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| <?xml version="1.0" encoding="utf-16"?> | |
| <ShowPlanXML xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" Version="1.481" Build="14.0.3162.1" xmlns="http://schemas.microsoft.com/sqlserver/2004/07/showplan"> | |
| <BatchSequence> | |
| <Batch> | |
| <Statements> | |
| <StmtSimple StatementCompId="1" StatementEstRows="299611" StatementId="1" StatementOptmLevel="FULL" CardinalityEstimationModelVersion="140" StatementSubTreeCost="1869.29" StatementText="SELECT u.Id, MAX(p.Score)
FROM dbo.Users AS u
CROSS APPLY
 (
 SELECT MAX(p.Score) AS Score
 FROM dbo.Posts AS p
 WHERE u.Id = p.OwnerUserId
 AND p.PostTypeId IN (1, 2)
 
 UNION
 
 SELECT MAX(p2.Score) AS Score
 FROM dbo.Posts AS p2
 WHERE u.Id = p2.LastEditorUserId
 AND p2.PostTypeId IN (1, 2) 
 ) AS p
GROUP BY u.Id
OPTION (USE HINT ('ENABLE_PARALLEL_PLAN_PREFERENCE'))" StatementType="SELECT" QueryHash="0x0470B0CCB4875910" QueryPlanHash="0xB69E6255DD86A6D7" RetrievedFromCache="true" SecurityPolicyApplied="false"> | |
| <StatementSetOptions ANSI_NULLS="true" ANSI_PADDING="true" ANSI_WARNINGS="true" ARITHABORT="true" CONCAT_NULL_YIELDS_NULL="true" NUMERIC_ROUNDABORT="false" QUOTED_IDENTIFIER="true" /> | |
| <QueryPlan DegreeOfParallelism="4" MemoryGrant="1608" CachedPlanSize="48" CompileTime="5" CompileCPU="5" CompileMemory="728"> | |
| <ThreadStat Branches="2" UsedThreads="8"> | |
| <ThreadReservation NodeId="0" ReservedThreads="8" /> | |
| </ThreadStat> | |
| <MemoryGrantInfo SerialRequiredMemory="0" SerialDesiredMemory="0" RequiredMemory="1608" DesiredMemory="1608" RequestedMemory="1608" GrantWaitTime="0" GrantedMemory="1608" MaxUsedMemory="1608" MaxQueryMemory="749080" /> | |
| <OptimizerHardwareDependentProperties EstimatedAvailableMemoryGrant="104857" EstimatedPagesCached="26214" EstimatedAvailableDegreeOfParallelism="2" MaxCompileMemory="2571384" /> | |
| <OptimizerStatsUsage> | |
| <StatisticsInfo Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Statistics="[i2]" ModificationCount="0" SamplingPercent="100" LastUpdate="2019-05-29T01:19:46.5" /> | |
| <StatisticsInfo Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Statistics="[_WA_Sys_0000000E_0519C6AF]" ModificationCount="0" SamplingPercent="100" LastUpdate="2019-01-29T06:17:16.43" /> | |
| <StatisticsInfo Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Statistics="[i1]" ModificationCount="0" SamplingPercent="100" LastUpdate="2019-05-29T01:19:44.24" /> | |
| <StatisticsInfo Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Statistics="[_WA_Sys_00000011_0519C6AF]" ModificationCount="0" SamplingPercent="1.76951" LastUpdate="2019-01-26T23:19:25.98" /> | |
| <StatisticsInfo Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Statistics="[_WA_Sys_00000010_0519C6AF]" ModificationCount="0" SamplingPercent="1.76951" LastUpdate="2019-01-26T23:19:25.59" /> | |
| </OptimizerStatsUsage> | |
| <WaitStats> | |
| <Wait WaitType="LATCH_EX" WaitTimeMs="1" WaitCount="3" /> | |
| <Wait WaitType="SESSION_WAIT_STATS_CHILDREN" WaitTimeMs="1" WaitCount="4" /> | |
| <Wait WaitType="SOS_SCHEDULER_YIELD" WaitTimeMs="712" WaitCount="1276" /> | |
| <Wait WaitType="ASYNC_NETWORK_IO" WaitTimeMs="757" WaitCount="183" /> | |
| <Wait WaitType="CXPACKET" WaitTimeMs="7862" WaitCount="217" /> | |
| </WaitStats> | |
| <QueryTimeStats CpuTime="8971" ElapsedTime="4497" /> | |
| <RelOp AvgRowSize="15" EstimateCPU="0.422863" EstimateIO="0" EstimateRebinds="0" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="299611" LogicalOp="Gather Streams" NodeId="0" Parallel="true" PhysicalOp="Parallelism" EstimatedTotalSubtreeCost="1869.29"> | |
| <OutputList> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| <ColumnReference Column="Expr1006" /> | |
| </OutputList> | |
| <RunTimeInformation> | |
| <RunTimeCountersPerThread Thread="0" ActualRows="299611" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="3586" ActualCPUms="25" /> | |
