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5 rows affected
| x | y |
|---|---|
| 1 | null |
| 2 | null |
| 3 | null |
| Microsoft SQL Server 2005 XML Showplan |
|---|
| <ShowPlanXML xmlns="http://schemas.microsoft.com/sqlserver/2004/07/showplan" Version="1.481" Build="14.0.3451.2"><BatchSequence><Batch><Statements><StmtSimple StatementText="select * from A LEFT JOIN B ON 1=0" StatementId="1" StatementCompId="2" StatementType="SELECT" RetrievedFromCache="true" StatementSubTreeCost="0.0032856" StatementEstRows="3" SecurityPolicyApplied="false" StatementOptmLevel="TRIVIAL" QueryHash="0xE55392B610EC533E" QueryPlanHash="0xF626A8CFCFF5CBBA" CardinalityEstimationModelVersion="140"><StatementSetOptions QUOTED_IDENTIFIER="true" ARITHABORT="true" CONCAT_NULL_YIELDS_NULL="true" ANSI_NULLS="true" ANSI_PADDING="true" ANSI_WARNINGS="true" NUMERIC_ROUNDABORT="false"></StatementSetOptions><QueryPlan DegreeOfParallelism="0" NonParallelPlanReason="NoParallelPlansInDesktopOrExpressEdition" CachedPlanSize="16" CompileTime="0" CompileCPU="0" CompileMemory="120"><MemoryGrantInfo SerialRequiredMemory="0" SerialDesiredMemory="0"></MemoryGrantInfo><OptimizerHardwareDependentProperties EstimatedAvailableMemoryGrant="1258238" EstimatedPagesCached="78639" EstimatedAvailableDegreeOfParallelism="1" MaxCompileMemory="817984"></OptimizerHardwareDependentProperties><TraceFlags IsCompileTime="1"><TraceFlag Value="460" Scope="Global"></TraceFlag><TraceFlag Value="8017" Scope="Global"></TraceFlag></TraceFlags><TraceFlags IsCompileTime="0"><TraceFlag Value="460" Scope="Global"></TraceFlag><TraceFlag Value="8017" Scope="Global"></TraceFlag></TraceFlags><QueryTimeStats ElapsedTime="0" CpuTime="0"></QueryTimeStats><RelOp NodeId="0" PhysicalOp="Compute Scalar" LogicalOp="Compute Scalar" EstimateRows="3" EstimateIO="0" EstimateCPU="3e-007" AvgRowSize="15" EstimatedTotalSubtreeCost="0.0032856" Parallel="0" EstimateRebinds="0" EstimateRewinds="0" EstimatedExecutionMode="Row"><OutputList><ColumnReference Database="[fiddle_0a4e83d9a6244d41a4696fb856e4d916]" Schema="[dbo]" Table="[A]" Column="x"></ColumnReference><ColumnReference Database="[fiddle_0a4e83d9a6244d41a4696fb856e4d916]" Schema="[dbo]" Table="[B]" Column="y"></ColumnReference></OutputList><ComputeScalar><DefinedValues><DefinedValue><ColumnReference Database="[fiddle_0a4e83d9a6244d41a4696fb856e4d916]" Schema="[dbo]" Table="[B]" Column="y"></ColumnReference><ScalarOperator ScalarString="NULL"><Const ConstValue="NULL"></Const></ScalarOperator></DefinedValue></DefinedValues><RelOp NodeId="1" PhysicalOp="Clustered Index Scan" LogicalOp="Clustered Index Scan" EstimateRows="3" EstimatedRowsRead="3" EstimateIO="0.003125" EstimateCPU="0.0001603" AvgRowSize="11" EstimatedTotalSubtreeCost="0.0032853" TableCardinality="3" Parallel="0" EstimateRebinds="0" EstimateRewinds="0" EstimatedExecutionMode="Row"><OutputList><ColumnReference Database="[fiddle_0a4e83d9a6244d41a4696fb856e4d916]" Schema="[dbo]" Table="[A]" Column="x"></ColumnReference></OutputList><RunTimeInformation><RunTimeCountersPerThread Thread="0" ActualRows="3" Batches="0" ActualExecutionMode="Row" ActualElapsedms="0" ActualCPUms="0" ActualScans="1" ActualLogicalReads="2" ActualPhysicalReads="0" ActualReadAheads="0" ActualLobLogicalReads="0" ActualLobPhysicalReads="0" ActualLobReadAheads="0" ActualRowsRead="3" ActualEndOfScans="1" ActualExecutions="1"></RunTimeCountersPerThread></RunTimeInformation><IndexScan Ordered="0" ForcedIndex="0" ForceScan="0" NoExpandHint="0" Storage="RowStore"><DefinedValues><DefinedValue><ColumnReference Database="[fiddle_0a4e83d9a6244d41a4696fb856e4d916]" Schema="[dbo]" Table="[A]" Column="x"></ColumnReference></DefinedValue></DefinedValues><Object Database="[fiddle_0a4e83d9a6244d41a4696fb856e4d916]" Schema="[dbo]" Table="[A]" Index="[PK__A__3BD019E59B1E37E8]" IndexKind="Clustered" Storage="RowStore"></Object></IndexScan></RelOp></ComputeScalar></RelOp></QueryPlan></StmtSimple></Statements></Batch></BatchSequence></ShowPlanXML> |