Hugo hugolu
hugolu
/ sortByValue.scale
Created
January 7, 2016 10:44
[Spark] implement sortByValue() with sortBy()
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| val fruits = List("Apple", "Banana", "Fig", "Wiki", "Pineapple", "Strawberry", "Watermelon") | |
| val keyValues = sc.parallelize(fruits.map(fruit => (fruit, fruit.length))) | |
| keyValues.sortByKey().foreach(print) | |
| //output> (Apple,5)(Banana,6)(Fig,3)(Pineapple,9)(Strawberry,10)(Watermelon,10)(Wiki,4) | |
| keyValues.sortBy(_._1).foreach(print) //as sortByKey() | |
| //output> (Apple,5)(Banana,6)(Fig,3)(Pineapple,9)(Strawberry,10)(Watermelon,10)(Wiki,4) | |
| keyValues.sortBy(_._2).foreach(print) //as sortByValue() |
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