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未验证 提交 f97a3e23 编写于 作者: C Chris Hajas 提交者： GitHub
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Fix handling of empty constraint array in Orca (#11139) 

During preprocessing, Orca simplifies the query by merging/deduplicating
constraints. However, Orca did not consider the case where the passed in
constraint was a column compared with an empty array. This assumption
caused Orca to crash when dealing with predicates such as `a = ANY('{}')`.

Instead, we now explicitly return an empty constraint when dealing with an ANY('{}')
clause. For ALL('{}'), we won't process the constraint as there's no
simplification to do.
上级 12296f0f
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Showing with 825 addition and 6 deletion
src/backend/gporca/data/dxl/minidump/ArrayCmpAllEmpty.mdp 0 → 100644
浏览文件 @ f97a3e23
<?xml version="1.0" encoding="UTF-8"?>
<dxl:DXLMessage xmlns:dxl="http://greenplum.com/dxl/2010/12/">
<dxl:Comment><![CDATA[
Objective: Orca should successfully generate a plan and appropiately merge empty constraints for ALL('{}')
create table foo (a int);
explain select 1 from foo where foo.a = all('{}');
QUERY PLAN
------------------------------------------------------------------------------------
Result (cost=0.00..431.00 rows=1 width=4)
-> Gather Motion 3:1 (slice1; segments: 3) (cost=0.00..431.00 rows=1 width=1)
-> Seq Scan on foo (cost=0.00..431.00 rows=1 width=1)
Filter: (a = ALL ('{}'::integer[]))
Optimizer: Pivotal Optimizer (GPORCA)
(5 rows)
]]>
</dxl:Comment>
<dxl:Thread Id="0">
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<dxl:StatisticsConfig DampingFactorFilter="0.750000" DampingFactorJoin="0.010000" DampingFactorGroupBy="0.750000" MaxStatsBuckets="100"/>
<dxl:CTEConfig CTEInliningCutoff="0"/>
<dxl:WindowOids RowNumber="3100" Rank="3101"/>
<dxl:CostModelConfig CostModelType="1" SegmentsForCosting="3">
<dxl:CostParams>
<dxl:CostParam Name="NLJFactor" Value="1024.000000" LowerBound="1023.500000" UpperBound="1024.500000"/>
</dxl:CostParams>
</dxl:CostModelConfig>
<dxl:Hint MinNumOfPartsToRequireSortOnInsert="2147483647" JoinArityForAssociativityCommutativity="18" ArrayExpansionThreshold="100" JoinOrderDynamicProgThreshold="10" BroadcastThreshold="100000" EnforceConstraintsOnDML="false" PushGroupByBelowSetopThreshold="10"/>
<dxl:TraceFlags Value="102074,102120,102146,102152,103001,103014,103022,103027,103029,103038,104002,104003,104004,104005,105000,106000"/>
</dxl:OptimizerConfig>
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<dxl:RelationStatistics Mdid="2.7420245.1.0" Name="foo" Rows="0.000000" EmptyRelation="true"/>
<dxl:Relation Mdid="0.7420245.1.0" Name="foo" IsTemporary="false" HasOids="false" StorageType="Heap" DistributionPolicy="Hash" DistributionColumns="0" Keys="7,1" NumberLeafPartitions="0">
<dxl:Columns>
<dxl:Column Name="a" Attno="1" Mdid="0.23.1.0" Nullable="true" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
