[SPARK-34075][SQL][CORE] Hidden directories are being listed for partition inference #31169
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Test build #134009 has finished for PR 31169 at commit
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HyukjinKwon
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Jan 13, 2021
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Kubernetes integration test starting |
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Test build #134011 has finished for PR 31169 at commit
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sunchao
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Jan 13, 2021
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It's alrighty, @sunchao. Merged to master and branch-3.1. |
HyukjinKwon
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Jan 14, 2021
…ition inference ### What changes were proposed in this pull request? Fix a regression from #29959. In Spark, the following file paths are considered as hidden paths and they are ignored on file reads: 1. starts with "_" and doesn't contain "=" 2. starts with "." However, after the refactoring PR #29959, the hidden paths are not filtered out on partition inference: https://github.com/apache/spark/pull/29959/files#r556432426 This PR is to fix the bug. To archive the goal, the method `InMemoryFileIndex.shouldFilterOut` is refactored as `HadoopFSUtils.shouldFilterOutPathName` ### Why are the changes needed? Bugfix ### Does this PR introduce _any_ user-facing change? Yes, it fixes a bug for reading file paths with partitions. ### How was this patch tested? Unit test Closes #31169 from gengliangwang/fileListingBug. Authored-by: Gengliang Wang <gengliang.wang@databricks.com> Signed-off-by: HyukjinKwon <gurwls223@apache.org> (cherry picked from commit 467d758) Signed-off-by: HyukjinKwon <gurwls223@apache.org>
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What changes were proposed in this pull request?
Fix a regression from #29959.
In Spark, the following file paths are considered as hidden paths and they are ignored on file reads:
However, after the refactoring PR #29959, the hidden paths are not filtered out on partition inference: https://github.com/apache/spark/pull/29959/files#r556432426
This PR is to fix the bug. To archive the goal, the method
InMemoryFileIndex.shouldFilterOutis refactored asHadoopFSUtils.shouldFilterOutPathNameWhy are the changes needed?
Bugfix
Does this PR introduce any user-facing change?
Yes, it fixes a bug for reading file paths with partitions.
How was this patch tested?
Unit test