GitHub user adrian-wang opened a pull request:
https://github.com/apache/spark/pull/8270
[SPARK-10083] [SQL] CaseWhen should support type coercion of DecimalType
and FractionalType
create t1 (a decimal(7, 2), b long);
select case when 1=1 then a else 1.0 end from t1;
select case when 1=1 then a else b end from t1;
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/adrian-wang/spark casewhenfractional
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/8270.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 #8270
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commit 148754314d068091ecf0f68f4d96e53ddd8e8f1e
Author: Daoyuan Wang <daoyuan.w...@intel.com>
Date: 2015-08-18T08:52:40Z
case when should support types of decimal and fractional
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