org.apache.calcite.sql2rel

Class RelDecorrelator.CorelMapBuilder

java.lang.Object

org.apache.calcite.rel.RelShuttleImpl

org.apache.calcite.sql2rel.RelDecorrelator.CorelMapBuilder

All Implemented Interfaces:

RelShuttle

Enclosing class:

RelDecorrelator

private static class RelDecorrelator.CorelMapBuilder
extends RelShuttleImpl

Builds a RelDecorrelator.CorelMap.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) int	corrIdGenerator
(package private) SortedMap<CorrelationId,RelNode>	mapCorToCorRel
(package private) Map<RexFieldAccess,RelDecorrelator.CorRef>	mapFieldAccessToCorVar
(package private) com.google.common.collect.SortedSetMultimap<RelNode,RelDecorrelator.CorRef>	mapRefRelToCorRef
(package private) Holder<Integer>	offset
(package private) Deque<RelNode>	stack

Constructor Summary

Constructors

Modifier	Constructor and Description
private	CorelMapBuilder()

Method Summary

Modifier and Type	Method and Description
(package private) RelDecorrelator.CorelMap	build(RelNode... rels) Creates a CorelMap by iterating over a RelNode tree.
private RexVisitorImpl<Void>	rexVisitor(RelNode rel)
RelNode	visit(LogicalCorrelate correlate)
RelNode	visit(LogicalFilter filter)
RelNode	visit(LogicalJoin join)
RelNode	visit(LogicalProject project)
protected RelNode	visitChild(RelNode parent, int i, RelNode input) Visits a particular child of a parent.
private RelNode	visitJoin(BiRel join)

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

visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visit, visitChildren

Methods inherited from class java.lang.Object

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

Field Detail

mapCorToCorRel

final SortedMap<CorrelationId,RelNode> mapCorToCorRel

mapRefRelToCorRef

final com.google.common.collect.SortedSetMultimap<RelNode,RelDecorrelator.CorRef> mapRefRelToCorRef

mapFieldAccessToCorVar

final Map<RexFieldAccess,RelDecorrelator.CorRef> mapFieldAccessToCorVar

offset

final Holder<Integer> offset

corrIdGenerator

int corrIdGenerator

stack

final Deque<RelNode> stack

Constructor Detail

CorelMapBuilder

private CorelMapBuilder()

Method Detail

build

RelDecorrelator.CorelMap build(RelNode... rels)

Creates a CorelMap by iterating over a RelNode tree.

visit

public RelNode visit(LogicalJoin join)

Specified by:

visit in interface RelShuttle

Overrides:

visit in class RelShuttleImpl

visitChild

protected RelNode visitChild(RelNode parent,
                             int i,
                             RelNode input)

Description copied from class: RelShuttleImpl

Visits a particular child of a parent.

Overrides:

visitChild in class RelShuttleImpl

visit

public RelNode visit(LogicalCorrelate correlate)

Specified by:

visit in interface RelShuttle

Overrides:

visit in class RelShuttleImpl

visitJoin

private RelNode visitJoin(BiRel join)

visit

public RelNode visit(LogicalFilter filter)

Specified by:

visit in interface RelShuttle

Overrides:

visit in class RelShuttleImpl

visit

public RelNode visit(LogicalProject project)

Specified by:

visit in interface RelShuttle

Overrides:

visit in class RelShuttleImpl

rexVisitor

private RexVisitorImpl<Void> rexVisitor(RelNode rel)