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https://issues.apache.org/jira/browse/HIVE-62?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12647480#action_12647480
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Zheng Shao commented on HIVE-62:
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Another way is to allow describe on types but not columns.
Basically if "describe table" says the column is of type x. Then we can do
"describe type x", and it tells us the internal structure of x, either
"map<y,z>", "list<e>", "struct { ... }", "primitive" or whatever.
This "describe type" grammar looks consistent to "create type".
> Add ability to describe nested types
> ------------------------------------
>
> Key: HIVE-62
> URL: https://issues.apache.org/jira/browse/HIVE-62
> Project: Hadoop Hive
> Issue Type: New Feature
> Reporter: Ashish Thusoo
> Assignee: Ashish Thusoo
>
> Add ability to describe nested types.
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