GitHub user HyukjinKwon opened a pull request:
https://github.com/apache/spark/pull/16684
[HOTFIX] Fix the build with Scala 2.10 by explicit typed argument
## What changes were proposed in this pull request?
This fixes
```bash
[error]
/home/jenkins/workspace/spark-master-compile-sbt-scala-2.10/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/csv/UnivocityParser.scala:65:
polymorphic expression cannot be instantiated to expected type;
[error] found : [B >: org.apache.spark.sql.types.StructField](B, Int) =>
Int
[error] required: org.apache.spark.sql.types.StructField => ?
[error] fields.map(schema.indexOf).toArray
[error] ^
[error] one error found
[error] (sql/compile:compileIncremental) Compilation failed
```
## How was this patch tested?
Manually via
```bash
./dev/change-scala-version.sh 2.10
./build/mvn -Pyarn -Phadoop-2.4 -Dscala-2.10 -DskipTests clean package
```
```
[INFO]
------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Spark Project Parent POM ........................... SUCCESS [
2.719 s]
[INFO] Spark Project Tags ................................. SUCCESS [
3.441 s]
[INFO] Spark Project Sketch ............................... SUCCESS [
3.411 s]
[INFO] Spark Project Networking ........................... SUCCESS [
5.088 s]
[INFO] Spark Project Shuffle Streaming Service ............ SUCCESS [
5.131 s]
[INFO] Spark Project Unsafe ............................... SUCCESS [
5.813 s]
[INFO] Spark Project Launcher ............................. SUCCESS [
6.567 s]
[INFO] Spark Project Core ................................. SUCCESS [01:39
min]
[INFO] Spark Project ML Local Library ..................... SUCCESS [
6.644 s]
[INFO] Spark Project GraphX ............................... SUCCESS [
11.304 s]
[INFO] Spark Project Streaming ............................ SUCCESS [
26.275 s]
[INFO] Spark Project Catalyst ............................. SUCCESS [01:04
min]
[INFO] Spark Project SQL .................................. SUCCESS [02:07
min]
[INFO] Spark Project ML Library ........................... SUCCESS [01:20
min]
[INFO] Spark Project Tools ................................ SUCCESS [
8.755 s]
[INFO] Spark Project Hive ................................. SUCCESS [
51.141 s]
[INFO] Spark Project REPL ................................. SUCCESS [
13.688 s]
[INFO] Spark Project YARN Shuffle Service ................. SUCCESS [
7.211 s]
[INFO] Spark Project YARN ................................. SUCCESS [
10.908 s]
[INFO] Spark Project Assembly ............................. SUCCESS [
2.940 s]
[INFO] Spark Project External Flume Sink .................. SUCCESS [
4.386 s]
[INFO] Spark Project External Flume ....................... SUCCESS [
8.589 s]
[INFO] Spark Project External Flume Assembly .............. SUCCESS [
1.891 s]
[INFO] Spark Integration for Kafka 0.8 .................... SUCCESS [
8.458 s]
[INFO] Spark Project Examples ............................. SUCCESS [
17.706 s]
[INFO] Spark Project External Kafka Assembly .............. SUCCESS [
3.070 s]
[INFO] Spark Integration for Kafka 0.10 ................... SUCCESS [
11.227 s]
[INFO] Spark Integration for Kafka 0.10 Assembly .......... SUCCESS [
2.982 s]
[INFO] Kafka 0.10 Source for Structured Streaming ......... SUCCESS [
7.494 s]
[INFO] Spark Project Java 8 Tests ......................... SUCCESS [
3.748 s]
[INFO]
------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO]
------------------------------------------------------------------------
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/HyukjinKwon/spark hot-fix-type-ensurance
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/16684.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 #16684
----
commit e56677d3623b712a1f16f00e840f54aac2adb1ef
Author: hyukjinkwon <[email protected]>
Date: 2017-01-23T22:45:44Z
Explicit type
----
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