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Phabricator commented on HIVE-4209: ----------------------------------- njain has commented on the revision "HIVE-4209 [jira] Cache evaluation result of deterministic expression and reuse it". Can you change the default to true ? In hive-default.xml.template, can you explain the types of queries/expressions that will benefit INLINE COMMENTS common/src/java/org/apache/hadoop/hive/conf/HiveConf.java:638 Can you explain this new parameter in hive-default.xml.template ? REVISION DETAIL https://reviews.facebook.net/D9585 To: JIRA, navis Cc: njain > 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 > Attachments: HIVE-4209.D9585.1.patch, HIVE-4209.D9585.2.patch, > HIVE-4209.D9585.3.patch, HIVE-4209.D9585.4.patch > > > 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. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira