Package org.apache.calcite.rel.core

Class RelFactories

java.lang.Object

org.apache.calcite.rel.core.RelFactories

public class RelFactories
extends java.lang.Object

Contains factory interface and default implementation for creating various rel nodes.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	RelFactories.AggregateFactory	Can create a LogicalAggregate of the appropriate type for this rule's calling convention.
private static class	RelFactories.AggregateFactoryImpl	Implementation of RelFactories.AggregateFactory that returns a vanilla LogicalAggregate.
static interface	RelFactories.CorrelateFactory	Can create a correlate of the appropriate type for a rule's calling convention.
private static class	RelFactories.CorrelateFactoryImpl	Implementation of RelFactories.CorrelateFactory that returns a vanilla LogicalCorrelate.
static interface	RelFactories.ExchangeFactory	Can create a Exchange of the appropriate type for a rule's calling convention.
private static class	RelFactories.ExchangeFactoryImpl	Implementation of RelFactories.ExchangeFactory that returns a Exchange.
static interface	RelFactories.FilterFactory	Can create a LogicalFilter of the appropriate type for this rule's calling convention.
private static class	RelFactories.FilterFactoryImpl	Implementation of RelFactories.FilterFactory that returns a vanilla LogicalFilter.
static interface	RelFactories.JoinFactory	Can create a join of the appropriate type for a rule's calling convention.
private static class	RelFactories.JoinFactoryImpl	Implementation of RelFactories.JoinFactory that returns a vanilla LogicalJoin.
static interface	RelFactories.MatchFactory	Can create a Match of the appropriate type for a rule's calling convention.
private static class	RelFactories.MatchFactoryImpl	Implementation of RelFactories.MatchFactory that returns a LogicalMatch.
static interface	RelFactories.ProjectFactory	Can create a LogicalProject of the appropriate type for this rule's calling convention.
private static class	RelFactories.ProjectFactoryImpl	Implementation of RelFactories.ProjectFactory that returns a vanilla LogicalProject.
static interface	RelFactories.SemiJoinFactory	Can create a semi-join of the appropriate type for a rule's calling convention.
private static class	RelFactories.SemiJoinFactoryImpl	Implementation of RelFactories.SemiJoinFactory that returns a vanilla SemiJoin.
static interface	RelFactories.SetOpFactory	Can create a SetOp for a particular kind of set operation (UNION, EXCEPT, INTERSECT) and of the appropriate type for this rule's calling convention.
private static class	RelFactories.SetOpFactoryImpl	Implementation of RelFactories.SetOpFactory that returns a vanilla SetOp for the particular kind of set operation (UNION, EXCEPT, INTERSECT).
static interface	RelFactories.SortExchangeFactory	Can create a SortExchange of the appropriate type for a rule's calling convention.
private static class	RelFactories.SortExchangeFactoryImpl	Implementation of RelFactories.SortExchangeFactory that returns a SortExchange.
static interface	RelFactories.SortFactory	Can create a Sort of the appropriate type for this rule's calling convention.
private static class	RelFactories.SortFactoryImpl	Implementation of RelFactories.SortFactory that returns a vanilla Sort.
static interface	RelFactories.TableScanFactory	Can create a TableScan of the appropriate type for a rule's calling convention.
private static class	RelFactories.TableScanFactoryImpl	Implementation of RelFactories.TableScanFactory that returns a LogicalTableScan.
static interface	RelFactories.ValuesFactory	Can create a Values of the appropriate type for a rule's calling convention.
private static class	RelFactories.ValuesFactoryImpl	Implementation of RelFactories.ValuesFactory that returns a LogicalValues.

