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Posted to dev@hive.apache.org by "Navis (JIRA)" <ji...@apache.org> on 2013/03/21 06:25:15 UTC
[jira] [Created] (HIVE-4209) Cache evaluation result of
deterministic expression and reuse it
Navis created HIVE-4209:
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Summary: Cache evaluation result of deterministic expression and reuse it
Key: HIVE-4209
URL: https://issues.apache.org/jira/browse/HIVE-4209
Project: Hive
Issue Type: Improvement
Components: Query Processor
Reporter: Navis
Assignee: Navis
Priority: Minor
For example,
{noformat}
select key from src where key + 1 > 100 AND key + 1 < 200 limit 3;
{noformat}
key + 1 need not to be evaluated twice.
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