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<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="xmin" Attno="-3" Mdid="0.28.1.0" Nullable="false" ColWidth="4">
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<dxl:DefaultValue/>
</dxl:Column>
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</dxl:Column>
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</dxl:ArrayComp>
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src/backend/gporca/data/dxl/minidump/ArrayCmpAnyEmpty.mdp 0 → 100644
浏览文件 @ f97a3e23
<?xml version="1.0" encoding="UTF-8"?>
<dxl:DXLMessage xmlns:dxl="http://greenplum.com/dxl/2010/12/">
<dxl:Comment><![CDATA[
Objective: Orca should successfully generate a plan and appropiately merge empty constraints
create table foo (a int);
explain select 1 from foo where foo.a=ANY('{}');
QUERY PLAN
------------------------------------------------
Result (cost=0.00..0.00 rows=0 width=4)
-> Result (cost=0.00..0.00 rows=0 width=4)
One-Time Filter: false
Optimizer: Pivotal Optimizer (GPORCA)
(4 rows)
]]>
</dxl:Comment>
<dxl:Thread Id="0">
<dxl:OptimizerConfig>
<dxl:EnumeratorConfig Id="0" PlanSamples="0" CostThreshold="0"/>
<dxl:StatisticsConfig DampingFactorFilter="0.750000" DampingFactorJoin="0.010000" DampingFactorGroupBy="0.750000" MaxStatsBuckets="100"/>
<dxl:CTEConfig CTEInliningCutoff="0"/>
<dxl:WindowOids RowNumber="3100" Rank="3101"/>
<dxl:CostModelConfig CostModelType="1" SegmentsForCosting="3">
<dxl:CostParams>
<dxl:CostParam Name="NLJFactor" Value="1024.000000" LowerBound="1023.500000" UpperBound="1024.500000"/>
</dxl:CostParams>
</dxl:CostModelConfig>
<dxl:Hint MinNumOfPartsToRequireSortOnInsert="2147483647" JoinArityForAssociativityCommutativity="18" ArrayExpansionThreshold="100" JoinOrderDynamicProgThreshold="10" BroadcastThreshold="100000" EnforceConstraintsOnDML="false" PushGroupByBelowSetopThreshold="10"/>
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<dxl:LessThanEqualsOp Mdid="0.0.0.0"/>
<dxl:GreaterThanOp Mdid="0.0.0.0"/>
<dxl:GreaterThanEqualsOp Mdid="0.0.0.0"/>
<dxl:ComparisonOp Mdid="0.0.0.0"/>
<dxl:ArrayType Mdid="0.1012.1.0"/>
<dxl:MinAgg Mdid="0.0.0.0"/>
<dxl:MaxAgg Mdid="0.0.0.0"/>
<dxl:AvgAgg Mdid="0.0.0.0"/>
<dxl:SumAgg Mdid="0.0.0.0"/>
<dxl:CountAgg Mdid="0.2147.1.0"/>
</dxl:Type>
<dxl:Type Mdid="0.28.1.0" Name="xid" IsRedistributable="true" IsHashable="true" IsMergeJoinable="false" IsComposite="false" IsTextRelated="false" IsFixedLength="true" Length="4" PassByValue="true">
<dxl:DistrOpfamily Mdid="0.2225.1.0"/>
<dxl:EqualityOp Mdid="0.352.1.0"/>
<dxl:InequalityOp Mdid="0.0.0.0"/>
<dxl:LessThanOp Mdid="0.0.0.0"/>
<dxl:LessThanEqualsOp Mdid="0.0.0.0"/>
<dxl:GreaterThanOp Mdid="0.0.0.0"/>
<dxl:GreaterThanEqualsOp Mdid="0.0.0.0"/>
<dxl:ComparisonOp Mdid="0.0.0.0"/>
<dxl:ArrayType Mdid="0.1011.1.0"/>
<dxl:MinAgg Mdid="0.0.0.0"/>
<dxl:MaxAgg Mdid="0.0.0.0"/>
<dxl:AvgAgg Mdid="0.0.0.0"/>
<dxl:SumAgg Mdid="0.0.0.0"/>
<dxl:CountAgg Mdid="0.2147.1.0"/>
</dxl:Type>
<dxl:Relation Mdid="0.7403861.1.0" Name="foo" IsTemporary="false" HasOids="false" StorageType="Heap" DistributionPolicy="Hash" DistributionColumns="0" Keys="7,1" NumberLeafPartitions="0">
