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https://issues.apache.org/jira/browse/HIVE-8654?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sergey Shelukhin updated HIVE-8654:
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Status: Patch Available (was: Open)
> CBO: parquet_ctas test returns incorrect results
> ------------------------------------------------
>
> Key: HIVE-8654
> URL: https://issues.apache.org/jira/browse/HIVE-8654
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Reporter: Sergey Shelukhin
> Assignee: Sergey Shelukhin
> Priority: Critical
> Fix For: 0.14.0
>
> Attachments: HIVE-8654.patch
>
>
> I am investigating right now.
> The issue is specific to Parquet:
> {noformat}
> set hive.cbo.enable=true;
> drop table staging;
> drop table parquet_ctas;
> create table staging (key int, value string) stored as textfile;
> insert into table staging select * from src order by key limit 10;
> select * from staging;
> create table parquet_ctas stored as parquet as select * from staging;
> select * from parquet_ctas;
> create table orc_ctas stored as orc as select * from staging;
> select * from orc_ctas;
> create table txt_ctas stored as textfile as select * from staging;
> select * from txt_ctas;
> {noformat}
> The parquet query returns all NULLs with CBO on.
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