GitHub user HyukjinKwon opened a pull request:
https://github.com/apache/spark/pull/18532
[SPARK-21263][SQL] Do not allow partially parsing double and floats via
NumberFormat in CSV
## What changes were proposed in this pull request?
This PR proposes to remove `NumberFormat.parse` use to disallow a case of
partially parsed data. For example,
```
scala> spark.read.schema("a DOUBLE").option("mode",
"FAILFAST").csv(Seq("10u12").toDS).show()
+----+
| a|
+----+
|10.0|
+----+
```
## How was this patch tested?
Unit tests added in `UnivocityParserSuite` and `CSVSuite`.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/HyukjinKwon/spark SPARK-21263
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/18532.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 #18532
----
commit 024dfccaf8969edb8f1bc719063d3bc97ebff64b
Author: hyukjinkwon <[email protected]>
Date: 2017-07-04T23:35:46Z
Do not allow partially parsing double and floats via NumberFormat in CSV
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