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https://issues.apache.org/jira/browse/SPARK-19474?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15855611#comment-15855611
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Xiaochen Ouyang commented on SPARK-19474:
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ah, SPARK-19261 seems a duplicate of SPARK-18893. I think there is a diffrence
synax between SPARK-19474 and SPARK-18893.
SPARK-18893 is requested to support synax : alter table add columns(col
dataype...); Add operation
SPARK-19474 is requested to support synax: alter table change col col_new
datatype...; Modify operation.
I found somebody have done part of this function in SPARK-17910. I wonder that
do we have a plan to support changing column's dataType and name later ?
> SparkSQL unsupports to change hive table's name\dataType
> ---------------------------------------------------------
>
> Key: SPARK-19474
> URL: https://issues.apache.org/jira/browse/SPARK-19474
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.0.0, 2.0.1
> Environment: Spark2.0.1
> Reporter: Xiaochen Ouyang
>
> After creating a hive table, it will be not allowed to change a column's
> date type or name. It will be useful to provide a public interface (e.g. SQL)
> to do that.
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