HIVE-28911: Improve SEARCH expansion to exploit <> operator#6503

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zabetak merged 13 commits into

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rubenada:HIVE-28911

Jun 11, 2026

Commits on May 21, 2026

Commits on May 23, 2026

Adjust tests
rubenada
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Commits on May 26, 2026

In SearchTransformer, generate 'NOT (ref IN (value1, value2))' instead of 'ref <> value1 AND ref <> value2' since the latter can break statistic propagation on partitioned tables (such as Iceberg).
rubenada
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Commits on Jun 1, 2026

Put back AND of NOT_EQUALS (instead of NOT IN), flatten ANDs / ORs in partition pruning to maximize cache hits
rubenada
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Update tests files
rubenada
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Commits on Jun 8, 2026

Revert changes in FilterSelectivityEstimator
rubenada
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