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Posted to dev@parquet.apache.org by "Ryan Blue (JIRA)" <ji...@apache.org> on 2015/04/06 00:35:06 UTC
[jira] [Commented] (PARQUET-241) ParquetInputFormat.getFooters()
should return in the same order as what listStatus() returns
[ https://issues.apache.org/jira/browse/PARQUET-241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14425995#comment-14425995 ]
Ryan Blue commented on PARQUET-241:
-----------------------------------
What is your reasoning for needing this feature? Is that order useful for some reason?
> ParquetInputFormat.getFooters() should return in the same order as what listStatus() returns
> --------------------------------------------------------------------------------------------
>
> Key: PARQUET-241
> URL: https://issues.apache.org/jira/browse/PARQUET-241
> Project: Parquet
> Issue Type: Bug
> Affects Versions: 1.6.0
> Reporter: Mingyu Kim
>
> Because of how the footer cache is implemented, getFooters() returns the footers in a different order than what listStatus() returns.
> When I provided url "hdfs://.../part-00001.parquet,hdfs://.../part-00002.parquet,hdfs://.../part-00003.parquet", ParquetInputFormat.getSplits(), which internally calls getFooters(), returned the splits in a wrong order.
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