<dxl:Columns>
<dxl:Column Name="a" Attno="1" Mdid="0.23.1.0" Nullable="true" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="ctid" Attno="-1" Mdid="0.27.1.0" Nullable="false" ColWidth="6">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="xmin" Attno="-3" Mdid="0.28.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="cmin" Attno="-4" Mdid="0.29.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="xmax" Attno="-5" Mdid="0.28.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="cmax" Attno="-6" Mdid="0.29.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="tableoid" Attno="-7" Mdid="0.26.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="gp_segment_id" Attno="-8" Mdid="0.23.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
</dxl:Columns>
<dxl:IndexInfoList/>
<dxl:Triggers/>
<dxl:CheckConstraints/>
<dxl:DistrOpfamilies>
<dxl:DistrOpfamily Mdid="0.1977.1.0"/>
</dxl:DistrOpfamilies>
</dxl:Relation>
<dxl:GPDBScalarOp Mdid="0.96.1.0" Name="=" ComparisonType="Eq" ReturnsNullOnNullInput="true" IsNDVPreserving="false">
<dxl:LeftType Mdid="0.23.1.0"/>
<dxl:RightType Mdid="0.23.1.0"/>
<dxl:ResultType Mdid="0.16.1.0"/>
<dxl:OpFunc Mdid="0.65.1.0"/>
<dxl:Commutator Mdid="0.96.1.0"/>
<dxl:InverseOp Mdid="0.518.1.0"/>
<dxl:HashOpfamily Mdid="0.1977.1.0"/>
<dxl:LegacyHashOpfamily Mdid="0.7100.1.0"/>
<dxl:Opfamilies>
<dxl:Opfamily Mdid="0.1976.1.0"/>
<dxl:Opfamily Mdid="0.1977.1.0"/>
<dxl:Opfamily Mdid="0.7027.1.0"/>
<dxl:Opfamily Mdid="0.7100.1.0"/>
</dxl:Opfamilies>
</dxl:GPDBScalarOp>
</dxl:Metadata>
<dxl:Query>
<dxl:OutputColumns>
<dxl:Ident ColId="9" ColName="?column?" TypeMdid="0.23.1.0"/>
</dxl:OutputColumns>
<dxl:CTEList/>
<dxl:LogicalProject>
<dxl:ProjList>
<dxl:ProjElem ColId="9" Alias="?column?">
<dxl:ConstValue TypeMdid="0.23.1.0" Value="1"/>
</dxl:ProjElem>
</dxl:ProjList>
<dxl:LogicalSelect>
<dxl:ArrayComp OperatorName="=" OperatorMdid="0.96.1.0" OperatorType="Any">
<dxl:Ident ColId="1" ColName="a" TypeMdid="0.23.1.0"/>
<dxl:Array ArrayType="0.1007.1.0" ElementType="0.23.1.0" MultiDimensional="false"/>
</dxl:ArrayComp>
<dxl:LogicalGet>
<dxl:TableDescriptor Mdid="0.7403861.1.0" TableName="foo">
<dxl:Columns>
<dxl:Column ColId="1" Attno="1" ColName="a" TypeMdid="0.23.1.0" ColWidth="4"/>
<dxl:Column ColId="2" Attno="-1" ColName="ctid" TypeMdid="0.27.1.0" ColWidth="6"/>
<dxl:Column ColId="3" Attno="-3" ColName="xmin" TypeMdid="0.28.1.0" ColWidth="4"/>
<dxl:Column ColId="4" Attno="-4" ColName="cmin" TypeMdid="0.29.1.0" ColWidth="4"/>
<dxl:Column ColId="5" Attno="-5" ColName="xmax" TypeMdid="0.28.1.0" ColWidth="4"/>
<dxl:Column ColId="6" Attno="-6" ColName="cmax" TypeMdid="0.29.1.0" ColWidth="4"/>
<dxl:Column ColId="7" Attno="-7" ColName="tableoid" TypeMdid="0.26.1.0" ColWidth="4"/>
<dxl:Column ColId="8" Attno="-8" ColName="gp_segment_id" TypeMdid="0.23.1.0" ColWidth="4"/>
</dxl:Columns>
</dxl:TableDescriptor>
</dxl:LogicalGet>
</dxl:LogicalSelect>
</dxl:LogicalProject>
