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https://issues.apache.org/jira/browse/IMPALA-3193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-3193.
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Resolution: Duplicate
> Return table comments in GetTables Thrift API call and SHOW TABLES statement
> resultset
> --------------------------------------------------------------------------------------
>
> Key: IMPALA-3193
> URL: https://issues.apache.org/jira/browse/IMPALA-3193
> Project: IMPALA
> Issue Type: Improvement
> Components: Catalog, Clients
> Affects Versions: Impala 1.3, Impala 1.4, Impala 2.0, Impala 2.1, Impala
> 2.2
> Reporter: Holman Lan
> Assignee: Jinchul Kim
> Priority: Minor
> Labels: ramp-up
> Attachments: SimpleTestApp.java
>
>
> When accessing Impala via the Thrift interface the server always returns
> empty string for the comments/remarks column for the GetTables API call.
> It would also be nice if Impala can return table comments for the SHOW TABLES
> statement. Currently it only returns the table name.
> Attached is a simple Java program that uses the open-source Hive JDBC driver
> to connect to Impala via the Thrift interface and prints out results for the
> getTables JDBC API call. We notice that the JDBC driver internally uses the
> GetTables API call to retrieve metadata from Impala for the getTables JDBC
> API call. The remarks/comments column is always an empty string and it looks
> like it is because the server always returns empty string for that column.
> Impala returns column comments for the GetColumns Thrift API call as well as
> the DESCRIBE <table> statement.
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