Jeff Zhang created SPARK-11205:
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Summary: Delegate to scala DataFrame API rather than print in
python
Key: SPARK-11205
URL: https://issues.apache.org/jira/browse/SPARK-11205
Project: Spark
Issue Type: Improvement
Components: PySpark
Affects Versions: 1.5.1
Reporter: Jeff Zhang
Priority: Minor
When I use DataFrame#explain(), I found the output is a little different from
scala API. Here's one example.
{noformat}
== Physical Plan == // this line is removed in pyspark API
Scan
JSONRelation[file:/Users/hadoop/github/spark/examples/src/main/resources/people.json][age#0L,name#1]
{noformat}
After looking at the code, I found that pyspark will print the output by itself
rather than delegate it to spark-sql. This cause the difference between scala
api and python api. I think both python api and scala api try to print it to
standard out, so the python api can be deleted to scala api. Here's some api I
found that can be delegated to scala api directly:
* printSchema()
* explain()
* show()
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