scala> Seq(1).toDS.explain(extended = true)
== Parsed Logical Plan ==
LocalRelation [value#1]
== Analyzed Logical Plan ==
value: int
LocalRelation [value#1]
== Optimized Logical Plan ==
LocalRelation [value#1]
== Physical Plan ==
LocalTableScan [value#1] LocalTableScanExec Physical Operator
LocalTableScanExec is a leaf physical operator with no children and producedAttributes being outputSet.
LocalTableScanExec is a result of applying BasicOperators execution planning strategy to LocalRelation and MemoryPlan logical query plans.
| name | description |
|---|---|
numOutputRows |
the number of output rows |
When executed (as doExecute), LocalTableScanExec creates an RDD of InternalRows.
Figure 1. LocalTableScanExec in SQL tab in web UI