org.apache.calcite.rel.logical

Class LogicalFilter

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.SingleRel

org.apache.calcite.rel.core.Filter

org.apache.calcite.rel.logical.LogicalFilter

All Implemented Interfaces:

Cloneable, RelOptNode, RelNode

public final class LogicalFilter
extends Filter

Sub-class of Filter not targeted at any particular engine or calling convention.

Field Summary

Fields inherited from class org.apache.calcite.rel.core.Filter

condition

Fields inherited from class org.apache.calcite.rel.AbstractRelNode

digest, id, rowType, traitSet

Constructor Summary

Constructors

Constructor and Description
LogicalFilter(RelInput input) Creates a LogicalFilter by parsing serialized output.
LogicalFilter(RelOptCluster cluster, RelNode child, RexNode condition) Deprecated.
LogicalFilter(RelOptCluster cluster, RelTraitSet traitSet, RelNode child, RexNode condition) Creates a LogicalFilter.

Method Summary

Methods

Modifier and Type	Method and Description
RelNode	accept(RelShuttle shuttle) Accepts a visit from a shuttle.
LogicalFilter	copy(RelTraitSet traitSet, RelNode input, RexNode condition)
static LogicalFilter	create(RelNode input, RexNode condition) Creates a LogicalFilter.

Methods inherited from class org.apache.calcite.rel.core.Filter

accept, computeSelfCost, copy, estimateFilteredRows, estimateFilteredRows, explainTerms, getChildExps, getCondition, getRows, isValid

Methods inherited from class org.apache.calcite.rel.SingleRel

childrenAccept, deriveRowType, getInput, getInputs, replaceInput

Methods inherited from class org.apache.calcite.rel.AbstractRelNode

collectVariablesSet, collectVariablesUsed, computeDigest, explain, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getQuery, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesStopped, isDistinct, isKey, metadata, onRegister, recomputeDigest, register, sole, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

LogicalFilter

public LogicalFilter(RelOptCluster cluster,
             RelTraitSet traitSet,
             RelNode child,
             RexNode condition)

Creates a LogicalFilter.

Use create(org.apache.calcite.rel.RelNode, org.apache.calcite.rex.RexNode) unless you know what you're doing.

Parameters:

cluster - Cluster that this relational expression belongs to

child - Input relational expression

condition - Boolean expression which determines whether a row is allowed to pass

LogicalFilter

@Deprecated
public LogicalFilter(RelOptCluster cluster,
                        RelNode child,
                        RexNode condition)

Deprecated.

LogicalFilter

public LogicalFilter(RelInput input)

Creates a LogicalFilter by parsing serialized output.

Method Detail

create

public static LogicalFilter create(RelNode input,
                   RexNode condition)

Creates a LogicalFilter.

copy

public LogicalFilter copy(RelTraitSet traitSet,
                 RelNode input,
                 RexNode condition)

Specified by:

copy in class Filter

accept

public RelNode accept(RelShuttle shuttle)

Description copied from interface: RelNode

Accepts a visit from a shuttle.

Specified by:

accept in interface RelNode

Overrides:

accept in class AbstractRelNode

Parameters:

shuttle - Shuttle

Returns:

A copy of this node incorporating changes made by the shuttle to this node's children