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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-11627) Make PPD optimizer run faster
Date Tue, 25 Aug 2015 13:53:45 GMT

     [ https://issues.apache.org/jira/browse/HIVE-11627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jesus Camacho Rodriguez updated HIVE-11627:
-------------------------------------------
    Attachment: HIVE-11627.patch

> Make PPD optimizer run faster
> -----------------------------
>
>                 Key: HIVE-11627
>                 URL: https://issues.apache.org/jira/browse/HIVE-11627
>             Project: Hive
>          Issue Type: Improvement
>          Components: Logical Optimizer
>    Affects Versions: 1.3.0, 2.0.0
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>         Attachments: HIVE-11627.patch
>
>
> We retrieve the ExprInfo from the map each time we want to change any of its properties.
Instead, the number of calls to the map could be drastically reduced by retrieving the ExprInfo
once, and changing all its properties.



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