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From "John Sichi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-1803) Implement bitmap indexing in Hive
Date Fri, 01 Apr 2011 18:25:06 GMT

     [ https://issues.apache.org/jira/browse/HIVE-1803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

John Sichi updated HIVE-1803:
-----------------------------

    Status: Open  (was: Patch Available)

When I run ant test, I get a ton of failures with internal column names being different due
to the introduction of the new ROWOFFSET virtual column.  The same thing happened to Yongqiang
with HIVE-417.

So either you'll need to figure out a way to hide the number adjustment, or you'll have to
submit one more (giant) patch with all of the testlog updates (which you can obtain by running
ant test -Doverwrite=true and then verifying that all of the changes are expected).

Example from auto_join1.q:

{noformat}
    [junit] 67c67
    [junit] <               outputColumnNames: _col0, _col6
    [junit] ---
    [junit] >               outputColumnNames: _col0, _col5
    [junit] 73c73
    [junit] <                       expr: _col6
    [junit] ---
    [junit] >                       expr: _col5
    [junit] 143c143
    [junit] <               outputColumnNames: _col0, _col6
    [junit] ---
    [junit] >               outputColumnNames: _col0, _col5
{noformat}

Everything else in the patch was fine, except for a few nits:

* Javadoc for GenericUDFEWAHBitmapOr/And has the old class name.
* For BitmapAnd Javadoc, some spaces are missing in front of the stars.


> Implement bitmap indexing in Hive
> ---------------------------------
>
>                 Key: HIVE-1803
>                 URL: https://issues.apache.org/jira/browse/HIVE-1803
>             Project: Hive
>          Issue Type: New Feature
>          Components: Indexing
>            Reporter: Marquis Wang
>            Assignee: Marquis Wang
>         Attachments: HIVE-1803.1.patch, HIVE-1803.10.patch, HIVE-1803.2.patch, HIVE-1803.3.patch,
HIVE-1803.4.patch, HIVE-1803.5.patch, HIVE-1803.6.patch, HIVE-1803.7.patch, HIVE-1803.8.patch,
HIVE-1803.9.patch, JavaEWAH_20110304.zip, bitmap_index_1.png, bitmap_index_2.png, javaewah.jar,
javaewah.jar
>
>
> Implement bitmap index handler to complement compact indexing.

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