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https://reviews.apache.org/r/68109/
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Review request for hive and Ashutosh Chauhan.
Bugs: HIVE-20260
https://issues.apache.org/jira/browse/HIVE-20260
Repository: hive-git
Description
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* keep track of used column; and only rescale affected columns
* much more conservative than old logic - possible too much...
* wip patch
Diffs
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ql/src/java/org/apache/hadoop/hive/ql/optimizer/stats/annotation/AnnotateStatsProcCtx.java
47ee949fbcfa9391c640719a57fab39279c009db
ql/src/java/org/apache/hadoop/hive/ql/optimizer/stats/annotation/StatsRulesProcFactory.java
3c2b0854269d5426153958096a8b5b5ad3612c0f
ql/src/test/queries/clientpositive/stat_estimate_drill.q PRE-CREATION
ql/src/test/queries/clientpositive/stat_estimate_related_col.q
52da2f759a009daa372a53446e2f0fd4a88152be
ql/src/test/results/clientpositive/stat_estimate_drill.q.out PRE-CREATION
ql/src/test/results/clientpositive/stat_estimate_related_col.q.out
669adafda3a45f7846face3d99817cd1b9cb3664
Diff: https://reviews.apache.org/r/68109/diff/1/
Testing
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Thanks,
Zoltan Haindrich
