Package com.twilio.kudu.sql.rules

Class KuduToEnumerableConverter

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.plan.RelRule<org.apache.calcite.rel.convert.ConverterRule.Config>

org.apache.calcite.rel.convert.ConverterRule

com.twilio.kudu.sql.rules.KuduToEnumerableConverter

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

Rule to convert a relational expression from KuduRelNode.CONVENTION to EnumerableConvention. Bulk of the work is in the implement method which takes an EnumerableRelImplementor and creates BlockStatement.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.rel.convert.ConverterRule

org.apache.calcite.rel.convert.ConverterRule.Config

Nested classes/interfaces inherited from class org.apache.calcite.plan.RelRule

org.apache.calcite.plan.RelRule.Done, org.apache.calcite.plan.RelRule.MatchHandler<R extends org.apache.calcite.plan.RelOptRule>, org.apache.calcite.plan.RelRule.OperandBuilder, org.apache.calcite.plan.RelRule.OperandDetailBuilder<R extends org.apache.calcite.rel.RelNode>, org.apache.calcite.plan.RelRule.OperandTransform

Nested classes/interfaces inherited from class org.apache.calcite.plan.RelOptRule

org.apache.calcite.plan.RelOptRule.ConverterRelOptRuleOperand

Field Summary

Fields

Modifier and Type	Field	Description
static final KuduToEnumerableConverter	INSTANCE
static final org.slf4j.Logger	logger

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

out

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

config

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	KuduToEnumerableConverter(org.apache.calcite.rel.convert.ConverterRule.Config config)

Method Summary

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

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

getInTrait, getOutConvention, getOutTrait, getTraitDef, isGuaranteed, onMatch

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

any, convert, convert, 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 Details

logger

public static final org.slf4j.Logger logger

INSTANCE

public static final KuduToEnumerableConverter INSTANCE

Constructor Details

KuduToEnumerableConverter

protected KuduToEnumerableConverter(org.apache.calcite.rel.convert.ConverterRule.Config config)

Method Details

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