Details
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Improvement
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Status: Resolved
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Major
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Resolution: Fixed
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None
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None
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None
Description
Filter pushdown could be improved. Based on my experiments there's no reasonable way to do it with DN 2.0, due to DN bug in substring and Collection.get(int) not being implemented.
With version as low as 2.1 we can use values.get on partition to extract values to compare to. Type compatibility is an issue, but is easy for strings and integral values.
Attachments
Attachments
Issue Links
- is blocked by
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HIVE-4914 filtering via partition name should be done inside metastore server (implementation)
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- Resolved
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HIVE-2084 Upgrade datanucleus from 2.0.3 to a more recent version (3.?)
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- Closed
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- is related to
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HIVE-2702 Enhance listPartitionsByFilter to add support for integral types both for equality and non-equality
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- Closed
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