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Posted to issues-all@impala.apache.org by "David Mollitor (Jira)" <ji...@apache.org> on 2021/05/20 20:11:00 UTC
[jira] [Updated] (IMPALA-10710) Log When Kudu Table Already Exists
in HMS
[ https://issues.apache.org/jira/browse/IMPALA-10710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
David Mollitor updated IMPALA-10710:
------------------------------------
Summary: Log When Kudu Table Already Exists in HMS (was: Do Not Drop Kudu Table When Table Already Exists in HMS)
> Log When Kudu Table Already Exists in HMS
> -----------------------------------------
>
> Key: IMPALA-10710
> URL: https://issues.apache.org/jira/browse/IMPALA-10710
> Project: IMPALA
> Issue Type: Bug
> Reporter: David Mollitor
> Priority: Major
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> As I understand the code, Impala performs HMS/Kudu {{CREATE TABLE}} interaction as:
> * Create the table in Kudu
> * Register table with HMS
> * Drop the Kudu table on HMS error
> This is generally OK, except that it drops the table from Kudu on a {{TableAlreadyExists}} Exception.
> So, if I issue the same {{CREATE TABLE}} statement twice, the data will be dropped from Kudu on the second execution.
> This applies only to {{IF NOT EXISTS}} statements.
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