GitHub user wangyum opened a pull request:
https://github.com/apache/spark/pull/22661
[SPARK-25664][SQL][TEST] Refactor JoinBenchmark to use main method
## What changes were proposed in this pull request?
Refactor `JoinBenchmark` to use main method.
1. use `spark-submit`:
```console
bin/spark-submit --class
org.apache.spark.sql.execution.benchmark.JoinBenchmark --jars
./core/target/spark-core_2.11-3.0.0-SNAPSHOT-tests.jar
./sql/catalyst/target/spark-sql_2.11-3.0.0-SNAPSHOT-tests.jar
```
2. Generate benchmark result:
```console
SPARK_GENERATE_BENCHMARK_FILES=1 build/sbt "sql/test:runMain
org.apache.spark.sql.execution.benchmark.JoinBenchmark"
```
## How was this patch tested?
manual tests
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangyum/spark SPARK-25664
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/22661.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 #22661
----
commit 4339b1cbc5de7e54a7cd5be818fcf3dab249a351
Author: Yuming Wang <yumwang@...>
Date: 2018-10-07T08:34:54Z
Refactor JoinBenchmark
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