HOTFIX: PySpark tests should be order insensitive.

This has been messing up the SQL PySpark tests on Jenkins.

Author: Patrick Wendell <pwendell@gmail.com>

Closes #1054 from pwendell/pyspark and squashes the following commits:

1eb5487 [Patrick Wendell] False change
06f062d [Patrick Wendell] HOTFIX: PySpark tests should be order insensitive

python/pyspark/sql.py

@@ -117,7 +117,7 @@ class SQLContext:
         >>> srdd = sqlCtx.inferSchema(rdd)
         >>> srdd.saveAsParquetFile(parquetFile)
         >>> srdd2 = sqlCtx.parquetFile(parquetFile)
-        >>> srdd.collect() == srdd2.collect()
+        >>> sorted(srdd.collect()) == sorted(srdd2.collect())
         True
         """
         jschema_rdd = self._ssql_ctx.parquetFile(path)
@@ -141,7 +141,7 @@ class SQLContext:
         >>> srdd = sqlCtx.inferSchema(rdd)
         >>> sqlCtx.registerRDDAsTable(srdd, "table1")
         >>> srdd2 = sqlCtx.table("table1")
-        >>> srdd.collect() == srdd2.collect()
+        >>> sorted(srdd.collect()) == sorted(srdd2.collect())
         True
         """
         return SchemaRDD(self._ssql_ctx.table(tableName), self)
@@ -293,7 +293,7 @@ class SchemaRDD(RDD):
         >>> srdd = sqlCtx.inferSchema(rdd)
         >>> srdd.saveAsParquetFile(parquetFile)
         >>> srdd2 = sqlCtx.parquetFile(parquetFile)
-        >>> srdd2.collect() == srdd.collect()
+        >>> sorted(srdd2.collect()) == sorted(srdd.collect())
         True
         """
         self._jschema_rdd.saveAsParquetFile(path)
@@ -307,7 +307,7 @@ class SchemaRDD(RDD):
         >>> srdd = sqlCtx.inferSchema(rdd)
         >>> srdd.registerAsTable("test")
         >>> srdd2 = sqlCtx.sql("select * from test")
-        >>> srdd.collect() == srdd2.collect()
+        >>> sorted(srdd.collect()) == sorted(srdd2.collect())
         True
         """
         self._jschema_rdd.registerAsTable(name)

sql/core/src/main/scala/org/apache/spark/sql/SchemaRDD.scala

@@ -33,6 +33,7 @@ import org.apache.spark.api.java.JavaRDD
 import java.util.{Map => JMap}
 
 /**
+ * ***FALSE CHANGE***
  * :: AlphaComponent ::
  * An RDD of [[Row]] objects that has an associated schema. In addition to standard RDD functions,
  * SchemaRDDs can be used in relational queries, as shown in the examples below.