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Posted to gitbox@hive.apache.org by GitBox <gi...@apache.org> on 2020/08/13 13:11:49 UTC

[GitHub] [hive] moomindani opened a new pull request #1402: HIVE-12679: Allow users to be able to specify an implementation of IMetaStoreClient via HiveConf

moomindani opened a new pull request #1402:
URL: https://github.com/apache/hive/pull/1402


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   This change makes it possible for users to choose an implementation of IMetaStoreClient via HiveConf, i.e. hive-site.xml.
   
   This patch is to retry merging the patch of HIVE-12679. 
   I talked with Austin, the original contributor for this issue, and he said it is okay to submit this patch again. 
   https://issues.apache.org/jira/browse/HIVE-12679
   
   ### Why are the changes needed?
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   Currently, in Hive the choice is hard coded to be SessionHiveMetaStoreClient in org.apache.hadoop.hive.ql.metadata.Hive. 
   There is no other direct reference to SessionHiveMetaStoreClient other than the hard coded class name in Hive.java and the QL component operates only on the IMetaStoreClient interface so the change would be minimal and it would be quite similar to how an implementation of RawStore is specified and loaded in hive-metastore. One use case this change would serve would be one where a user wishes to use an implementation of this interface without the dependency on the Thrift server.
   
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   Yes. User will be able to specify own implementation of IMetaStoreClient. (e.g. IMetaStoreClient for AWS Glue Data Catalog).
   
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   Unit test and integration test with Glue Data Catalog client.


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[GitHub] [hive] sankarh removed a comment on pull request #1402: HIVE-12679: Allow users to be able to specify an implementation of IMetaStoreClient via HiveConf

Posted by GitBox <gi...@apache.org>.
sankarh removed a comment on pull request #1402:
URL: https://github.com/apache/hive/pull/1402#issuecomment-678378941


   Patch LGTM
   Thanks @moomindani!


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[GitHub] [hive] github-actions[bot] closed pull request #1402: HIVE-12679: Allow users to be able to specify an implementation of IMetaStoreClient via HiveConf

Posted by GitBox <gi...@apache.org>.
github-actions[bot] closed pull request #1402:
URL: https://github.com/apache/hive/pull/1402


   


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[GitHub] [hive] sankarh edited a comment on pull request #1402: HIVE-12679: Allow users to be able to specify an implementation of IMetaStoreClient via HiveConf

Posted by GitBox <gi...@apache.org>.
sankarh edited a comment on pull request #1402:
URL: https://github.com/apache/hive/pull/1402#issuecomment-678378941


   Patch LGTM
   Thanks @moomindani!


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[GitHub] [hive] github-actions[bot] commented on pull request #1402: HIVE-12679: Allow users to be able to specify an implementation of IMetaStoreClient via HiveConf

Posted by GitBox <gi...@apache.org>.
github-actions[bot] commented on pull request #1402:
URL: https://github.com/apache/hive/pull/1402#issuecomment-717629984


   This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs.
   Feel free to reach out on the dev@hive.apache.org list if the patch is in need of reviews.


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[GitHub] [hive] moomindani edited a comment on pull request #1402: HIVE-12679: Allow users to be able to specify an implementation of IMetaStoreClient via HiveConf

Posted by GitBox <gi...@apache.org>.
moomindani edited a comment on pull request #1402:
URL: https://github.com/apache/hive/pull/1402#issuecomment-682448121


   @sankarh Thank you for the comment, I will try to address it.


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[GitHub] [hive] sankarh commented on pull request #1402: HIVE-12679: Allow users to be able to specify an implementation of IMetaStoreClient via HiveConf

Posted by GitBox <gi...@apache.org>.
sankarh commented on pull request #1402:
URL: https://github.com/apache/hive/pull/1402#issuecomment-678382353


   I would like to bring up the comment from @thejasmn which sounds valid to me.
   "Note that SessionHiveMetaStoreClient implements logic for temp tables, as they have a lifetime of a session. I am wondering if this config should determine which IMetaStoreClient impl is used by SessionHiveMetaStoreClient, instead of replacing SessionHiveMetaStoreClient itself.
   Some changes to SessionHiveMetaStoreClient would be needed as well for that approach, for it to accept configured IMetaStoreClient."
   Would you pls address this comment?


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[GitHub] [hive] sankarh commented on pull request #1402: HIVE-12679: Allow users to be able to specify an implementation of IMetaStoreClient via HiveConf

Posted by GitBox <gi...@apache.org>.
sankarh commented on pull request #1402:
URL: https://github.com/apache/hive/pull/1402#issuecomment-678378941


   +1 
   Patch LGTM
   Thanks @moomindani!


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[GitHub] [hive] moomindani commented on pull request #1402: HIVE-12679: Allow users to be able to specify an implementation of IMetaStoreClient via HiveConf

Posted by GitBox <gi...@apache.org>.
moomindani commented on pull request #1402:
URL: https://github.com/apache/hive/pull/1402#issuecomment-682448121


   sankarh@ Thank you for the comment, I will try to address it.


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