Jesus Camacho Rodriguez created HIVE-13815:
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Summary: Improve logic to infer false predicates
Key: HIVE-13815
URL: https://issues.apache.org/jira/browse/HIVE-13815
Project: Hive
Issue Type: Sub-task
Components: CBO
Affects Versions: 2.1.0
Reporter: Jesus Camacho Rodriguez
Assignee: Jesus Camacho Rodriguez
Follow-up/extension of the work done in HIVE-13068.
Ex.
ql/src/test/results/clientpositive/annotate_stats_filter.q.out
{{predicate: ((year = 2001) and (state = 'OH') and (state = 'FL')) (type:
boolean)}} -> {{false}}
ql/src/test/results/clientpositive/cbo_rp_join1.q.out
{{predicate: ((_col0 = _col1) and (_col1 = 40) and (_col0 = 40)) (type:
boolean)}} -> {{predicate: ((_col1 = 40) and (_col0 = 40)) (type: boolean)}}
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