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
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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
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Field Summary
Modifier and TypeFieldDescriptionstatic final KuduToEnumerableConverter
static final org.slf4j.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
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Constructor Summary
ModifierConstructorDescriptionprotected
KuduToEnumerableConverter
(org.apache.calcite.rel.convert.ConverterRule.Config config) -
Method Summary
Modifier and TypeMethodDescriptionorg.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
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Field Details
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logger
public static final org.slf4j.Logger logger -
INSTANCE
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Constructor Details
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KuduToEnumerableConverter
protected KuduToEnumerableConverter(org.apache.calcite.rel.convert.ConverterRule.Config config)
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Method Details
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convert
public org.apache.calcite.rel.RelNode convert(org.apache.calcite.rel.RelNode rel) - Specified by:
convert
in classorg.apache.calcite.rel.convert.ConverterRule
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