</dxl:Query>
<dxl:Plan Id="0" SpaceSize="0">
<dxl:Result>
<dxl:Properties>
<dxl:Cost StartupCost="0" TotalCost="0.000000" Rows="0.000000" Width="4"/>
</dxl:Properties>
<dxl:ProjList>
<dxl:ProjElem ColId="8" Alias="?column?">
<dxl:Ident ColId="8" ColName="?column?" TypeMdid="0.23.1.0"/>
</dxl:ProjElem>
</dxl:ProjList>
<dxl:Filter/>
<dxl:OneTimeFilter/>
<dxl:Result>
<dxl:Properties>
<dxl:Cost StartupCost="0" TotalCost="0.000000" Rows="0.000000" Width="4"/>
</dxl:Properties>
<dxl:ProjList>
<dxl:ProjElem ColId="8" Alias="?column?">
<dxl:ConstValue TypeMdid="0.23.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="0" Alias="a">
<dxl:ConstValue TypeMdid="0.23.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="1" Alias="ctid">
<dxl:ConstValue TypeMdid="0.27.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="2" Alias="xmin">
<dxl:ConstValue TypeMdid="0.28.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="3" Alias="cmin">
<dxl:ConstValue TypeMdid="0.29.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="4" Alias="xmax">
<dxl:ConstValue TypeMdid="0.28.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="5" Alias="cmax">
<dxl:ConstValue TypeMdid="0.29.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="6" Alias="tableoid">
<dxl:ConstValue TypeMdid="0.26.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="7" Alias="gp_segment_id">
<dxl:ConstValue TypeMdid="0.23.1.0" IsNull="true"/>
</dxl:ProjElem>
</dxl:ProjList>
<dxl:Filter/>
<dxl:OneTimeFilter>
<dxl:ConstValue TypeMdid="0.16.1.0" Value="false"/>
</dxl:OneTimeFilter>
</dxl:Result>
</dxl:Result>
</dxl:Plan>
</dxl:Thread>
</dxl:DXLMessage>
src/backend/gporca/data/dxl/minidump/ArrayCmpAnyEmptyLessThan.mdp 0 → 100644
浏览文件 @ f97a3e23
<?xml version="1.0" encoding="UTF-8"?>
<dxl:DXLMessage xmlns:dxl="http://greenplum.com/dxl/2010/12/">
<dxl:Comment><![CDATA[
Objective: Orca should successfully generate a plan and appropiately merge empty constraints for ANY constraint
create table foo (a int);
explain select 1 from foo where foo.a < any('{}');
QUERY PLAN
------------------------------------------------
Result (cost=0.00..0.00 rows=0 width=4)
-> Result (cost=0.00..0.00 rows=0 width=4)
One-Time Filter: false
Optimizer: Pivotal Optimizer (GPORCA)
(4 rows)
]]>
</dxl:Comment>
<dxl:Thread Id="0">
<dxl:OptimizerConfig>
<dxl:EnumeratorConfig Id="0" PlanSamples="0" CostThreshold="0"/>
<dxl:StatisticsConfig DampingFactorFilter="0.750000" DampingFactorJoin="0.010000" DampingFactorGroupBy="0.750000" MaxStatsBuckets="100"/>
<dxl:CTEConfig CTEInliningCutoff="0"/>
<dxl:WindowOids RowNumber="3100" Rank="3101"/>
<dxl:CostModelConfig CostModelType="1" SegmentsForCosting="3">
<dxl:CostParams>
<dxl:CostParam Name="NLJFactor" Value="1024.000000" LowerBound="1023.500000" UpperBound="1024.500000"/>
</dxl:CostParams>
</dxl:CostModelConfig>
<dxl:Hint MinNumOfPartsToRequireSortOnInsert="2147483647" JoinArityForAssociativityCommutativity="18" ArrayExpansionThreshold="100" JoinOrderDynamicProgThreshold="10" BroadcastThreshold="100000" EnforceConstraintsOnDML="false" PushGroupByBelowSetopThreshold="10"/>
