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https://issues.apache.org/jira/browse/HIVE-5096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13757094#comment-13757094
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Prasanth J commented on HIVE-5096:
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I just manually added few empty (NULL) values to specific columns for checking
against NULL/NOT NULL predicates. Since the minimum index stride is 1000, I
kept the total number of rows in the file to 1050 so that there are 2 index
strides in the ORC file. If required I can remove few columns that are not
being used by the tests and can only maintain the relevant columns.
> Add q file tests for ORC predicate pushdown
> -------------------------------------------
>
> Key: HIVE-5096
> URL: https://issues.apache.org/jira/browse/HIVE-5096
> Project: Hive
> Issue Type: Test
> Components: CLI, File Formats, StorageHandler
> Affects Versions: 0.12.0
> Reporter: Prasanth J
> Assignee: Prasanth J
> Labels: orcfile
> Fix For: 0.12.0
>
> Attachments: HIVE-5096.patch
>
>
> Add q file tests that checks the validity of the results when predicate
> pushdown is turned on and off. Also test for filter expressions in table scan
> operator when predicate pushdown is turned on for ORC.
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