Class DrillLimitRelBase
java.lang.Object
org.apache.calcite.rel.AbstractRelNode
org.apache.calcite.rel.SingleRel
org.apache.drill.exec.planner.common.DrillLimitRelBase
- All Implemented Interfaces:
Cloneable
,org.apache.calcite.plan.RelOptNode
,org.apache.calcite.rel.RelNode
,DrillRelNode
- Direct Known Subclasses:
DrillLimitRel
,LimitPrel
,PluginLimitRel
public abstract class DrillLimitRelBase
extends org.apache.calcite.rel.SingleRel
implements DrillRelNode
Base class for logical and physical Limits implemented in Drill
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Nested Class Summary
Nested classes/interfaces inherited from interface org.apache.calcite.rel.RelNode
org.apache.calcite.rel.RelNode.Context
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Field Summary
Modifier and TypeFieldDescriptionprotected org.apache.calcite.rex.RexNode
protected org.apache.calcite.rex.RexNode
Fields inherited from class org.apache.calcite.rel.SingleRel
input
Fields inherited from class org.apache.calcite.rel.AbstractRelNode
digest, id, rowType, traitSet
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Constructor Summary
ConstructorDescriptionDrillLimitRelBase
(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode child, org.apache.calcite.rex.RexNode offset, org.apache.calcite.rex.RexNode fetch) DrillLimitRelBase
(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode child, org.apache.calcite.rex.RexNode offset, org.apache.calcite.rex.RexNode fetch, boolean pushDown) -
Method Summary
Modifier and TypeMethodDescriptionorg.apache.calcite.plan.RelOptCost
computeSelfCost
(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq) abstract org.apache.calcite.rel.RelNode
copy
(org.apache.calcite.plan.RelTraitSet traitSet, List<org.apache.calcite.rel.RelNode> inputs, boolean pushDown) double
estimateRowCount
(org.apache.calcite.rel.metadata.RelMetadataQuery mq) org.apache.calcite.rel.RelWriter
explainTerms
(org.apache.calcite.rel.RelWriter pw) org.apache.calcite.rex.RexNode
getFetch()
org.apache.calcite.rex.RexNode
boolean
Methods inherited from class org.apache.calcite.rel.SingleRel
childrenAccept, deriveRowType, getInput, getInputs, replaceInput
Methods inherited from class org.apache.calcite.rel.AbstractRelNode
accept, accept, collectVariablesSet, collectVariablesUsed, copy, deepEquals, deepHashCode, equals, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getRelDigest, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesSet, hashCode, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, sole, toString
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
Methods inherited from interface org.apache.calcite.rel.RelNode
accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, copy, deepEquals, deepHashCode, explain, explain, fieldIsNullable, getConvention, getCorrelVariable, getDigest, getExpectedInputRowType, getInput, getInputs, getRelDigest, getRelTypeName, getRowType, getTable, getVariablesSet, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, replaceInput
Methods inherited from interface org.apache.calcite.plan.RelOptNode
getCluster, getDescription, getId, getTraitSet
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Field Details
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offset
protected org.apache.calcite.rex.RexNode offset -
fetch
protected org.apache.calcite.rex.RexNode fetch
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Constructor Details
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DrillLimitRelBase
public DrillLimitRelBase(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode child, org.apache.calcite.rex.RexNode offset, org.apache.calcite.rex.RexNode fetch) -
DrillLimitRelBase
public DrillLimitRelBase(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rel.RelNode child, org.apache.calcite.rex.RexNode offset, org.apache.calcite.rex.RexNode fetch, boolean pushDown)
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Method Details
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copy
public abstract org.apache.calcite.rel.RelNode copy(org.apache.calcite.plan.RelTraitSet traitSet, List<org.apache.calcite.rel.RelNode> inputs, boolean pushDown) -
getOffset
public org.apache.calcite.rex.RexNode getOffset() -
getFetch
public org.apache.calcite.rex.RexNode getFetch() -
computeSelfCost
public org.apache.calcite.plan.RelOptCost computeSelfCost(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.metadata.RelMetadataQuery mq) - Specified by:
computeSelfCost
in interfaceorg.apache.calcite.rel.RelNode
- Overrides:
computeSelfCost
in classorg.apache.calcite.rel.AbstractRelNode
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explainTerms
public org.apache.calcite.rel.RelWriter explainTerms(org.apache.calcite.rel.RelWriter pw) - Overrides:
explainTerms
in classorg.apache.calcite.rel.SingleRel
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estimateRowCount
public double estimateRowCount(org.apache.calcite.rel.metadata.RelMetadataQuery mq) - Specified by:
estimateRowCount
in interfaceorg.apache.calcite.rel.RelNode
- Overrides:
estimateRowCount
in classorg.apache.calcite.rel.SingleRel
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isPushDown
public boolean isPushDown()
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