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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/08/03 05:39:00 UTC
[jira] [Assigned] (SPARK-32432) Add support for reading ORC/Parquet
files with SymlinkTextInputFormat
[ https://issues.apache.org/jira/browse/SPARK-32432?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Apache Spark reassigned SPARK-32432:
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Assignee: Apache Spark
> Add support for reading ORC/Parquet files with SymlinkTextInputFormat
> ---------------------------------------------------------------------
>
> Key: SPARK-32432
> URL: https://issues.apache.org/jira/browse/SPARK-32432
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Noritaka Sekiyama
> Assignee: Apache Spark
> Priority: Major
>
> Hive style symlink (SymlinkTextInputFormat) is commonly used in different analytic engines including prestodb and prestosql.
> Currently SymlinkTextInputFormat works with JSON/CSV files but does not work with ORC/Parquet files in Apache Spark (and Apache Hive).
> On the other hand, prestodb and prestosql support SymlinkTextInputFormat with ORC/Parquet files.
> This issue is to add support for reading ORC/Parquet files with SymlinkTextInputFormat in Apache Spark.
>
> Related links
> * Hive's SymlinkTextInputFormat: [https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/io/SymlinkTextInputFormat.java]
> * prestosql's implementation to add support for reading avro files with SymlinkTextInputFormat: [https://github.com/vincentpoon/prestosql/blob/master/presto-hive/src/main/java/io/prestosql/plugin/hive/BackgroundHiveSplitLoader.java]
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