Package org.apache.calcite.adapter.pig
Class PigFilter
java.lang.Object
org.apache.calcite.rel.AbstractRelNode
org.apache.calcite.rel.SingleRel
org.apache.calcite.rel.core.Filter
org.apache.calcite.adapter.pig.PigFilter
- All Implemented Interfaces:
Cloneable
,PigRel
,RelOptNode
,RelNode
public class PigFilter extends Filter implements PigRel
Implementation of
Filter
in
Pig calling convention
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Nested Class Summary
Nested classes/interfaces inherited from interface org.apache.calcite.adapter.pig.PigRel
PigRel.Implementor
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Field Summary
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Constructor Summary
Constructors Constructor Description PigFilter(RelOptCluster cluster, RelTraitSet traitSet, RelNode input, RexNode condition)
Creates a PigFilter. -
Method Summary
Modifier and Type Method Description Filter
copy(RelTraitSet traitSet, RelNode input, RexNode condition)
RelOptTable
getTable()
Override this method so it looks down the tree to find the table this node is acting on.void
implement(PigRel.Implementor implementor)
Converts this node to a Pig Latin statement.Methods inherited from class org.apache.calcite.rel.core.Filter
accept, computeSelfCost, containsOver, copy, deepEquals0, deepHashCode0, estimateFilteredRows, estimateFilteredRows, estimateRowCount, explainTerms, getCondition, isValid
Methods inherited from class org.apache.calcite.rel.SingleRel
childrenAccept, deriveRowType, getInput, getInputs, replaceInput
Methods inherited from class org.apache.calcite.rel.AbstractRelNode
accept, collectVariablesSet, collectVariablesUsed, deepEquals, deepHashCode, equals, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getRelDigest, getRelTypeName, getRowType, getTraitSet, getVariablesSet, hashCode, isEnforcer, 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, computeSelfCost, copy, deepEquals, deepHashCode, estimateRowCount, explain, explain, getConvention, getCorrelVariable, getDigest, getExpectedInputRowType, getInput, getInputs, getRelDigest, getRelTypeName, getRowType, 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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Constructor Details
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PigFilter
Creates a PigFilter.
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Method Details
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copy
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implement
Description copied from interface:PigRel
Converts this node to a Pig Latin statement. -
getTable
Override this method so it looks down the tree to find the table this node is acting on.- Specified by:
getTable
in interfaceRelNode
- Overrides:
getTable
in classAbstractRelNode
- Returns:
- If this relational expression represents an access to a table, returns that table, otherwise returns null
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