| </RunTimeInformation> | |
| <Parallelism> | |
| <RelOp AvgRowSize="15" EstimateCPU="0.164786" EstimateIO="0" EstimateRebinds="0" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="299611" LogicalOp="Aggregate" NodeId="1" Parallel="true" PhysicalOp="Stream Aggregate" EstimatedTotalSubtreeCost="1868.86"> | |
| <OutputList> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| <ColumnReference Column="Expr1006" /> | |
| </OutputList> | |
| <RunTimeInformation> | |
| <RunTimeCountersPerThread Thread="4" ActualRows="75044" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="4176" ActualCPUms="78" /> | |
| <RunTimeCountersPerThread Thread="3" ActualRows="74581" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="4293" ActualCPUms="77" /> | |
| <RunTimeCountersPerThread Thread="2" ActualRows="75102" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="4244" ActualCPUms="82" /> | |
| <RunTimeCountersPerThread Thread="1" ActualRows="74884" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="4211" ActualCPUms="79" /> | |
| <RunTimeCountersPerThread Thread="0" ActualRows="0" Batches="0" ActualEndOfScans="0" ActualExecutions="0" ActualExecutionMode="Row" ActualElapsedms="0" ActualCPUms="0" /> | |
| </RunTimeInformation> | |
| <StreamAggregate> | |
| <DefinedValues> | |
| <DefinedValue> | |
| <ColumnReference Column="Expr1006" /> | |
| <ScalarOperator ScalarString="MAX([Union1005])"> | |
| <Aggregate AggType="MAX" Distinct="false"> | |
| <ScalarOperator> | |
| <Identifier> | |
| <ColumnReference Column="Union1005" /> | |
| </Identifier> | |
| </ScalarOperator> | |
| </Aggregate> | |
| </ScalarOperator> | |
| </DefinedValue> | |
| </DefinedValues> | |
| <GroupBy> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| </GroupBy> | |
| <RelOp AvgRowSize="15" EstimateCPU="1.99923" EstimateIO="0" EstimateRebinds="0" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="299611" LogicalOp="Repartition Streams" NodeId="2" Parallel="true" PhysicalOp="Parallelism" EstimatedTotalSubtreeCost="1868.7"> | |
| <OutputList> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| <ColumnReference Column="Union1005" /> | |
| </OutputList> | |
| <RunTimeInformation> | |
| <RunTimeCountersPerThread Thread="4" ActualRows="133718" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="4131" ActualCPUms="33" /> | |
| <RunTimeCountersPerThread Thread="3" ActualRows="132867" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="4249" ActualCPUms="33" /> | |
| <RunTimeCountersPerThread Thread="2" ActualRows="134142" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="4198" ActualCPUms="36" /> | |
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| <RunTimeCountersPerThread Thread="0" ActualRows="0" Batches="0" ActualEndOfScans="0" ActualExecutions="0" ActualExecutionMode="Row" ActualElapsedms="0" ActualCPUms="0" /> | |
| </RunTimeInformation> | |
| <Parallelism PartitioningType="Hash"> | |
| <PartitionColumns> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| </PartitionColumns> | |
| <OrderBy> | |
| <OrderByColumn Ascending="true"> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| </OrderByColumn> | |
| </OrderBy> | |
| <RelOp AvgRowSize="15" EstimateCPU="0.626187" EstimateIO="0" EstimateRebinds="0" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="299611" LogicalOp="Inner Join" NodeId="3" Parallel="true" PhysicalOp="Nested Loops" EstimatedTotalSubtreeCost="1866.7"> | |
| <OutputList> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| <ColumnReference Column="Union1005" /> | |
| </OutputList> | |
| <RunTimeInformation> | |
| <RunTimeCountersPerThread Thread="4" ActualRows="148431" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="2420" ActualCPUms="2292" /> | |
| <RunTimeCountersPerThread Thread="3" ActualRows="110863" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="2079" ActualCPUms="1710" /> | |
