Package org.apache.calcite.adapter.jdbc

Class JdbcRules.JdbcSortRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

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

org.apache.calcite.rel.convert.ConverterRule

org.apache.calcite.adapter.jdbc.JdbcRules.JdbcSortRule

Enclosing class:

JdbcRules

public static class JdbcRules.JdbcSortRule
extends ConverterRule

Rule to convert a Sort to an JdbcRules.JdbcSort.

Nested Class Summary

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

ConverterRule.Config

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

RelRule.Done, RelRule.MatchHandler<R extends RelOptRule>, RelRule.OperandBuilder, RelRule.OperandDetailBuilder<R extends RelNode>, RelRule.OperandTransform

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

RelOptRule.ConverterRelOptRuleOperand

Field Summary

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	JdbcSortRule(ConverterRule.Config config)	Called from the Config.

Method Summary

Modifier and Type	Method	Description
RelNode	convert(Sort sort, boolean convertInputTraits)	Converts a Sort into a JdbcSort.
@Nullable RelNode	convert(RelNode rel)	Converts a relational expression to the target trait(s) of this rule.
static JdbcRules.JdbcSortRule	create(JdbcConvention out)	Creates a JdbcSortRule.

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

Constructor Details

JdbcSortRule

protected JdbcSortRule(ConverterRule.Config config)

Called from the Config.

Method Details

create

public static JdbcRules.JdbcSortRule create(JdbcConvention out)

Creates a JdbcSortRule.

convert

public @Nullable RelNode convert(RelNode rel)

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

convert

public RelNode convert(Sort sort,
 boolean convertInputTraits)

Converts a Sort into a JdbcSort.

Parameters:

sort - Sort operator to convert

convertInputTraits - Whether to convert input to sort's JDBC convention

Returns:

A new JdbcSort