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Posted to github@arrow.apache.org by "zeroshade (via GitHub)" <gi...@apache.org> on 2023/06/12 14:45:55 UTC
[GitHub] [arrow] zeroshade commented on a diff in pull request #36027: GH-36028: [Docs][Parquet] Detailed parquet format support and parquet integration status
zeroshade commented on code in PR #36027:
URL: https://github.com/apache/arrow/pull/36027#discussion_r1226793889
##########
docs/source/status.rst:
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@@ -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 | | | | | |
++-------------------------------------------+-------+--------+--------+-------+-------+
Review Comment:
Is the intention to indicate that the metadata is available through a public API rather than saying whether or not it is supported in general, since as @tustvold says, you have to support the metadata otherwise the file can't be read.
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