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https://issues.apache.org/jira/browse/HIVE-10331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prasanth Jayachandran updated HIVE-10331:
-----------------------------------------
Attachment: HIVE-10331.06.patch
The patch looks good. I made a very minor modification to bloomfilter decimal
test case which tests for both NO and YES_NO cases.
> ORC : Is null SARG filters out all row groups written in old ORC format
> -----------------------------------------------------------------------
>
> Key: HIVE-10331
> URL: https://issues.apache.org/jira/browse/HIVE-10331
> Project: Hive
> Issue Type: Bug
> Components: Hive
> Affects Versions: 1.1.0
> Reporter: Mostafa Mokhtar
> Assignee: Mostafa Mokhtar
> Fix For: 1.2.0
>
> Attachments: HIVE-10331.01.patch, HIVE-10331.02.patch,
> HIVE-10331.03.patch, HIVE-10331.03.patch, HIVE-10331.04.patch,
> HIVE-10331.05.patch, HIVE-10331.06.patch
>
>
> Queries are returning wrong results as all row groups gets filtered out and
> no rows get scanned.
> {code}
> SELECT
> count(*)
> FROM
> store_sales
> WHERE
> ss_addr_sk IS NULL
> {code}
> With hive.optimize.index.filter disabled we get the correct results
> In pickRowGroups stats show that hasNull_ is fales, while the rowgroup
> actually has null.
> Same query runs fine for newly loaded ORC tables.
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