GitHub user hvanhovell opened a pull request:
https://github.com/apache/spark/pull/10796
[SPARK-12848][SQL] Change parsed decimal literal datatype from Double to
Decimal
The current parser turns a decimal literal, for example ```12.1```, into a
Double. The problem with this approach is that we convert an exact literal into
a non-exact ```Double```. The PR changes this behavior, a Decimal literal is
now converted into an extact ```BigDecimal```.
The behavior for scientific decimals, for example ```12.1e01```, is
unchanged. This will be converted into a Double.
cc @davies @rxin
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/hvanhovell/spark SPARK-12848
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10796.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 #10796
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commit f5ecab6431951fa6314a36f6f73bd50562bb31bc
Author: Herman van Hovell <[email protected]>
Date: 2016-01-17T17:08:27Z
Change parsed decimal literal datatype from Double to Decimal
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