[jira] [Work stopped] (HIVE-19157) Assert that Insert into Druid Table fails if the publishing of metadata by HS2 fails

["slim bouguerra (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HIVE-19157?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on HIVE-19157 stopped by slim bouguerra.
---------------------------------------------
> Assert that Insert into Druid Table fails if the publishing of metadata by HS2 fails
> ------------------------------------------------------------------------------------
>
>                 Key: HIVE-19157
>                 URL: https://issues.apache.org/jira/browse/HIVE-19157
>             Project: Hive
>          Issue Type: Bug
>            Reporter: slim bouguerra
>            Assignee: slim bouguerra
>            Priority: Major
>
> The usual work flow of loading Data into Druid relies on the fact that HS2 is able to load Segments metadata from HDFS that are produced by LLAP/TEZ works.
> In some cases where HS2 is not able to perform `ls` on the HDFS path the insert into query will return success and will not insert any data.
> This bug was introduced at function {code} org.apache.hadoop.hive.druid.DruidStorageHandlerUtils#getCreatedSegments{code} 
> when we added feature to allow create empty tables.
> {code}
>  try {
>       fss = fs.listStatus(taskDir);
>     } catch (FileNotFoundException e) {
>       // This is a CREATE TABLE statement or query executed for CTAS/INSERT
>       // did not produce any result. We do not need to do anything, this is
>       // expected behavior.
>       return publishedSegmentsBuilder.build();
>     }
> {code}
> Am still looking for the way to fix this, [~jcamachorodriguez]/[~ashutoshc] any idea what is the best way to detect that it is an empty create table statement? 
>  



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