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Posted to issues@spark.apache.org by "Apache Spark (JIRA)" <ji...@apache.org> on 2015/06/26 09:13:05 UTC

[jira] [Assigned] (SPARK-8653) Add constraint for Children expression for data type

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

Apache Spark reassigned SPARK-8653:
-----------------------------------

    Assignee:     (was: Apache Spark)

> 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
>
> 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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