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Posted to issues@hive.apache.org by "Ayush Saxena (Jira)" <ji...@apache.org> on 2025/10/01 06:02:00 UTC
[jira] [Commented] (HIVE-29230) Iceberg: Reads fails after Schema evolution with complex type columns
[ https://issues.apache.org/jira/browse/HIVE-29230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18023976#comment-18023976 ]
Ayush Saxena commented on HIVE-29230:
-------------------------------------
Committed to master.
Thanx [~difin] & [~dkuzmenko] for the reviews!!!
> Iceberg: Reads fails after Schema evolution with complex type columns
> ---------------------------------------------------------------------
>
> Key: HIVE-29230
> URL: https://issues.apache.org/jira/browse/HIVE-29230
> Project: Hive
> Issue Type: Bug
> Reporter: Ayush Saxena
> Assignee: Ayush Saxena
> Priority: Major
> Labels: pull-request-available
>
> If we add a complex type column to an existing table with data the reads fails
> {noformat}
> Caused by: java.lang.ClassCastException: optional binary point is not a group at
> org.apache.parquet.schema.Type.asGroupType(Type.java:247)
> at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedParquetRecordReader.buildVectorizedParquetReader(VectorizedParquetRecordReader.java:541)
> at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedParquetRecordReader.checkEndOfRowGroup(VectorizedParquetRecordReader.java:455)
> at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedParquetRecordReader.nextBatch(VectorizedParquetRecordReader.java:415)
> at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedParquetRecordReader.next(VectorizedParquetRecordReader.java:353)
> at org.apache.hadoop.hive.ql.io.parquet.vector.VectorizedParquetRecordReader.next(VectorizedParquetRecordReader.java:97)
> at org.apache.iceberg.mr.hive.vector.HiveBatchIterator.advance(HiveBatchIterator.java:75)
> at org.apache.iceberg.mr.hive.vector.HiveBatchIterator.hasNext(HiveBatchIterator.java:143)
> at org.apache.iceberg.mr.mapreduce.IcebergRecordReader.nextKeyValue(IcebergRecordReader.java:119)
> at org.apache.iceberg.mr.hive.vector.HiveIcebergVectorizedRecordReader.next(HiveIcebergVectorizedRecordReader.java:48)
> at org.apache.iceberg.mr.hive.vector.HiveIcebergVectorizedRecordReader.next(HiveIcebergVectorizedRecordReader.java:34)
> at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.doNext(HiveContextAwareRecordReader.java:373)
> at org.apache.hadoop.hive.ql.io.HiveRecordReader.doNext(HiveRecordReader.java:82)
> at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.next(HiveContextAwareRecordReader.java:118)
> at org.apache.hadoop.hive.ql.io.HiveContextAwareRecordReader.next(HiveContextAwareRecordReader.java:58)
> at org.apache.hadoop.mapred.split.TezGroupedSplitsInputFormat$TezGroupedSplitsRecordReader.next(TezGroupedSplitsInputFormat.java:208)
> at org.apache.tez.mapreduce.lib.MRReaderMapred.next(MRReaderMapred.java:116)
> at org.apache.hadoop.hive.ql.exec.tez.MapRecordSource.pushRecord(MapRecordSource.java:75)
> at org.apache.hadoop.hive.ql.exec.tez.MapRecordProcessor.run(MapRecordProcessor.java:414)
> at org.apache.hadoop.hive.ql.exec.tez.TezProcessor.initializeAndRunProcessor(TezProcessor.java:293) {noformat}
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