[jira] [Commented] (HIVE-5096) Add q file tests for ORC predicate pushdown

["Prasanth J (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-5096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13757094#comment-13757094 ] 

Prasanth J commented on HIVE-5096:
----------------------------------

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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