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https://issues.apache.org/jira/browse/HADOOP-4101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12645110#action_12645110
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Ashish Thusoo commented on HADOOP-4101:
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How are you planning to implement the metadata calls. There is a lot of
inheritance in the JDBC metadata calls and from what I understand, thrift does
not support inheritance.
Also, if you do go the thrift route, it may be better to share the server
container code between the metastore and the JDBC driver, the apis I think
should be independent and should be kept separate. While reorganizing the code,
it may be worthwhile to put the server portion of it in common and then share
it between the metastore and service..
> Support JDBC connections for interoperability between Hive and RDBMS
> --------------------------------------------------------------------
>
> Key: HADOOP-4101
> URL: https://issues.apache.org/jira/browse/HADOOP-4101
> Project: Hadoop Core
> Issue Type: Improvement
> Components: contrib/hive
> Reporter: YoungWoo Kim
> Priority: Minor
> Attachments: hadoop-4101.1.patch
>
>
> In many DW and BI systems, the data are stored in RDBMS for now such as
> oracle, mysql, postgresql ... for reporting, charting and etc.
> It would be useful to be able to import data from RDBMS and export data to
> RDBMS using JDBC connections.
> If Hive support JDBC connections, It wll be much easier to use 3rd party
> DW/BI tools.
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