== Parsed Logical Plan ==
GlobalLimit 21
+- LocalLimit 21
+- Project [cast(window#871-T3000ms as string) AS window#880, cast(hostname#872 as string) AS hostname#881, cast(total_bytes#873 as string) AS total_bytes#882]
+- LocalRelation <empty>, [window#871-T3000ms, hostname#872, total_bytes#873]
== Analyzed Logical Plan ==
window: string, hostname: string, total_bytes: string
GlobalLimit 21
+- LocalLimit 21
+- Project [cast(window#871-T3000ms as string) AS window#880, cast(hostname#872 as string) AS hostname#881, cast(total_bytes#873 as string) AS total_bytes#882]
+- LocalRelation <empty>, [window#871-T3000ms, hostname#872, total_bytes#873]
== Optimized Logical Plan ==
LocalRelation <empty>, [window#880, hostname#881, total_bytes#882]
== Physical Plan ==
LocalTableScan <empty>, [window#880, hostname#881, total_bytes#882]
