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From "Reynold Xin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (SPARK-8653) Add constraint for Children expression for data type
Date Thu, 09 Jul 2015 06:51:04 GMT

     [ https://issues.apache.org/jira/browse/SPARK-8653?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Reynold Xin updated SPARK-8653:
-------------------------------
    Parent Issue: SPARK-8947  (was: SPARK-8159)

> Add constraint for Children expression for data type
> ----------------------------------------------------
>
>                 Key: SPARK-8653
>                 URL: https://issues.apache.org/jira/browse/SPARK-8653
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>            Reporter: Cheng Hao
>            Assignee: Reynold Xin
>
> Currently, we have trait in Expression like `ExpectsInputTypes` and also the `checkInputDataTypes`,
but can not convert the children expressions automatically, except we write the new rules
in the `HiveTypeCoercion`.



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