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Size: a a a
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rm -rf ./target/* ./*/target
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def check_condition(x: Any): Boolean = {
x match {
case x: String => x.toDouble > 3.0
case _ => true
}
}
val kv = df_rdd.
filter{ case v: org.apache.spark.sql.Row => check_condition(v(4))}.
cache()
kv.collect()
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