org.eigenbase.oj.rel
Class IterRules.UnionToIteratorRule

java.lang.Object
  org.eigenbase.relopt.RelOptRule
      org.eigenbase.rel.convert.ConverterRule
          org.eigenbase.oj.rel.IterRules.UnionToIteratorRule

Direct Known Subclasses:

IterRules.HomogeneousUnionToIteratorRule

Enclosing class:

IterRules

public static class IterRules.UnionToIteratorRule
extends ConverterRule

Rule to convert a UnionRel to iterator calling convention.

Field Summary

Fields inherited from class org.eigenbase.relopt.RelOptRule

ANY, description, operands

Constructor Summary

	IterRules.UnionToIteratorRule()
protected	IterRules.UnionToIteratorRule(String description)

Method Summary

RelNode	convert(RelNode rel)
protected RelNode	newIterConcatenateRel(RelOptCluster cluster, RelNode[] inputs)

Methods inherited from class org.eigenbase.rel.convert.ConverterRule

getInTrait, getOutConvention, getOutTrait, getTraitDef, isGuaranteed, onMatch

Methods inherited from class org.eigenbase.relopt.RelOptRule

convert, equals, equals, getOperand, getOperands, hashCode, matches, mergeTraitsAndConvert, mergeTraitsAndConvert, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

IterRules.UnionToIteratorRule

public IterRules.UnionToIteratorRule()

IterRules.UnionToIteratorRule

protected IterRules.UnionToIteratorRule(String description)

Method Detail

newIterConcatenateRel

protected RelNode newIterConcatenateRel(RelOptCluster cluster,
                                        RelNode[] inputs)

convert

public RelNode convert(RelNode rel)

Specified by:

convert in class ConverterRule