== Parsed Logical Plan ==
GlobalLimit 21
+- LocalLimit 21
+- Project [cast(window#79-T3000ms as string) AS window#88, cast(hostname#80 as string) AS hostname#89, cast(total_bytes#81 as string) AS total_bytes#90]
+- LocalRelation <empty>, [window#79-T3000ms, hostname#80, total_bytes#81]
== Analyzed Logical Plan ==
window: string, hostname: string, total_bytes: string
GlobalLimit 21
+- LocalLimit 21
+- Project [cast(window#79-T3000ms as string) AS window#88, cast(hostname#80 as string) AS hostname#89, cast(total_bytes#81 as string) AS total_bytes#90]
+- LocalRelation <empty>, [window#79-T3000ms, hostname#80, total_bytes#81]
== Optimized Logical Plan ==
LocalRelation <empty>, [window#88, hostname#89, total_bytes#90]
== Physical Plan ==
LocalTableScan <empty>, [window#88, hostname#89, total_bytes#90]