<dxl:TraceFlags Value="102074,102120,102146,102152,103001,103014,103022,103027,103029,103038,104002,104003,104004,104005,105000,106000"/>
</dxl:OptimizerConfig>
<dxl:Metadata SystemIds="0.GPDB">
<dxl:Type Mdid="0.16.1.0" Name="bool" IsRedistributable="true" IsHashable="true" IsMergeJoinable="true" IsComposite="false" IsTextRelated="false" IsFixedLength="true" Length="1" PassByValue="true">
<dxl:DistrOpfamily Mdid="0.2222.1.0"/>
<dxl:LegacyDistrOpfamily Mdid="0.7124.1.0"/>
<dxl:EqualityOp Mdid="0.91.1.0"/>
<dxl:InequalityOp Mdid="0.85.1.0"/>
<dxl:LessThanOp Mdid="0.58.1.0"/>
<dxl:LessThanEqualsOp Mdid="0.1694.1.0"/>
<dxl:GreaterThanOp Mdid="0.59.1.0"/>
<dxl:GreaterThanEqualsOp Mdid="0.1695.1.0"/>
<dxl:ComparisonOp Mdid="0.1693.1.0"/>
<dxl:ArrayType Mdid="0.1000.1.0"/>
<dxl:MinAgg Mdid="0.0.0.0"/>
<dxl:MaxAgg Mdid="0.0.0.0"/>
<dxl:AvgAgg Mdid="0.0.0.0"/>
<dxl:SumAgg Mdid="0.0.0.0"/>
<dxl:CountAgg Mdid="0.2147.1.0"/>
</dxl:Type>
<dxl:Type Mdid="0.23.1.0" Name="int4" IsRedistributable="true" IsHashable="true" IsMergeJoinable="true" IsComposite="false" IsTextRelated="false" IsFixedLength="true" Length="4" PassByValue="true">
<dxl:DistrOpfamily Mdid="0.1977.1.0"/>
<dxl:LegacyDistrOpfamily Mdid="0.7100.1.0"/>
<dxl:EqualityOp Mdid="0.96.1.0"/>
<dxl:InequalityOp Mdid="0.518.1.0"/>
<dxl:LessThanOp Mdid="0.97.1.0"/>
<dxl:LessThanEqualsOp Mdid="0.523.1.0"/>
<dxl:GreaterThanOp Mdid="0.521.1.0"/>
<dxl:GreaterThanEqualsOp Mdid="0.525.1.0"/>
<dxl:ComparisonOp Mdid="0.351.1.0"/>
<dxl:ArrayType Mdid="0.1007.1.0"/>
<dxl:MinAgg Mdid="0.2132.1.0"/>
<dxl:MaxAgg Mdid="0.2116.1.0"/>
<dxl:AvgAgg Mdid="0.2101.1.0"/>
<dxl:SumAgg Mdid="0.2108.1.0"/>
<dxl:CountAgg Mdid="0.2147.1.0"/>
</dxl:Type>
<dxl:Type Mdid="0.26.1.0" Name="oid" IsRedistributable="true" IsHashable="true" IsMergeJoinable="true" IsComposite="false" IsTextRelated="false" IsFixedLength="true" Length="4" PassByValue="true">
<dxl:DistrOpfamily Mdid="0.1990.1.0"/>
<dxl:LegacyDistrOpfamily Mdid="0.7109.1.0"/>
<dxl:EqualityOp Mdid="0.607.1.0"/>
<dxl:InequalityOp Mdid="0.608.1.0"/>
<dxl:LessThanOp Mdid="0.609.1.0"/>
<dxl:LessThanEqualsOp Mdid="0.611.1.0"/>
<dxl:GreaterThanOp Mdid="0.610.1.0"/>
<dxl:GreaterThanEqualsOp Mdid="0.612.1.0"/>
<dxl:ComparisonOp Mdid="0.356.1.0"/>
<dxl:ArrayType Mdid="0.1028.1.0"/>
<dxl:MinAgg Mdid="0.2118.1.0"/>
<dxl:MaxAgg Mdid="0.2134.1.0"/>
<dxl:AvgAgg Mdid="0.0.0.0"/>
<dxl:SumAgg Mdid="0.0.0.0"/>
<dxl:CountAgg Mdid="0.2147.1.0"/>
</dxl:Type>
<dxl:Type Mdid="0.27.1.0" Name="tid" IsRedistributable="true" IsHashable="true" IsMergeJoinable="true" IsComposite="false" IsTextRelated="false" IsFixedLength="true" Length="6" PassByValue="false">
<dxl:DistrOpfamily Mdid="0.7077.1.0"/>
<dxl:LegacyDistrOpfamily Mdid="0.7110.1.0"/>
<dxl:EqualityOp Mdid="0.387.1.0"/>
<dxl:InequalityOp Mdid="0.402.1.0"/>
<dxl:LessThanOp Mdid="0.2799.1.0"/>
<dxl:LessThanEqualsOp Mdid="0.2801.1.0"/>
<dxl:GreaterThanOp Mdid="0.2800.1.0"/>
<dxl:GreaterThanEqualsOp Mdid="0.2802.1.0"/>
