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(Updated Sept. 3, 2014, 11:19 p.m.) Review request for hive, Gunther Hagleitner, John Pullokkaran, and Mostafa Mokhtar. Changes ------- have added the changes - to check range against rowCounts. This depends on HIVE-7915, which has not being merged into CBO branch - apply ndv scaling, where applicable - log the detailsof PK - FK relationship Repository: hive-git Description ------- CBO: more cost model changes Diffs (updated) ----- ql/src/java/org/apache/hadoop/hive/ql/optimizer/optiq/HiveDefaultRelMetadataProvider.java 2c08772 ql/src/java/org/apache/hadoop/hive/ql/optimizer/optiq/stats/HiveRelMdRowCount.java PRE-CREATION ql/src/java/org/apache/hadoop/hive/ql/optimizer/optiq/stats/HiveRelMdSelectivity.java df70de2 ql/src/java/org/apache/hadoop/hive/ql/optimizer/optiq/stats/HiveRelMdUniqueKeys.java PRE-CREATION ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java 8fe8b3c Diff: https://reviews.apache.org/r/25179/diff/ Testing ------- existing tests. Thanks, Harish Butani
