Github user gatorsmile commented on the pull request:
https://github.com/apache/spark/pull/10335#issuecomment-165671862
Original range API:
```
scala> val startTime = System.currentTimeMillis; sqlContext.oldRange(0,
10000000, 1, 15).collect(); val endTime = System.currentTimeMillis; val start =
new Timestamp(startTime); val end = new Timestamp(endTime); val elapsed =
(endTime - startTime)/ 1000.0
startTime: Long = 1450413096482
endTime: Long = 1450413125867
start: java.sql.Timestamp = 2015-12-17 20:31:36.482
end: java.sql.Timestamp = 2015-12-17 20:32:05.867
elapsed: Double = 29.385
scala> val startTime = System.currentTimeMillis; sqlContext.oldRange(0,
10000000, 1, 15).collect(); val endTime = System.currentTimeMillis; val start =
new Timestamp(startTime); val end = new Timestamp(endTime); val elapsed =
(endTime - startTime)/ 1000.0
startTime: Long = 1450413127738
endTime: Long = 1450413157937
start: java.sql.Timestamp = 2015-12-17 20:32:07.738
end: java.sql.Timestamp = 2015-12-17 20:32:37.937
elapsed: Double = 30.199
scala> val startTime = System.currentTimeMillis; sqlContext.oldRange(0,
10000000, 1, 15).collect(); val endTime = System.currentTimeMillis; val start =
new Timestamp(startTime); val end = new Timestamp(endTime); val elapsed =
(endTime - startTime)/ 1000.0
startTime: Long = 1450413159888
endTime: Long = 1450413188929
start: java.sql.Timestamp = 2015-12-17 20:32:39.888
end: java.sql.Timestamp = 2015-12-17 20:33:08.929
elapsed: Double = 29.041
```
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