<dxl:ComparisonOp Mdid="0.2794.1.0"/>
<dxl:ArrayType Mdid="0.1010.1.0"/>
<dxl:MinAgg Mdid="0.2798.1.0"/>
<dxl:MaxAgg Mdid="0.2797.1.0"/>
<dxl:AvgAgg Mdid="0.0.0.0"/>
<dxl:SumAgg Mdid="0.0.0.0"/>
<dxl:CountAgg Mdid="0.2147.1.0"/>
</dxl:Type>
<dxl:Type Mdid="0.29.1.0" Name="cid" IsRedistributable="true" IsHashable="true" IsMergeJoinable="false" IsComposite="false" IsTextRelated="false" IsFixedLength="true" Length="4" PassByValue="true">
<dxl:DistrOpfamily Mdid="0.2226.1.0"/>
<dxl:EqualityOp Mdid="0.385.1.0"/>
<dxl:InequalityOp Mdid="0.0.0.0"/>
<dxl:LessThanOp Mdid="0.0.0.0"/>
<dxl:LessThanEqualsOp Mdid="0.0.0.0"/>
<dxl:GreaterThanOp Mdid="0.0.0.0"/>
<dxl:GreaterThanEqualsOp Mdid="0.0.0.0"/>
<dxl:ComparisonOp Mdid="0.0.0.0"/>
<dxl:ArrayType Mdid="0.1012.1.0"/>
<dxl:MinAgg Mdid="0.0.0.0"/>
<dxl:MaxAgg Mdid="0.0.0.0"/>
<dxl:AvgAgg Mdid="0.0.0.0"/>
<dxl:SumAgg Mdid="0.0.0.0"/>
<dxl:CountAgg Mdid="0.2147.1.0"/>
</dxl:Type>
<dxl:Type Mdid="0.28.1.0" Name="xid" IsRedistributable="true" IsHashable="true" IsMergeJoinable="false" IsComposite="false" IsTextRelated="false" IsFixedLength="true" Length="4" PassByValue="true">
<dxl:DistrOpfamily Mdid="0.2225.1.0"/>
<dxl:EqualityOp Mdid="0.352.1.0"/>
<dxl:InequalityOp Mdid="0.0.0.0"/>
<dxl:LessThanOp Mdid="0.0.0.0"/>
<dxl:LessThanEqualsOp Mdid="0.0.0.0"/>
<dxl:GreaterThanOp Mdid="0.0.0.0"/>
<dxl:GreaterThanEqualsOp Mdid="0.0.0.0"/>
<dxl:ComparisonOp Mdid="0.0.0.0"/>
<dxl:ArrayType Mdid="0.1011.1.0"/>
<dxl:MinAgg Mdid="0.0.0.0"/>
<dxl:MaxAgg Mdid="0.0.0.0"/>
<dxl:AvgAgg Mdid="0.0.0.0"/>
<dxl:SumAgg Mdid="0.0.0.0"/>
<dxl:CountAgg Mdid="0.2147.1.0"/>
</dxl:Type>
<dxl:Relation Mdid="0.7420245.1.0" Name="foo" IsTemporary="false" HasOids="false" StorageType="Heap" DistributionPolicy="Hash" DistributionColumns="0" Keys="7,1" NumberLeafPartitions="0">
<dxl:Columns>
<dxl:Column Name="a" Attno="1" Mdid="0.23.1.0" Nullable="true" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="ctid" Attno="-1" Mdid="0.27.1.0" Nullable="false" ColWidth="6">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="xmin" Attno="-3" Mdid="0.28.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="cmin" Attno="-4" Mdid="0.29.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="xmax" Attno="-5" Mdid="0.28.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="cmax" Attno="-6" Mdid="0.29.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="tableoid" Attno="-7" Mdid="0.26.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
<dxl:Column Name="gp_segment_id" Attno="-8" Mdid="0.23.1.0" Nullable="false" ColWidth="4">
<dxl:DefaultValue/>
</dxl:Column>
</dxl:Columns>
<dxl:IndexInfoList/>
<dxl:Triggers/>
<dxl:CheckConstraints/>
<dxl:DistrOpfamilies>
<dxl:DistrOpfamily Mdid="0.1977.1.0"/>
</dxl:DistrOpfamilies>
</dxl:Relation>
<dxl:GPDBScalarOp Mdid="0.97.1.0" Name="&lt;" ComparisonType="LT" ReturnsNullOnNullInput="true" IsNDVPreserving="false">
<dxl:LeftType Mdid="0.23.1.0"/>
<dxl:RightType Mdid="0.23.1.0"/>
<dxl:ResultType Mdid="0.16.1.0"/>
<dxl:OpFunc Mdid="0.66.1.0"/>