| <RunTimeCountersPerThread Thread="2" ActualRows="119154" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="2034" ActualCPUms="1930" /> | |
| <RunTimeCountersPerThread Thread="1" ActualRows="155832" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="2442" ActualCPUms="2345" /> | |
| <RunTimeCountersPerThread Thread="0" ActualRows="0" Batches="0" ActualEndOfScans="0" ActualExecutions="0" ActualExecutionMode="Row" ActualElapsedms="0" ActualCPUms="0" /> | |
| </RunTimeInformation> | |
| <NestedLoops Optimized="false"> | |
| <OuterReferences> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| </OuterReferences> | |
| <RelOp AvgRowSize="11" EstimateCPU="0.164865" EstimateIO="5.42461" EstimateRebinds="0" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="299611" EstimatedRowsRead="299611" LogicalOp="Clustered Index Scan" NodeId="4" Parallel="true" PhysicalOp="Clustered Index Scan" EstimatedTotalSubtreeCost="5.58947" TableCardinality="299611"> | |
| <OutputList> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| </OutputList> | |
| <RunTimeInformation> | |
| <RunTimeCountersPerThread Thread="4" ActualRows="84224" ActualRowsRead="84224" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="31" ActualCPUms="30" ActualScans="1" ActualLogicalReads="2138" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| <RunTimeCountersPerThread Thread="3" ActualRows="62120" ActualRowsRead="62120" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="21" ActualCPUms="21" ActualScans="1" ActualLogicalReads="1491" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| <RunTimeCountersPerThread Thread="2" ActualRows="66124" ActualRowsRead="66124" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="25" ActualCPUms="22" ActualScans="1" ActualLogicalReads="1690" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| <RunTimeCountersPerThread Thread="1" ActualRows="87143" ActualRowsRead="87143" Batches="0" ActualEndOfScans="1" ActualExecutions="1" ActualExecutionMode="Row" ActualElapsedms="32" ActualCPUms="31" ActualScans="1" ActualLogicalReads="2135" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| <RunTimeCountersPerThread Thread="0" ActualRows="0" Batches="0" ActualEndOfScans="0" ActualExecutions="0" ActualExecutionMode="Row" ActualElapsedms="0" ActualCPUms="0" ActualScans="1" ActualLogicalReads="35" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| </RunTimeInformation> | |
| <IndexScan Ordered="true" ScanDirection="FORWARD" ForcedIndex="false" ForceSeek="false" ForceScan="false" NoExpandHint="false" Storage="RowStore"> | |
| <DefinedValues> | |
| <DefinedValue> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| </DefinedValue> | |
| </DefinedValues> | |
| <Object Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Index="[PK_Users_Id]" Alias="[u]" IndexKind="Clustered" Storage="RowStore" /> | |
| </IndexScan> | |
| </RelOp> | |
| <RelOp AvgRowSize="11" EstimateCPU="0.0056022" EstimateIO="0" EstimateRebinds="299610" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="1" LogicalOp="Union" NodeId="5" Parallel="true" PhysicalOp="Merge Join" EstimatedTotalSubtreeCost="1860.49"> | |
| <OutputList> | |
| <ColumnReference Column="Union1005" /> | |
| </OutputList> | |
| <RunTimeInformation> | |
| <RunTimeCountersPerThread Thread="4" ActualRows="148431" Batches="0" ActualEndOfScans="84224" ActualExecutions="84224" ActualExecutionMode="Row" ActualElapsedms="2348" ActualCPUms="2220" ActualScans="0" ActualLogicalReads="0" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
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| <RunTimeCountersPerThread Thread="0" ActualRows="0" Batches="0" ActualEndOfScans="0" ActualExecutions="0" ActualExecutionMode="Row" ActualElapsedms="0" ActualCPUms="0" ActualScans="0" ActualLogicalReads="0" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| </RunTimeInformation> | |
