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From zhangh43 <...@git.apache.org>
Subject [GitHub] incubator-hawq pull request: HAWQ-88. set default value of guc has...
Date Wed, 28 Oct 2015 02:07:12 GMT
GitHub user zhangh43 opened a pull request:

    https://github.com/apache/incubator-hawq/pull/49

    HAWQ-88. set default value of guc hash_to_random_flag to  be ENFORCE_…

    …KEEP_HASH
    guc hash_to_random_flag has three values: HASH_TO_RANDOM_BASEDON_DATALOCALITY, ENFORCE_HASH_TO_RANDOM
and ENFORCE_KEEP_HASH.
    It determines the different behaviour of whether to convert a hash table to random when
vseg number equals to table bucket number(since when vseg num doesn't equal to bucket number,
it must be converted to random)
    We now set this guc to ENFORCE_KEEP_HASH by default.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/zhangh43/incubator-hawq huan10

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/incubator-hawq/pull/49.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #49
    
----
commit 162b70a8f1846b8e9b954964c98dc37d621ee93b
Author: hubertzhang <hzhang@pivotal.io>
Date:   2015-10-28T02:04:56Z

    HAWQ-88. set default value of guc hash_to_random_flag to  be ENFORCE_KEEP_HASH

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