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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-12209) Vectorized simple CASE expressions with nulls
Date Fri, 30 Oct 2015 10:27:27 GMT

     [ https://issues.apache.org/jira/browse/HIVE-12209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gopal V updated HIVE-12209:
---------------------------
    Attachment: HIVE-12209.1.patch

> Vectorized simple CASE expressions with nulls
> ---------------------------------------------
>
>                 Key: HIVE-12209
>                 URL: https://issues.apache.org/jira/browse/HIVE-12209
>             Project: Hive
>          Issue Type: Improvement
>          Components: Vectorization
>    Affects Versions: 1.3.0, 1.2.1, 2.0.0
>            Reporter: Gopal V
>            Assignee: Gopal V
>         Attachments: HIVE-12209.1.patch
>
>
> {{CASE when (d_day_name='Sunday') then ss_sales_price else null end}}
> {code}
> 2015-10-18T03:28:37,911 INFO  [main]: physical.Vectorizer (Vectorizer.java:validateExprNodeDesc(1360))
- Failed to vectorize
> org.apache.hadoop.hive.ql.metadata.HiveException: Unable to vectorize custom UDF. Custom
udf containing constant null argument cannot be currently vectorized.
> {code}



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