== Abstract Syntax Tree ==
LogicalSink(table=[fluss.nexmark.output_1398027797c44641a83ab05ac8240ef4], fields=[category, EXPR$1])
+- LogicalAggregate(group=[{0}], EXPR$1=[AVG($1)])
   +- LogicalProject(category=[$1], final=[$0])
      +- LogicalProject(final=[$2], category=[$1])
         +- LogicalAggregate(group=[{0, 1}], final=[MAX($2)])
            +- LogicalProject(id=[$0], category=[$8], price=[$12])
               +- LogicalFilter(condition=[AND(=($0, $10), >=($15, $5), <=($15, $6))])
                  +- LogicalJoin(condition=[true], joinType=[inner])
                     :- LogicalProject(id=[$2.id], itemName=[$2.itemName], description=[$2.description], initialBid=[$2.initialBid], reserve=[$2.reserve], dateTime=[$5], expires=[TO_TIMESTAMP_LTZ($2.expires, 3)], seller=[$2.seller], category=[$2.category], extra=[$2.extra])
                     :  +- LogicalFilter(condition=[=($0, 1)])
                     :     +- LogicalProject(event_type=[$0], person=[$1], auction=[$2], bid=[$3], dateTime=[$4], rowtime=[$5])
                     :        +- LogicalWatermarkAssigner(rowtime=[rowtime], watermark=[-($5, 4000:INTERVAL SECOND)])
                     :           +- LogicalProject(event_type=[$0], person=[$1], auction=[$2], bid=[$3], dateTime=[$4], rowtime=[TO_TIMESTAMP_LTZ($4, 3)])
                     :              +- LogicalTableScan(table=[[fluss, nexmark, events]])
                     +- LogicalProject(auction=[$3.auction], bidder=[$3.bidder], price=[$3.price], channel=[$3.channel], url=[$3.url], dateTime=[$5], extra=[$3.extra])
                        +- LogicalFilter(condition=[=($0, 2)])
                           +- LogicalProject(event_type=[$0], person=[$1], auction=[$2], bid=[$3], dateTime=[$4], rowtime=[$5])
                              +- LogicalWatermarkAssigner(rowtime=[rowtime], watermark=[-($5, 4000:INTERVAL SECOND)])
                                 +- LogicalProject(event_type=[$0], person=[$1], auction=[$2], bid=[$3], dateTime=[$4], rowtime=[TO_TIMESTAMP_LTZ($4, 3)])
                                    +- LogicalTableScan(table=[[fluss, nexmark, events]])

== Optimized Physical Plan ==
Sink(table=[fluss.nexmark.output_1398027797c44641a83ab05ac8240ef4], fields=[category, EXPR$1])
+- ArrowToRowData(reuseBarrier=[753])
   +- NativeColumnarGroupAggregate(reuseBarrier=[752])
      +- NativeColumnarExchange(reuseBarrier=[751])
         +- NativeColumnarLocalGroupAggregate(reuseBarrier=[750])
            +- NativeCalc(reuseBarrier=[749])
               +- NativeColumnarGroupAggregate(reuseBarrier=[748])
                  +- NativeColumnarExchange(reuseBarrier=[747])
                     +- NativeColumnarLocalGroupAggregate(reuseBarrier=[746])
                        +- NativeCalc(reuseBarrier=[745])
                           +- NativeColumnarUpdatingJoin(reuseBarrier=[744], leftJoinKeyUnique=[false], rightJoinKeyUnique=[false])
                              :- NativeColumnarExchange(reuseBarrier=[724])
                              :  +- NativeCalc(reuseBarrier=[723])
                              :     +- NativeMiniBatchAssigner(reuseBarrier=[722])
                              :        +- NativeCalc(reuseBarrier=[721])
                              :           +- NativeShare(consumers=[2], shareToken=[719])
                              :              +- NativeFlussSource(table=[nexmark.events], shareToken=[719])
                              +- NativeColumnarExchange(reuseBarrier=[743])
                                 +- NativeCalc(reuseBarrier=[742])
                                    +- NativeMiniBatchAssigner(reuseBarrier=[741])
                                       +- NativeCalc(reuseBarrier=[740])
                                          +- NativeShare(consumers=[2], shareToken=[719])
                                             +- NativeFlussSource(table=[nexmark.events], shareToken=[719])

== Optimized Execution Plan ==
Sink(table=[fluss.nexmark.output_1398027797c44641a83ab05ac8240ef4], fields=[category, EXPR$1])
+- ArrowToRowData
   +- NativeColumnarGroupAggregate
      +- NativeColumnarExchange
         +- NativeColumnarLocalGroupAggregate
            +- NativeCalc
               +- NativeColumnarGroupAggregate
                  +- NativeColumnarExchange
                     +- NativeColumnarLocalGroupAggregate
                        +- NativeCalc
                           +- NativeColumnarUpdatingJoin(leftJoinKeyUnique=[false], rightJoinKeyUnique=[false])
                              :- NativeColumnarExchange
                              :  +- NativeCalc
                              :     +- NativeMiniBatchAssigner
                              :        +- NativeCalc
                              :           +- NativeShare(consumers=[2])(reuse_id=[1])
                              :              +- NativeFlussSource(table=[nexmark.events])
                              +- NativeColumnarExchange
                                 +- NativeCalc
                                    +- NativeMiniBatchAssigner
                                       +- NativeCalc
                                          +- Reused(reference_id=[1])

