update: t1 is good. After collecting on t1, I find that all row is ok (is_new = 0) Just after sampling, there are some rows where is_new = 1 which should have been filtered by Where clause.
-- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/SchemaRDD-sample-problem-tp20741p20833.html Sent from the Apache Spark User List mailing list archive at Nabble.com. --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org