Vihang Karajgaonkar created IMPALA-8739:
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Summary: FileMetadataLoader skips empty directories
Key: IMPALA-8739
URL: https://issues.apache.org/jira/browse/IMPALA-8739
Project: IMPALA
Issue Type: Bug
Reporter: Vihang Karajgaonkar
{{FileMetadataLoader}} has certain code paths like the one below which using
{{listFiles}} API on the filesystem. This API ignores empty directories which
is okay for non-transactional tables. However, in case of transactional table
an empty base directory provides writeId information which is used to skip
loading files which are not relevant for a given writeId. See
{{AcidUtils#filterFilesForAcidState}} usage for details.
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