Cost based choice for rewrite during Automatic Indexing
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Key: HIVE-2130
URL: https://issues.apache.org/jira/browse/HIVE-2130
Project: Hive
Issue Type: Improvement
Components: Indexing
Affects Versions: 0.8.0
Reporter: Russell Melick
After processing a predicate, there are potentially multiple index rewrites
possible. Currently, we just choose the first one. However, there are
probably heuristics for choosing certain rewrites over others, based on
potential time savings. See IndexWhereProcessor for a good place to do this.
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