| <Merge> | |
| <DefinedValues> | |
| <DefinedValue> | |
| <ColumnReference Column="Union1005" /> | |
| <ColumnReference Column="Expr1002" /> | |
| <ColumnReference Column="Expr1004" /> | |
| </DefinedValue> | |
| </DefinedValues> | |
| <RelOp AvgRowSize="11" EstimateCPU="9.05087E-06" EstimateIO="0" EstimateRebinds="299610" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="1" LogicalOp="Aggregate" NodeId="6" Parallel="true" PhysicalOp="Stream Aggregate" EstimatedTotalSubtreeCost="86.2475"> | |
| <OutputList> | |
| <ColumnReference Column="Expr1002" /> | |
| </OutputList> | |
| <RunTimeInformation> | |
| <RunTimeCountersPerThread Thread="4" ActualRows="84224" Batches="0" ActualEndOfScans="84224" ActualExecutions="84224" ActualExecutionMode="Row" ActualElapsedms="1334" ActualCPUms="1263" /> | |
| <RunTimeCountersPerThread Thread="3" ActualRows="62120" Batches="0" ActualEndOfScans="62120" ActualExecutions="62120" ActualExecutionMode="Row" ActualElapsedms="1106" ActualCPUms="909" /> | |
| <RunTimeCountersPerThread Thread="2" ActualRows="66124" Batches="0" ActualEndOfScans="66124" ActualExecutions="66124" ActualExecutionMode="Row" ActualElapsedms="1109" ActualCPUms="1060" /> | |
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| <RunTimeCountersPerThread Thread="0" ActualRows="0" Batches="0" ActualEndOfScans="0" ActualExecutions="0" ActualExecutionMode="Row" ActualElapsedms="0" ActualCPUms="0" /> | |
| </RunTimeInformation> | |
| <StreamAggregate> | |
| <DefinedValues> | |
| <DefinedValue> | |
| <ColumnReference Column="Expr1002" /> | |
| <ScalarOperator ScalarString="MAX([StackOverflow2010].[dbo].[Posts].[Score] as [p].[Score])"> | |
| <Aggregate AggType="MAX" Distinct="false"> | |
| <ScalarOperator> | |
| <Identifier> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p]" Column="Score" /> | |
| </Identifier> | |
| </ScalarOperator> | |
| </Aggregate> | |
| </ScalarOperator> | |
| </DefinedValue> | |
| </DefinedValues> | |
| <RelOp AvgRowSize="11" EstimateCPU="0.000172677" EstimateIO="0.003125" EstimateRebinds="299610" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="14.2515" EstimatedRowsRead="14.2515" LogicalOp="Index Seek" NodeId="7" Parallel="true" PhysicalOp="Index Seek" EstimatedTotalSubtreeCost="83.5358" TableCardinality="3744190"> | |
| <OutputList> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p]" Column="Score" /> | |
| </OutputList> | |
| <RunTimeInformation> | |
| <RunTimeCountersPerThread Thread="4" ActualRows="975191" ActualRowsRead="975191" Batches="0" ActualEndOfScans="84224" ActualExecutions="84224" ActualExecutionMode="Row" ActualElapsedms="1129" ActualCPUms="1058" ActualScans="168448" ActualLogicalReads="508586" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
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| <RunTimeCountersPerThread Thread="2" ActualRows="908706" ActualRowsRead="908706" Batches="0" ActualEndOfScans="66124" ActualExecutions="66124" ActualExecutionMode="Row" ActualElapsedms="923" ActualCPUms="874" ActualScans="132248" ActualLogicalReads="399741" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
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| <RunTimeCountersPerThread Thread="0" ActualRows="0" Batches="0" ActualEndOfScans="0" ActualExecutions="0" ActualExecutionMode="Row" ActualElapsedms="0" ActualCPUms="0" ActualScans="0" ActualLogicalReads="0" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| </RunTimeInformation> | |
| <IndexScan Ordered="true" ScanDirection="FORWARD" ForcedIndex="false" ForceSeek="false" ForceScan="false" NoExpandHint="false" Storage="RowStore"> | |
| <DefinedValues> | |
| <DefinedValue> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p]" Column="Score" /> | |
| </DefinedValue> | |
| </DefinedValues> | |
| <Object Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Index="[i1]" Alias="[p]" IndexKind="NonClustered" Storage="RowStore" /> | |
