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From "Li Yuanjian (JIRA)" <j...@apache.org>
Subject [jira] [Created] (SPARK-22546) Allow users to update the dataType of a column
Date Fri, 17 Nov 2017 12:09:00 GMT
Li Yuanjian created SPARK-22546:
-----------------------------------

             Summary: Allow users to update the dataType of a column
                 Key: SPARK-22546
                 URL: https://issues.apache.org/jira/browse/SPARK-22546
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.1.0
            Reporter: Li Yuanjian


[SPARK-17910|https://issues.apache.org/jira/browse/SPARK-17910] supported user to change comment
of column, the patch also left TODO for other metadata. Here just implement the dataType changing
requirement, others like renaming column and changing position may have different considerations
in datasource table and hive table, maybe need more discussion.



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