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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 13:56:46 GMT

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

Jesus Camacho Rodriguez updated HIVE-11627:
-------------------------------------------
    Description: We retrieve the ExprInfo from the hashmap each time we want to change any
of its properties. Instead, the number of calls to the hashmap could be drastically reduced
by retrieving the ExprInfo once, and changing all its properties.  (was: 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.)

> 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 hashmap each time we want to change any of its properties.
Instead, the number of calls to the hashmap could be drastically reduced by retrieving the
ExprInfo once, and changing all its properties.



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