== Physical Execution Plan ==
{
  "nodes" : [ {
    "id" : 911,
    "type" : "Source: native-fluss-source",
    "pact" : "Data Source",
    "contents" : "Source: native-fluss-source",
    "parallelism" : 4
  }, {
    "id" : 912,
    "type" : "NativeShareExecNode[656]",
    "pact" : "Operator",
    "contents" : "[656]:NativeShare(consumers=[2])",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 911,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 913,
    "type" : "NativeCalcExecNode[657]",
    "pact" : "Operator",
    "contents" : "[657]:NativeCalc",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 912,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 914,
    "type" : "NativeMiniBatchAssignerExecNode[658]",
    "pact" : "Operator",
    "contents" : "[658]:NativeMiniBatchAssigner",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 913,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 915,
    "type" : "NativeCalcExecNode[659]",
    "pact" : "Operator",
    "contents" : "[659]:NativeCalc",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 914,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 916,
    "type" : "NativeColumnarExchangeExecNode[660]",
    "pact" : "Operator",
    "contents" : "[660]:NativeColumnarExchange",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 915,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 918,
    "type" : "NativeCalcExecNode[661]",
    "pact" : "Operator",
    "contents" : "[661]:NativeCalc",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 912,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 919,
    "type" : "NativeMiniBatchAssignerExecNode[662]",
    "pact" : "Operator",
    "contents" : "[662]:NativeMiniBatchAssigner",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 918,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 920,
    "type" : "NativeCalcExecNode[663]",
    "pact" : "Operator",
    "contents" : "[663]:NativeCalc",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 919,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 921,
    "type" : "NativeColumnarExchangeExecNode[664]",
    "pact" : "Operator",
    "contents" : "[664]:NativeColumnarExchange",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 920,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 923,
    "type" : "NativeColumnarUpdatingJoinExecNode[665]",
    "pact" : "Operator",
    "contents" : "[665]:NativeColumnarUpdatingJoin(leftJoinKeyUnique=[false], rightJoinKeyUnique=[false])",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 916,
      "ship_strategy" : "columnar-key-group",
      "side" : "second"
    }, {
      "id" : 921,
      "ship_strategy" : "columnar-key-group",
      "side" : "second"
    } ]
  }, {
    "id" : 924,
    "type" : "NativeCalcExecNode[666]",
    "pact" : "Operator",
    "contents" : "[666]:NativeCalc",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 923,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 925,
    "type" : "NativeColumnarLocalGroupAggExecNode[667]",
    "pact" : "Operator",
    "contents" : "[667]:NativeColumnarLocalGroupAggregate",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 924,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 926,
    "type" : "NativeColumnarExchangeExecNode[668]",
    "pact" : "Operator",
    "contents" : "[668]:NativeColumnarExchange",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 925,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 928,
    "type" : "NativeColumnarGroupAggExecNode[669]",
    "pact" : "Operator",
    "contents" : "[669]:NativeColumnarGroupAggregate",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 926,
      "ship_strategy" : "columnar-key-group",
      "side" : "second"
    } ]
  }, {
    "id" : 929,
    "type" : "NativeCalcExecNode[670]",
    "pact" : "Operator",
    "contents" : "[670]:NativeCalc",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 928,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 930,
    "type" : "NativeColumnarLocalGroupAggExecNode[671]",
    "pact" : "Operator",
    "contents" : "[671]:NativeColumnarLocalGroupAggregate",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 929,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 931,
    "type" : "NativeColumnarExchangeExecNode[672]",
    "pact" : "Operator",
    "contents" : "[672]:NativeColumnarExchange",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 930,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 933,
    "type" : "NativeColumnarGroupAggExecNode[673]",
    "pact" : "Operator",
    "contents" : "[673]:NativeColumnarGroupAggregate",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 931,
      "ship_strategy" : "columnar-key-group",
      "side" : "second"
    } ]
  }, {
    "id" : 934,
    "type" : "ArrowToRowDataExecNode[674]",
    "pact" : "Operator",
    "contents" : "[674]:ArrowToRowData",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 933,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 935,
    "type" : "ConstraintEnforcer[675]",
    "pact" : "Operator",
    "contents" : "[675]:ConstraintEnforcer[NotNullEnforcer(fields=[id])]",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 934,
      "ship_strategy" : "FORWARD",
      "side" : "second"
    } ]
  }, {
    "id" : 943,
    "type" : "Sink(nexmark.output_1398027797c44641a83ab05ac8240ef4): Writer",
    "pact" : "Operator",
    "contents" : "Sink(nexmark.output_1398027797c44641a83ab05ac8240ef4): Writer",
    "parallelism" : 4,
    "predecessors" : [ {
      "id" : 935,
      "ship_strategy" : "BUCKET",
      "side" : "second"
    } ]
  } ]
}