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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2016/05/19 11:10:12 UTC

[jira] [Updated] (HIVE-12044) Extend HivePreFilteringRule to cover more cases

     [ https://issues.apache.org/jira/browse/HIVE-12044?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jesus Camacho Rodriguez updated HIVE-12044:
-------------------------------------------
    Labels: newbie++  (was: )

> Extend HivePreFilteringRule to cover more cases
> -----------------------------------------------
>
>                 Key: HIVE-12044
>                 URL: https://issues.apache.org/jira/browse/HIVE-12044
>             Project: Hive
>          Issue Type: Bug
>          Components: CBO
>    Affects Versions: 2.0.0
>            Reporter: Jesus Camacho Rodriguez
>              Labels: newbie++
>
> The logic of traversing expressions (ExtractCommonOperands) is not recursive and misses many of the use cases.
> Also check for comparison need to take in to account functions (ex: ((x+y)=10 and z=1) or ((x+y)=10 and z=2) ).
> Cc'ed [~jpullokkaran]



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