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https://issues.apache.org/jira/browse/HIVE-12887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15107177#comment-15107177
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Sergey Shelukhin commented on HIVE-12887:
-----------------------------------------
What will happen after column removal with this patch? Is test needed?
Also, nit: please surround LOG.info with types with if LOG.isInfoEnabled.
> Handle ORC schema on read with fewer columns than file schema (after Schema
> Evolution changes)
> ----------------------------------------------------------------------------------------------
>
> Key: HIVE-12887
> URL: https://issues.apache.org/jira/browse/HIVE-12887
> Project: Hive
> Issue Type: Bug
> Components: ORC
> Reporter: Matt McCline
> Assignee: Matt McCline
> Priority: Critical
> Attachments: HIVE-12887.01.patch
>
>
> Exception caused by reading after column removal.
> {code}
> Caused by: java.lang.IndexOutOfBoundsException: Index: 10, Size: 10
> at java.util.ArrayList.rangeCheck(ArrayList.java:653)
> at java.util.ArrayList.get(ArrayList.java:429)
> at java.util.Collections$UnmodifiableList.get(Collections.java:1309)
> at
> org.apache.hadoop.hive.ql.io.orc.OrcProto$Type.getSubtypes(OrcProto.java:12240)
> at
> org.apache.hadoop.hive.ql.io.orc.TreeReaderFactory$StructTreeReader.<init>(TreeReaderFactory.java:2053)
> at
> org.apache.hadoop.hive.ql.io.orc.TreeReaderFactory.createTreeReader(TreeReaderFactory.java:2481)
> at
> org.apache.hadoop.hive.ql.io.orc.RecordReaderImpl.<init>(RecordReaderImpl.java:216)
> at
> org.apache.hadoop.hive.ql.io.orc.ReaderImpl.rowsOptions(ReaderImpl.java:598)
> at
> org.apache.hadoop.hive.ql.io.orc.OrcRawRecordMerger$ReaderPair.<init>(OrcRawRecordMerger.java:179)
> at
> org.apache.hadoop.hive.ql.io.orc.OrcRawRecordMerger$OriginalReaderPair.<init>(OrcRawRecordMerger.java:222)
> at
> org.apache.hadoop.hive.ql.io.orc.OrcRawRecordMerger.<init>(OrcRawRecordMerger.java:442)
> at
> org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.getReader(OrcInputFormat.java:1285)
> at
> org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.getRecordReader(OrcInputFormat.java:1165)
> at
> org.apache.hadoop.hive.ql.io.HiveInputFormat.getRecordReader(HiveInputFormat.java:249)
> {code}
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