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_â¦
â¦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
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commit 162b70a8f1846b8e9b954964c98dc37d621ee93b
Author: hubertzhang <[email protected]>
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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