GitHub user weiqingy opened a pull request:
https://github.com/apache/spark/pull/16176
[SPARK-18746][SQL] Add newBigDecimalEncoder
## What changes were proposed in this pull request?
Add `newBigDecimalEncoder` in `SQLImplicits.scala`.
## How was this patch tested?
Pass build, existing unit tests, and the tests below .
Before:
```
scala> spark.createDataset(Seq(new java.math.BigDecimal(10)))
<console>:24: error: Unable to find encoder for type stored in a Dataset.
Primitive types (Int, String, etc) and Product types (case classes) are
supported by importing spark.implicits._ Support for serializing other types
will be added in future releases.
spark.createDataset(Seq(new java.math.BigDecimal(10)))
^
scala>
```
After:
```
scala> spark.createDataset(Seq(new java.math.BigDecimal(10)))
res0: org.apache.spark.sql.Dataset[java.math.BigDecimal] = [value:
decimal(38,18)]
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/weiqingy/spark SPARK-18746
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16176.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 #16176
----
commit 9cc8d7048eea1617856298e0a44249d7f81836e8
Author: Weiqing Yang <[email protected]>
Date: 2016-12-06T19:44:23Z
[SPARK-18746][SQL] Add newBigDecimalEncoder
----
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