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https://issues.apache.org/jira/browse/SPARK-37864?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17472563#comment-17472563
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Apache Spark commented on SPARK-37864:
--------------------------------------
User 'LuciferYang' has created a pull request for this issue:
https://github.com/apache/spark/pull/35163
> Support Parquet v2 data page RLE encoding (for Boolean Values) for the
> vectorized path
> --------------------------------------------------------------------------------------
>
> Key: SPARK-37864
> URL: https://issues.apache.org/jira/browse/SPARK-37864
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.3.0
> Reporter: Yang Jie
> Priority: Major
>
> Parquet v2 data page write Boolean Values use RLE encoding, when read v2
> boolean type values it will throw exceptions as follows now:
>
> {code:java}
> Caused by: java.lang.UnsupportedOperationException: Unsupported encoding: RLE
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader.getValuesReader(VectorizedColumnReader.java:305)
> ~[classes/:?]
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader.initDataReader(VectorizedColumnReader.java:277)
> ~[classes/:?]
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader.readPageV2(VectorizedColumnReader.java:344)
> ~[classes/:?]
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader.access$100(VectorizedColumnReader.java:48)
> ~[classes/:?]
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader$1.visit(VectorizedColumnReader.java:250)
> ~[classes/:?]
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader$1.visit(VectorizedColumnReader.java:237)
> ~[classes/:?]
> at org.apache.parquet.column.page.DataPageV2.accept(DataPageV2.java:192)
> ~[parquet-column-1.12.2.jar:1.12.2]
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader.readPage(VectorizedColumnReader.java:237)
> ~[classes/:?]
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedColumnReader.readBatch(VectorizedColumnReader.java:173)
> ~[classes/:?]
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedParquetRecordReader.nextBatch(VectorizedParquetRecordReader.java:311)
> ~[classes/:?]
> at
> org.apache.spark.sql.execution.datasources.parquet.VectorizedParquetRecordReader.nextKeyValue(VectorizedParquetRecordReader.java:209)
> ~[classes/:?]
> at
> org.apache.spark.sql.execution.datasources.RecordReaderIterator.hasNext(RecordReaderIterator.scala:39)
> ~[classes/:?]
> at
> org.apache.spark.sql.execution.datasources.FileScanRDD$$anon$1.hasNext(FileScanRDD.scala:116)
> ~[classes/:?]
> at
> org.apache.spark.sql.execution.datasources.FileScanRDD$$anon$1.nextIterator(FileScanRDD.scala:298)
> ~[classes/:?]
> ... 19 more {code}
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