GitHub user rtreffer opened a pull request:
https://github.com/apache/spark/pull/6789
[SPARK-7897] Improbe type for jdbc/"unsigned bigint"
The original fix uses DecimalType.Unlimited, which is harder to
handle afterwards. There is no scale and most data should fit into
a long, thus DecimalType(20,0) should be better.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/rtreffer/spark
spark-7897-unsigned-bigint-as-decimal
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/6789.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 #6789
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commit e99052c5b8866c1f0ec98309c8bc249139552f5a
Author: Rene Treffer <[email protected]>
Date: 2015-06-12T07:39:42Z
Fix type for "unsigned bigint" jdbc loading.
The original fix uses DecimalType.Unlimited, which is harder to
handle afterwards. There is no scale and most data should fit into
a long, thus DecimalType(20,0) should be better.
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