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Posted to issues@hive.apache.org by "Zoltan Haindrich (JIRA)" <ji...@apache.org> on 2018/04/10 11:56:00 UTC

[jira] [Assigned] (HIVE-19150) Add rule to push in condition condition into a related disjunctive expression

     [ https://issues.apache.org/jira/browse/HIVE-19150?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zoltan Haindrich reassigned HIVE-19150:
---------------------------------------


> Add rule to push in condition condition into a related disjunctive expression
> -----------------------------------------------------------------------------
>
>                 Key: HIVE-19150
>                 URL: https://issues.apache.org/jira/browse/HIVE-19150
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Zoltan Haindrich
>            Assignee: Zoltan Haindrich
>            Priority: Major
>
> simplify expressions like: {a = 1 && (a=1 || a=2)} to {a=1}
> conditions to apply will be:
> * in an AND condition exists a comparision(c) and an OR (o)
> * o and c only reference 1 variable
> HIVE-19097 for more info



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