org.apache.drill.exec.planner.logical

Class EnumerableDrillRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.rel.convert.ConverterRule

org.apache.drill.exec.planner.logical.EnumerableDrillRule

public class EnumerableDrillRule
extends org.apache.calcite.rel.convert.ConverterRule

Rule that converts any Drill relational expression to enumerable format by adding a DrillScreenRelBase.

Field Summary

Fields

Modifier and Type	Field and Description
static EnumerableDrillRule	INSTANCE

Fields inherited from class org.apache.calcite.plan.RelOptRule

description, operands, relBuilderFactory

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.RelNode	convert(org.apache.calcite.rel.RelNode rel)
boolean	isGuaranteed()

Methods inherited from class org.apache.calcite.rel.convert.ConverterRule

getInTrait, getOutConvention, getOutTrait, getTraitDef, onMatch

Methods inherited from class org.apache.calcite.plan.RelOptRule

any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, hashCode, matches, none, operand, operand, operand, operand, operand, operandJ, operandJ, some, toString, unordered

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static EnumerableDrillRule INSTANCE

Method Detail

isGuaranteed

public boolean isGuaranteed()

Overrides:

isGuaranteed in class org.apache.calcite.rel.convert.ConverterRule

convert

public org.apache.calcite.rel.RelNode convert(org.apache.calcite.rel.RelNode rel)

Specified by:

convert in class org.apache.calcite.rel.convert.ConverterRule