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## What changes were proposed in this pull request? Hive metastore is not case preserving and keep partition columns with lower case names. If SparkSQL create a table with upper-case partion name use HiveExternalCatalog, when we rename partition, it first call the HiveClient to renamePartition, which will create a new lower case partition path, then SparkSql rename the lower case path to the upper-case. while if the renamed partition contains more than one depth partition ,e.g. A=1/B=2, hive renamePartition change to a=1/b=2, then SparkSql rename it to A=1/B=2, but the a=1 still exists in the filesystem, we should also delete it. ## How was this patch tested? unit test added Author: windpiger <songjun@outlook.com> Closes #16700 from windpiger/clearUselessPathAfterRenamPartition. |
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compatibility/src/test/scala/org/apache/spark/sql/hive/execution | ||
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pom.xml |