| <SeekPredicates> | |
| <SeekPredicateNew> | |
| <SeekKeys> | |
| <Prefix ScanType="EQ"> | |
| <RangeColumns> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p]" Column="OwnerUserId" /> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p]" Column="PostTypeId" /> | |
| </RangeColumns> | |
| <RangeExpressions> | |
| <ScalarOperator ScalarString="[StackOverflow2010].[dbo].[Users].[Id] as [u].[Id]"> | |
| <Identifier> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| </Identifier> | |
| </ScalarOperator> | |
| <ScalarOperator ScalarString="(1)"> | |
| <Const ConstValue="(1)" /> | |
| </ScalarOperator> | |
| </RangeExpressions> | |
| </Prefix> | |
| </SeekKeys> | |
| </SeekPredicateNew> | |
| <SeekPredicateNew> | |
| <SeekKeys> | |
| <Prefix ScanType="EQ"> | |
| <RangeColumns> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p]" Column="OwnerUserId" /> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p]" Column="PostTypeId" /> | |
| </RangeColumns> | |
| <RangeExpressions> | |
| <ScalarOperator ScalarString="[StackOverflow2010].[dbo].[Users].[Id] as [u].[Id]"> | |
| <Identifier> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| </Identifier> | |
| </ScalarOperator> | |
| <ScalarOperator ScalarString="(2)"> | |
| <Const ConstValue="(2)" /> | |
| </ScalarOperator> | |
| </RangeExpressions> | |
| </Prefix> | |
| </SeekKeys> | |
| </SeekPredicateNew> | |
| </SeekPredicates> | |
| </IndexScan> | |
| </RelOp> | |
| </StreamAggregate> | |
| </RelOp> | |
| <RelOp AvgRowSize="11" EstimateCPU="2.0249E-05" EstimateIO="0" EstimateRebinds="299610" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="1" LogicalOp="Aggregate" NodeId="8" Parallel="true" PhysicalOp="Stream Aggregate" EstimatedTotalSubtreeCost="95.7568"> | |
| <OutputList> | |
| <ColumnReference Column="Expr1004" /> | |
| </OutputList> | |
| <RunTimeInformation> | |
| <RunTimeCountersPerThread Thread="4" ActualRows="84224" Batches="0" ActualEndOfScans="84224" ActualExecutions="84224" ActualExecutionMode="Row" ActualElapsedms="954" ActualCPUms="898" /> | |
| <RunTimeCountersPerThread Thread="3" ActualRows="62120" Batches="0" ActualEndOfScans="62120" ActualExecutions="62120" ActualExecutionMode="Row" ActualElapsedms="867" ActualCPUms="703" /> | |
| <RunTimeCountersPerThread Thread="2" ActualRows="66124" Batches="0" ActualEndOfScans="66124" ActualExecutions="66124" ActualExecutionMode="Row" ActualElapsedms="819" ActualCPUms="766" /> | |
| <RunTimeCountersPerThread Thread="1" ActualRows="87143" Batches="0" ActualEndOfScans="87143" ActualExecutions="87143" ActualExecutionMode="Row" ActualElapsedms="952" ActualCPUms="921" /> | |
| <RunTimeCountersPerThread Thread="0" ActualRows="0" Batches="0" ActualEndOfScans="0" ActualExecutions="0" ActualExecutionMode="Row" ActualElapsedms="0" ActualCPUms="0" /> | |
| </RunTimeInformation> | |
| <StreamAggregate> | |
| <DefinedValues> | |
| <DefinedValue> | |
| <ColumnReference Column="Expr1004" /> | |
| <ScalarOperator ScalarString="MAX([StackOverflow2010].[dbo].[Posts].[Score] as [p2].[Score])"> | |
| <Aggregate AggType="MAX" Distinct="false"> | |
| <ScalarOperator> | |
| <Identifier> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p2]" Column="Score" /> | |
| </Identifier> | |
| </ScalarOperator> | |
| </Aggregate> | |
| </ScalarOperator> | |
| </DefinedValue> | |
| </DefinedValues> | |
| <RelOp AvgRowSize="11" EstimateCPU="0.000193207" EstimateIO="0.003125" EstimateRebinds="299610" EstimateRewinds="0" EstimatedExecutionMode="Row" EstimateRows="32.9151" EstimatedRowsRead="32.9151" LogicalOp="Index Seek" NodeId="9" Parallel="true" PhysicalOp="Index Seek" EstimatedTotalSubtreeCost="89.6899" TableCardinality="3744190"> | |
| <OutputList> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p2]" Column="Score" /> | |
| </OutputList> | |
| <RunTimeInformation> | |
