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Posted to issues-all@impala.apache.org by "Alex Rodoni (Jira)" <ji...@apache.org> on 2019/08/28 21:58:03 UTC
[jira] [Reopened] (IMPALA-8391) Impala Doc: ALTER TABLE RENAME on
managed Kudu table renames underlying Kudu table
[ https://issues.apache.org/jira/browse/IMPALA-8391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alex Rodoni reopened IMPALA-8391:
---------------------------------
> Impala Doc: ALTER TABLE RENAME on managed Kudu table renames underlying Kudu table
> ----------------------------------------------------------------------------------
>
> Key: IMPALA-8391
> URL: https://issues.apache.org/jira/browse/IMPALA-8391
> Project: IMPALA
> Issue Type: Sub-task
> Components: Docs
> Reporter: Sahil Takiar
> Assignee: Alex Rodoni
> Priority: Major
> Labels: future_release_doc, in_33
> Fix For: Impala 3.3.0
>
>
> The Impala-Kudu docs:
> [http://impala.apache.org/docs/build/html/topics/impala_kudu.html]
> [http://impala.apache.org/docs/build/html/topics/impala_tables.html]
> Need to be updated after IMPALA-7640 is merged.
> Specifically this part of the docs will no longer be accurate:
> {quote}
> When you create a Kudu table through Impala, it is assigned an internal Kudu table name of the form {{impala::db_name.table_name}}. You can see the Kudu-assigned name in the output of {{DESCRIBE FORMATTED}}, in the {{kudu.table_name}} field of the table properties. The Kudu-assigned name remains the same even if you use {{ALTER TABLE}} to rename the Impala table or move it to a different Impala database. You can issue the statement{{ALTER TABLE impala_name SET TBLPROPERTIES('kudu.table_name' = 'different_kudu_table_name')}} for the external tables created with the {{CREATE EXTERNAL TABLE}} statement. Changing the {{kudu.table_name}}property of an external table switches which underlying Kudu table the Impala table refers to. The underlying Kudu table must already exist.
> {quote}
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