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vzayaz/CountSlowElegant.scala

Last active September 6, 2020 21:44
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CountSlowElegant.scala
val res = spark
.range(1000L * 1000 * 1000)
.filter(x => x % 2 == 0) // note that the condition changed
.select(count(col("id")))
.first()
.getAs[Long](0)
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