ✅ | | ✅ | ✅
|
+| INT64 | ✅ | ✅ | | ✅ | ✅
|
+| INT96 (1) | ✅ | ✅ | | ✅ | ✅
|
+| FLOAT | ✅ | ✅ | | ✅ | ✅
|
+| DOUBLE | ✅ | ✅ | | ✅ | ✅
|
+| BYTE_ARRAY | ✅ | ✅ | | ✅ | ✅
|
+| FIXED_LEN_BYTE_ARRAY | ✅ | ✅ | | ✅ | ✅
|
* \(1) This type is deprecated, but as of 2024 it's common in currently
produced parquet files
@@ -45,25 +45,25 @@ 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
@@ -71,40 +71,42 @@ Implementations:
| 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) |
+| DELTA_BINARY_PACKED | ✅ | ✅ | | ✅ | ✅
|
+| DELTA_LENGTH_BYTE_ARRAY | ✅ | ✅ | | ✅ | ✅
|
+| DELTA_BYTE_ARRAY | ✅ | ✅ | | ✅ | ✅
|
+| BYTE_STREAM_SPLIT | ✅ | ✅ | | ✅ | ✅
|
+
+(*): Partial read support, but only in the case of level data with a bitwidth
of 0
### Compressions
| Compression | C++ | Java | Go | Rust |
cuDF |
| ----------------------------------------- | ----- | ----- | ----- | ----- |
----- |
-| UNCOMPRESSED | ✅ | ✅ | | | ✅
|
-| BROTLI | ✅ | ✅ | | |
(R) |
-| GZIP | ✅ | ✅ | | |
(R) |
-| LZ4 (deprecated) | ✅ | ❌ | | | ❌
|
-| LZ4_RAW | ✅ | ✅ | | | ✅
|
-| LZO | ❌ | ❌ | | | ❌
|
-| SNAPPY | ✅ | ✅ | | | ✅
|
-| ZSTD | ✅ | ✅ | | | ✅
|
+| UNCOMPRESSED | ✅ | ✅ | | ✅ | ✅
|
+| BROTLI | ✅ | ✅ | | ✅ |
(R) |
+| GZIP | ✅ | ✅ | | ✅ |
(R) |
+| LZ4 (deprecated) | ✅ | ❌ | | ✅ | ❌
|
+| LZ4_RAW | ✅ | ✅ | | ✅ | ✅
|
+| LZO | ❌ | ❌ | | ❌ | ❌
|
+| SNAPPY | ✅ | ✅ | | ✅ | ✅
|
+| ZSTD | ✅ | ✅ | | ✅ | ✅
|
### Other format level features
| | C++ | Java | Go | Rust |
cuDF |
| ----------------------------------------- | ----- | ----- | ----- | ----- |
----- |
-| xxHash-based bloom filters | (R) | ✅ | | |
(R) |
-| Bloom filter length (1) | (R) | ✅ | | |
(R) |
-| Statistics min_value, max_value | ✅ | ✅ | | | ✅
|
-| Page index | ✅ | ✅ | | | ✅
|
-| Page CRC32 checksum | ✅ | ✅ | | | ❌
|
-| Modular encryption | ✅ | ✅ | | | ❌
|
-| Size statistics (2) | ✅ | ✅ | | | ✅
|
+| xxHash-based bloom filters | (R) | ✅ | | ✅ |
(R) |
+| Bloom filter length (1) | (R) | ✅ | | ✅ |
(R) |
+| Statistics min_value, max_value | ✅ | ✅ | | ✅ | ✅
|
+| Page index | ✅ | ✅ | | ✅ | ✅
|
+| Page CRC32 checksum | ✅ | ✅ | | ✅ | ❌
|
+| Modular encryption | ✅ | ✅ | | ❌ | ❌
|
+| Size statistics (2) | ✅ | ✅ | | ✅ | ✅
|
* \(1) In parquet.thrift: ColumnMetaData->bloom_filter_length
@@ -115,12 +117,12 @@ Implementations:
| Format | C++ | Java | Go | Rust
| cuDF |
| -------------------------------------------- | ----- | ----- | ----- | -----
| ----- |
-| External column data (1) | ✅ | ✅ | | |
(W) |
-| Row group "Sorting column" metadata (2) | ✅ | ❌ | | |
(W) |
-| Row group pruning using statistics | ❌ | ✅ | | |
✅ |
-| Row group pruning using bloom filter | ❌ | ✅ | | |
✅ |
-| Reading select columns only | ✅ | ✅ | | |
✅ |
-| Page pruning using statistics | ❌ | ✅ | | |
❌ |
+| External column data (1) | ✅ | ✅ | | ❌ |
(W) |
+| Row group "Sorting column" metadata (2) | ✅ | ❌ | | ✅ |
(W) |
+| Row group pruning using statistics | ❌ | ✅ | | ✅ |
✅ |
+| Row group pruning using bloom filter | ❌ | ✅ | | ✅ |
✅ |
+| Reading select columns only | ✅ | ✅ | | ✅ |
✅ |
+| Page pruning using statistics | ❌ | ✅ | | ✅ |
❌ |
* \(1) In parquet.thrift: ColumnChunk->file_path