<dxl:Commutator Mdid="0.521.1.0"/>
<dxl:InverseOp Mdid="0.525.1.0"/>
<dxl:Opfamilies>
<dxl:Opfamily Mdid="0.1976.1.0"/>
<dxl:Opfamily Mdid="0.7027.1.0"/>
</dxl:Opfamilies>
</dxl:GPDBScalarOp>
</dxl:Metadata>
<dxl:Query>
<dxl:OutputColumns>
<dxl:Ident ColId="9" ColName="?column?" TypeMdid="0.23.1.0"/>
</dxl:OutputColumns>
<dxl:CTEList/>
<dxl:LogicalProject>
<dxl:ProjList>
<dxl:ProjElem ColId="9" Alias="?column?">
<dxl:ConstValue TypeMdid="0.23.1.0" Value="1"/>
</dxl:ProjElem>
</dxl:ProjList>
<dxl:LogicalSelect>
<dxl:ArrayComp OperatorName="&lt;" OperatorMdid="0.97.1.0" OperatorType="Any">
<dxl:Ident ColId="1" ColName="a" TypeMdid="0.23.1.0"/>
<dxl:Array ArrayType="0.1007.1.0" ElementType="0.23.1.0" MultiDimensional="false"/>
</dxl:ArrayComp>
<dxl:LogicalGet>
<dxl:TableDescriptor Mdid="0.7420245.1.0" TableName="foo">
<dxl:Columns>
<dxl:Column ColId="1" Attno="1" ColName="a" TypeMdid="0.23.1.0" ColWidth="4"/>
<dxl:Column ColId="2" Attno="-1" ColName="ctid" TypeMdid="0.27.1.0" ColWidth="6"/>
<dxl:Column ColId="3" Attno="-3" ColName="xmin" TypeMdid="0.28.1.0" ColWidth="4"/>
<dxl:Column ColId="4" Attno="-4" ColName="cmin" TypeMdid="0.29.1.0" ColWidth="4"/>
<dxl:Column ColId="5" Attno="-5" ColName="xmax" TypeMdid="0.28.1.0" ColWidth="4"/>
<dxl:Column ColId="6" Attno="-6" ColName="cmax" TypeMdid="0.29.1.0" ColWidth="4"/>
<dxl:Column ColId="7" Attno="-7" ColName="tableoid" TypeMdid="0.26.1.0" ColWidth="4"/>
<dxl:Column ColId="8" Attno="-8" ColName="gp_segment_id" TypeMdid="0.23.1.0" ColWidth="4"/>
</dxl:Columns>
</dxl:TableDescriptor>
</dxl:LogicalGet>
</dxl:LogicalSelect>
</dxl:LogicalProject>
</dxl:Query>
<dxl:Plan Id="0" SpaceSize="0">
<dxl:Result>
<dxl:Properties>
<dxl:Cost StartupCost="0" TotalCost="0.000000" Rows="0.000000" Width="4"/>
</dxl:Properties>
<dxl:ProjList>
<dxl:ProjElem ColId="8" Alias="?column?">
<dxl:Ident ColId="8" ColName="?column?" TypeMdid="0.23.1.0"/>
</dxl:ProjElem>
</dxl:ProjList>
<dxl:Filter/>
<dxl:OneTimeFilter/>
<dxl:Result>
<dxl:Properties>
<dxl:Cost StartupCost="0" TotalCost="0.000000" Rows="0.000000" Width="4"/>
</dxl:Properties>
<dxl:ProjList>
<dxl:ProjElem ColId="8" Alias="?column?">
<dxl:ConstValue TypeMdid="0.23.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="0" Alias="a">
<dxl:ConstValue TypeMdid="0.23.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="1" Alias="ctid">
<dxl:ConstValue TypeMdid="0.27.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="2" Alias="xmin">
<dxl:ConstValue TypeMdid="0.28.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="3" Alias="cmin">
<dxl:ConstValue TypeMdid="0.29.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="4" Alias="xmax">
<dxl:ConstValue TypeMdid="0.28.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="5" Alias="cmax">
<dxl:ConstValue TypeMdid="0.29.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="6" Alias="tableoid">
<dxl:ConstValue TypeMdid="0.26.1.0" IsNull="true"/>
</dxl:ProjElem>
<dxl:ProjElem ColId="7" Alias="gp_segment_id">
<dxl:ConstValue TypeMdid="0.23.1.0" IsNull="true"/>
