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https://issues.apache.org/jira/browse/HUDI-5807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17764420#comment-17764420
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Lin Liu commented on HUDI-5807:
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So far I have found the cause of the bug:
# During the write no partition_path is added to the base_file and log files.
# During the read, the base file reader can append the partition path into
record; but the log file reader does not have the mechanism to add the
partition_path field into the payload.
# During merging, the record from log file is output, whose partition_path
field is NULL.
I have checked the solution to add the partition path to the underlying payload
InternalRow; but I haven't found an efficient solution. We should discuss the
possible solutions.
> HoodieSparkParquetReader is not appending partition-path values
> ---------------------------------------------------------------
>
> Key: HUDI-5807
> URL: https://issues.apache.org/jira/browse/HUDI-5807
> Project: Apache Hudi
> Issue Type: Bug
> Components: spark
> Affects Versions: 0.13.0
> Reporter: Alexey Kudinkin
> Assignee: Lin Liu
> Priority: Blocker
> Fix For: 1.0.0
>
>
> Current implementation of HoodieSparkParquetReader isn't supporting the case
> when "hoodie.datasource.write.drop.partition.columns" is set to true.
> In that case partition-path values are expected to be parsed from
> partition-path and be injected w/in the File Reader (this is behavior of
> Spark's own readers)
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