RDD Storage Info for Union
:- *(1) ColumnarToRow
: +- InMemoryTableScan [fractile#94334079, annual_ret#94334107, annual_resret#94334108, numcos#94334109]
: +- InMemoryRelation [fractile#94334079, overall#94334106, annual_ret#94334107, annual_resret#94334108, numcos#94334109], StorageLevel(disk, memory, deserialized, 1 replicas)
: +- *(1) Project [CASE WHEN ((fractile#94333959 = NA) OR (fractile#94333959 = null)) THEN null ELSE cast(fractile#94333959 as float) END AS fractile#94334079, CASE WHEN ((overall#94333960 = NA) OR (overall#94333960 = null)) THEN null ELSE cast(overall#94333960 as int) END AS overall#94334106, CASE WHEN ((annual_ret#94333961 = NA) OR (annual_ret#94333961 = null)) THEN null ELSE cast(annual_ret#94333961 as float) END AS annual_ret#94334107, CASE WHEN ((annual_resret#94333962 = NA) OR (annual_resret#94333962 = null)) THEN null ELSE cast(annual_resret#94333962 as float) END AS annual_resret#94334108, CASE WHEN ((numcos#94333963 = NA) OR (numcos#94333963 = null)) THEN null ELSE cast(num...