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https://issues.apache.org/jira/browse/HIVE-13632?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15263134#comment-15263134
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Yongzhi Chen commented on HIVE-13632:
-------------------------------------
[~spena], I think I tried it, the result is [null]
> Hive failing on insert empty array into parquet table
> -----------------------------------------------------
>
> Key: HIVE-13632
> URL: https://issues.apache.org/jira/browse/HIVE-13632
> Project: Hive
> Issue Type: Bug
> Components: Serializers/Deserializers
> Affects Versions: 1.1.0
> Reporter: Yongzhi Chen
> Assignee: Yongzhi Chen
> Attachments: HIVE-13632.1.patch
>
>
> The insert will fail with following stack:
> {noformat}
> by: parquet.io.ParquetEncodingException: empty fields are illegal, the field
> should be ommited completely instead
> at
> parquet.io.MessageColumnIO$MessageColumnIORecordConsumer.endField(MessageColumnIO.java:271)
> at
> org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriter$ListDataWriter.write(DataWritableWriter.java:271)
> at
> org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriter$GroupDataWriter.write(DataWritableWriter.java:199)
> at
> org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriter$MessageDataWriter.write(DataWritableWriter.java:215)
> at
> org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriter.write(DataWritableWriter.java:88)
> at
> org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriteSupport.write(DataWritableWriteSupport.java:59)
> at
> org.apache.hadoop.hive.ql.io.parquet.write.DataWritableWriteSupport.write(DataWritableWriteSupport.java:31)
> at
> parquet.hadoop.InternalParquetRecordWriter.write(InternalParquetRecordWriter.java:116)
> at
> parquet.hadoop.ParquetRecordWriter.write(ParquetRecordWriter.java:123)
> at parquet.hadoop.ParquetRecordWriter.write(ParquetRecordWriter.java:42)
> at
> org.apache.hadoop.hive.ql.io.parquet.write.ParquetRecordWriterWrapper.write(ParquetRecordWriterWrapper.java:111)
> at
> org.apache.hadoop.hive.ql.io.parquet.write.ParquetRecordWriterWrapper.write(ParquetRecordWriterWrapper.java:124)
> at
> org.apache.hadoop.hive.ql.exec.FileSinkOperator.processOp(FileSinkOperator.java:697)
> {noformat}
> Reproduce:
> {noformat}
> create table test_small (
> key string,
> arrayValues array<string>)
> stored as parquet;
> insert into table test_small select 'abcd', array() from src limit 1;
> {noformat}
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