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https://issues.apache.org/jira/browse/DRILL-348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13956681#comment-13956681
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Jason Altekruse commented on DRILL-348:
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Support for optional fields should be in the current version of the parquet
reader. I did fix a bug in the reader for issue 418, could you try to
re-produce the problem using your previous method of generating the file and
try reading it with the latest build? If you have a file available that you
were previously having problems with I can try to read it with the latest code
and debug it right away if necessary.
> Improve parquet scanner to read nullable data source
> ----------------------------------------------------
>
> Key: DRILL-348
> URL: https://issues.apache.org/jira/browse/DRILL-348
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.0.0-milestone-1
> Reporter: Chun Chang
> Priority: Blocker
>
> If you use Pig to convert your data source to parquet format, currently Drill
> will have trouble reading the converted file. By default, Pig will convert
> your data into nullable type. Drill will throw indexoutofboundsexception when
> reading the file.
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