== Abstract Syntax Tree ==
LogicalLegacySink(name=[`default_catalog`.`default_database`.`MySink1`], fields=[first])
+- LogicalProject(first=[$0])
   +- LogicalTableScan(table=[[default_catalog, default_database, MyTable, source: [CsvTableSource(read fields: first, id, score, last)]]])

LogicalLegacySink(name=[`default_catalog`.`default_database`.`MySink2`], fields=[last])
+- LogicalProject(last=[$3])
   +- LogicalTableScan(table=[[default_catalog, default_database, MyTable, source: [CsvTableSource(read fields: first, id, score, last)]]])

== Optimized Logical Plan ==
LegacySink(name=[`default_catalog`.`default_database`.`MySink1`], fields=[first])
+- LegacyTableSourceScan(table=[[default_catalog, default_database, MyTable, source: [CsvTableSource(read fields: first)]]], fields=[first])

LegacySink(name=[`default_catalog`.`default_database`.`MySink2`], fields=[last])
+- LegacyTableSourceScan(table=[[default_catalog, default_database, MyTable, source: [CsvTableSource(read fields: last)]]], fields=[last])

== Physical Execution Plan ==
 : Data Source
	content : Source: Custom File source

	 : Operator
		content : CsvTableSource(read fields: first)
		ship_strategy : REBALANCE

		 : Operator
			content : SourceConversion(table=[default_catalog.default_database.MyTable, source: [CsvTableSource(read fields: first)]], fields=[first])
			ship_strategy : FORWARD

			 : Operator
				content : SinkConversionToRow
				ship_strategy : FORWARD

				 : Operator
					content : Map
					ship_strategy : REBALANCE

 : Data Source
	content : Source: Custom File source

	 : Operator
		content : CsvTableSource(read fields: last)
		ship_strategy : REBALANCE

		 : Operator
			content : SourceConversion(table=[default_catalog.default_database.MyTable, source: [CsvTableSource(read fields: last)]], fields=[last])
			ship_strategy : FORWARD

			 : Operator
				content : SinkConversionToRow
				ship_strategy : FORWARD

				 : Operator
					content : Map
					ship_strategy : REBALANCE

					 : Data Sink
						content : Sink: CsvTableSink(first)
						ship_strategy : FORWARD

						 : Data Sink
							content : Sink: CsvTableSink(last)
							ship_strategy : FORWARD