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Posted to github@arrow.apache.org by "tustvold (via GitHub)" <gi...@apache.org> on 2023/06/12 09:35:50 UTC
[GitHub] [arrow] tustvold commented on a diff in pull request #36027: GH-36028: [Docs][Parquet] Detailed parquet format support and parquet integration status
tustvold commented on code in PR #36027:
URL: https://github.com/apache/arrow/pull/36027#discussion_r1226372851
##########
docs/source/status.rst:
##########
@@ -348,3 +348,107 @@ Notes:
* \(1) Through JNI bindings. (Provided by ``org.apache.arrow.orc:arrow-orc``)
* \(2) Through JNI bindings to Arrow C++ Datasets. (Provided by ``org.apache.arrow:arrow-dataset``)
+
+
+Parquet format public API details
+=================================
+
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Format | C++ | Python | Java | Go | Rust |
+| | | | | | |
++===========================================+=======+========+========+=======+=======+
+| Basic compression | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Brotli, LZ4, ZSTD | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| LZ4_RAW | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Hive-style partitioning | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| File metadata | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| RowGroup metadata | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Column metadata | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Chunk metadta | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Sorting column | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| ColumnIndex statistics | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Page statistics | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Statistics min_value | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| xxHash based bloom filter | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| bloom filter length | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Modular encryption | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| External column data | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Nanosecond support | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| FIXED_LEN_BYTE_ARRAY | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Complete Delta encoding support | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Complete RLE support | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| BYTE_STREAM_SPLIT | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Partition pruning on the partition column | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| RowGroup pruning using statistics | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| RowGroup pruning using bloom filter | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Page pruning using projection pushdown | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Page pruning using statistics | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Page pruning using bloom filter | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Partition append / delete | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| RowGroup append / delete | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Page append / delete | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Page CRC32 checksum | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Parallel partition processing | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Parallel RowGroup processing | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Parallel Page processing | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Storage-aware defaults (1) | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Adaptive concurrency (2) | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
+| Adaptive IO when pruning used (3) | | | | | |
Review Comment:
Perhaps just a "Vectorized IO Pushdown". I believe there are efforts to add such an API to parquet-mr
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