org.apache.calcite.adapter.elasticsearch

Class ElasticsearchToEnumerableConverterRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.rel.convert.ConverterRule

org.apache.calcite.adapter.elasticsearch.ElasticsearchToEnumerableConverterRule

public class ElasticsearchToEnumerableConverterRule
extends ConverterRule

Rule to convert a relational expression from ElasticsearchRel.CONVENTION to EnumerableConvention.

Field Summary

Fields

Modifier and Type	Field and Description
static ConverterRule	INSTANCE

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Constructor and Description
ElasticsearchToEnumerableConverterRule(RelBuilderFactory relBuilderFactory) Creates an ElasticsearchToEnumerableConverterRule.

Method Summary

Modifier and Type	Method and Description
RelNode	convert(RelNode relNode) Converts a relational expression to the target trait(s) of this rule.

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

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final ConverterRule INSTANCE

Constructor Detail

ElasticsearchToEnumerableConverterRule

public ElasticsearchToEnumerableConverterRule(RelBuilderFactory relBuilderFactory)

Creates an ElasticsearchToEnumerableConverterRule.

Parameters:

relBuilderFactory - Builder for relational expressions

Method Detail

convert

public RelNode convert(RelNode relNode)

Description copied from class: ConverterRule

Converts a relational expression to the target trait(s) of this rule.

Returns null if conversion is not possible.

Specified by:

convert in class ConverterRule