GitHub user sohami opened a pull request:
https://github.com/apache/drill/pull/959
DRILL-5816: Hash function produces skewed results on String values wiâ¦
â¦th same leading prefix
Note: Changing hash32 computation to use Murmur3.hash32 instead
of int casted version of Murmur3.hash64
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/sohami/drill DRILL-5816
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/drill/pull/959.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 #959
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commit 4b9dd5be778307138e5fc60041232c66c6671d75
Author: Sorabh Hamirwasia <[email protected]>
Date: 2017-09-15T22:07:50Z
DRILL-5816: Hash function produces skewed results on String values with
same leading prefix
Note: Changing hash32 computation to use Murmur3.hash32 instead
of int casted version of Murmur3.hash64
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