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https://issues.apache.org/jira/browse/HIVE-4519?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13873016#comment-13873016
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Navis commented on HIVE-4519:
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Addressed comments. [~ashutoshc], could you check this?
> JDBC getColumnTypeName() should respond with the Hive-specifc type name for
> ARRAY, STRUCT and MAP
> -------------------------------------------------------------------------------------------------
>
> Key: HIVE-4519
> URL: https://issues.apache.org/jira/browse/HIVE-4519
> Project: Hive
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 0.11.0
> Reporter: Robert Roland
> Assignee: Robert Roland
> Attachments: HIVE-4519.1.patch.txt, HIVE-4519.2.patch.txt
>
>
> Per the Javadocs for ResultSetMetaData#getColumnTypeName():
> "type name used by the database. If the column type is a user-defined type,
> then a fully-qualified type name is returned."
> Hive's type for array, struct and map is not String. It is array, struct or
> map, using a JSON string serialization. Returning the Hive type here will
> allow you to programmatically determine if you should parse the value in the
> ResultSet as JSON.
> ResultSetMetaData#getColumnType() should potentially return OTHER to indicate
> the column is a database-specific return type.
> This would replace the fix provided HIVE-1378.
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