</dxl:ProjElem>
</dxl:ProjList>
<dxl:Filter/>
<dxl:OneTimeFilter>
<dxl:ConstValue TypeMdid="0.16.1.0" Value="false"/>
</dxl:OneTimeFilter>
</dxl:Result>
</dxl:Result>
</dxl:Plan>
</dxl:Thread>
</dxl:DXLMessage>
src/backend/gporca/libgpopt/src/base/CConstraint.cpp
浏览文件 @ f97a3e23
......@@ -135,6 +135,24 @@ CConstraint::PcnstrFromScalarArrayCmp(CMemoryPool *mp, CExpression *pexpr,
return NULL;
}
if (arity == 0)
{
if (earrccmpt == CScalarArrayCmp::EarrcmpAny)
{
CRangeArray *emptyRangeArray = GPOS_NEW(mp) CRangeArray(mp);
// comparing with an empty array for any ANY comparison produces a "false" constraint
// which is represented by an empty CConstraintInterval
return GPOS_NEW(mp) CConstraintInterval(
mp, colref, emptyRangeArray, false /*includes NULL*/);
}
else
{
// for an all comparison with an empty array, don't do further processing as we won't
// do simplification anyway
return NULL;
}
}
CConstraintArray *pdrgpcnstr = GPOS_NEW(mp) CConstraintArray(mp);
for (ULONG ul = 0; ul < arity; ul++)
......@@ -759,9 +777,10 @@ CConstraint::PdrgpcnstrDeduplicate(CMemoryPool *mp,
CConstraint *pcnstrChild = (*pdrgpcnstr)[ul];
CColRefSet *pcrs = pcnstrChild->PcrsUsed();
GPOS_ASSERT(0 != pcrs->Size());
// we only simplify constraints that reference a single column, otherwise
// we add constraint as is
if (1 < pcrs->Size())
if (1 != pcrs->Size())
{
pcnstrChild->AddRef();
pdrgpcnstrNew->Append(pcnstrChild);
......
src/backend/gporca/libgpopt/src/base/CConstraintConjunction.cpp
浏览文件 @ f97a3e23
......@@ -35,7 +35,6 @@ CConstraintConjunction::CConstraintConjunction(CMemoryPool *mp,
const ULONG length = m_pdrgpcnstr->Size();
GPOS_ASSERT(0 < length);
m_pcrsUsed = GPOS_NEW(mp) CColRefSet(mp);
for (ULONG ul = 0; ul < length; ul++)
......
src/backend/gporca/libnaucrates/src/parser/CParseHandlerArray.cpp
浏览文件 @ f97a3e23
......@@ -102,8 +102,6 @@ CParseHandlerArray::EndElement(const XMLCh *const, // element_uri,
// construct node from the created child nodes
GPOS_ASSERT(0 < this->Length());
for (ULONG ul = 0; ul < this->Length(); ul++)
{
CParseHandlerScalarOp *child_parse_handler =
......
src/backend/gporca/server/CMakeLists.txt
浏览文件 @ f97a3e23
......@@ -154,8 +154,10 @@ MultipleDampedPredJoinCardinality MultipleIndependentPredJoinCardinality MultiDi
MultiDistKeyWithOtherPredsJoinCardinality NoDistKeyMultiPredJoinCardinality OneDistKeyMultiPredJoinCardinality;
CArrayCmpTest:
ArrayConcat ArrayRef FoldedArrayCmp IN-ArrayCmp NOT-IN-ArrayCmp ArrayCmpAll UDA-AnyArray InClauseWithMCV
CastedInClauseWithMCV FilterScalarCast IN-Nulls-ArrayCmpAny ArrayCmp-IN-ManyElements;
ArrayConcat ArrayRef FoldedArrayCmp IN-ArrayCmp NOT-IN-ArrayCmp ArrayCmpAll
UDA-AnyArray InClauseWithMCV CastedInClauseWithMCV FilterScalarCast
IN-Nulls-ArrayCmpAny ArrayCmp-IN-ManyElements ArrayCmpAnyEmpty ArrayCmpAllEmpty
ArrayCmpAnyEmptyLessThan;
CProjectTest:
ProjectWithConstant ProjectWithTextConstant ProjectSetFunction Equivalence-class-project-over-LOJ;
......
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