Would Catalyst in Spark SQL count? http://people.csail.mit.edu/matei/papers/2015/sigmod_spark_sql.pdf http://people.csail.mit.edu/matei/papers/2015/sigmod_spar

Would Catalyst in Spark SQL count? http://people.csail.mit.edu/matei/papers/2015/sigmod_spark_sql.pdf http://people.csail.mit.edu/matei/papers/2015/sigmod_spark_s...