| <RunTimeCountersPerThread Thread="4" ActualRows="256348" ActualRowsRead="256348" Batches="0" ActualEndOfScans="84224" ActualExecutions="84224" ActualExecutionMode="Row" ActualElapsedms="872" ActualCPUms="816" ActualScans="168448" ActualLogicalReads="506556" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| <RunTimeCountersPerThread Thread="3" ActualRows="336453" ActualRowsRead="336453" Batches="0" ActualEndOfScans="62120" ActualExecutions="62120" ActualExecutionMode="Row" ActualElapsedms="783" ActualCPUms="619" ActualScans="124240" ActualLogicalReads="373969" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| <RunTimeCountersPerThread Thread="2" ActualRows="246665" ActualRowsRead="246665" Batches="0" ActualEndOfScans="66124" ActualExecutions="66124" ActualExecutionMode="Row" ActualElapsedms="735" ActualCPUms="682" ActualScans="132248" ActualLogicalReads="397868" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| <RunTimeCountersPerThread Thread="1" ActualRows="306811" ActualRowsRead="306811" Batches="0" ActualEndOfScans="87143" ActualExecutions="87143" ActualExecutionMode="Row" ActualElapsedms="857" ActualCPUms="827" ActualScans="174286" ActualLogicalReads="524158" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| <RunTimeCountersPerThread Thread="0" ActualRows="0" Batches="0" ActualEndOfScans="0" ActualExecutions="0" ActualExecutionMode="Row" ActualElapsedms="0" ActualCPUms="0" ActualScans="0" ActualLogicalReads="0" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" /> | |
| </RunTimeInformation> | |
| <IndexScan Ordered="true" ScanDirection="FORWARD" ForcedIndex="false" ForceSeek="false" ForceScan="false" NoExpandHint="false" Storage="RowStore"> | |
| <DefinedValues> | |
| <DefinedValue> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p2]" Column="Score" /> | |
| </DefinedValue> | |
| </DefinedValues> | |
| <Object Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Index="[i2]" Alias="[p2]" IndexKind="NonClustered" Storage="RowStore" /> | |
| <SeekPredicates> | |
| <SeekPredicateNew> | |
| <SeekKeys> | |
| <Prefix ScanType="EQ"> | |
| <RangeColumns> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p2]" Column="LastEditorUserId" /> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p2]" Column="PostTypeId" /> | |
| </RangeColumns> | |
| <RangeExpressions> | |
| <ScalarOperator ScalarString="[StackOverflow2010].[dbo].[Users].[Id] as [u].[Id]"> | |
| <Identifier> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| </Identifier> | |
| </ScalarOperator> | |
| <ScalarOperator ScalarString="(1)"> | |
| <Const ConstValue="(1)" /> | |
| </ScalarOperator> | |
| </RangeExpressions> | |
| </Prefix> | |
| </SeekKeys> | |
| </SeekPredicateNew> | |
| <SeekPredicateNew> | |
| <SeekKeys> | |
| <Prefix ScanType="EQ"> | |
| <RangeColumns> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p2]" Column="LastEditorUserId" /> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Posts]" Alias="[p2]" Column="PostTypeId" /> | |
| </RangeColumns> | |
| <RangeExpressions> | |
| <ScalarOperator ScalarString="[StackOverflow2010].[dbo].[Users].[Id] as [u].[Id]"> | |
| <Identifier> | |
| <ColumnReference Database="[StackOverflow2010]" Schema="[dbo]" Table="[Users]" Alias="[u]" Column="Id" /> | |
| </Identifier> | |
| </ScalarOperator> | |
| <ScalarOperator ScalarString="(2)"> | |
| <Const ConstValue="(2)" /> | |
| </ScalarOperator> | |
| </RangeExpressions> | |
| </Prefix> | |
| </SeekKeys> | |
| </SeekPredicateNew> | |
| </SeekPredicates> | |
| </IndexScan> | |
| </RelOp> | |
| </StreamAggregate> | |
| </RelOp> | |
| </Merge> | |
| </RelOp> | |
| </NestedLoops> | |
| </RelOp> | |
| </Parallelism> | |
| </RelOp> | |
| </StreamAggregate> | |
| </RelOp> | |
| </Parallelism> | |
| </RelOp> | |
| </QueryPlan> | |
| </StmtSimple> | |
| </Statements> | |
| </Batch> | |
| </BatchSequence> | |
| </ShowPlanXML> |
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