Field Summary

Fields

Modifier and Type	Field	Description
static RelFactories.AggregateFactory	DEFAULT_AGGREGATE_FACTORY
static RelFactories.CorrelateFactory	DEFAULT_CORRELATE_FACTORY
static RelFactories.ExchangeFactory	DEFAULT_EXCHANGE_FACTORY
static RelFactories.FilterFactory	DEFAULT_FILTER_FACTORY
static RelFactories.JoinFactory	DEFAULT_JOIN_FACTORY
static RelFactories.MatchFactory	DEFAULT_MATCH_FACTORY
static RelFactories.ProjectFactory	DEFAULT_PROJECT_FACTORY
static RelFactories.SemiJoinFactory	DEFAULT_SEMI_JOIN_FACTORY
static RelFactories.SetOpFactory	DEFAULT_SET_OP_FACTORY
static RelFactories.SortExchangeFactory	DEFAULT_SORT_EXCHANGE_FACTORY
static RelFactories.SortFactory	DEFAULT_SORT_FACTORY
static RelFactories.TableScanFactory	DEFAULT_TABLE_SCAN_FACTORY
static RelFactories.ValuesFactory	DEFAULT_VALUES_FACTORY
static RelBuilderFactory	LOGICAL_BUILDER	A RelBuilderFactory that creates a RelBuilder that will create logical relational expressions for everything.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RelFactories()

Method Summary

Modifier and Type	Method	Description
static RelFactories.TableScanFactory	expandingScanFactory(RelOptTable.ViewExpander viewExpander, RelFactories.TableScanFactory tableScanFactory)	Creates a RelFactories.TableScanFactory that uses a RelOptTable.ViewExpander to handle TranslatableTable instances, and falls back to a default factory for other tables.
static RelFactories.TableScanFactory	expandingScanFactory(RelFactories.TableScanFactory tableScanFactory)	Creates a RelFactories.TableScanFactory that can expand TranslatableTable instances, but explodes on views.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_PROJECT_FACTORY

public static final RelFactories.ProjectFactory DEFAULT_PROJECT_FACTORY

DEFAULT_FILTER_FACTORY

public static final RelFactories.FilterFactory DEFAULT_FILTER_FACTORY

DEFAULT_JOIN_FACTORY

public static final RelFactories.JoinFactory DEFAULT_JOIN_FACTORY

DEFAULT_CORRELATE_FACTORY

public static final RelFactories.CorrelateFactory DEFAULT_CORRELATE_FACTORY

DEFAULT_SEMI_JOIN_FACTORY

public static final RelFactories.SemiJoinFactory DEFAULT_SEMI_JOIN_FACTORY

DEFAULT_SORT_FACTORY

public static final RelFactories.SortFactory DEFAULT_SORT_FACTORY

DEFAULT_EXCHANGE_FACTORY

public static final RelFactories.ExchangeFactory DEFAULT_EXCHANGE_FACTORY

DEFAULT_SORT_EXCHANGE_FACTORY

public static final RelFactories.SortExchangeFactory DEFAULT_SORT_EXCHANGE_FACTORY

DEFAULT_AGGREGATE_FACTORY

public static final RelFactories.AggregateFactory DEFAULT_AGGREGATE_FACTORY

DEFAULT_MATCH_FACTORY

public static final RelFactories.MatchFactory DEFAULT_MATCH_FACTORY

DEFAULT_SET_OP_FACTORY

public static final RelFactories.SetOpFactory DEFAULT_SET_OP_FACTORY

DEFAULT_VALUES_FACTORY

public static final RelFactories.ValuesFactory DEFAULT_VALUES_FACTORY

DEFAULT_TABLE_SCAN_FACTORY

public static final RelFactories.TableScanFactory DEFAULT_TABLE_SCAN_FACTORY

LOGICAL_BUILDER

public static final RelBuilderFactory LOGICAL_BUILDER

A RelBuilderFactory that creates a RelBuilder that will create logical relational expressions for everything.

Constructor Detail

RelFactories

private RelFactories()

Method Detail

expandingScanFactory

@Nonnull
public static RelFactories.TableScanFactory expandingScanFactory(@Nonnull
                                                                 RelFactories.TableScanFactory tableScanFactory)

Creates a RelFactories.TableScanFactory that can expand TranslatableTable instances, but explodes on views.

Parameters:

tableScanFactory - Factory for non-translatable tables

Returns:

Table scan factory

expandingScanFactory

@Nonnull
public static RelFactories.TableScanFactory expandingScanFactory(@Nonnull
                                                                 RelOptTable.ViewExpander viewExpander,
                                                                 @Nonnull
                                                                 RelFactories.TableScanFactory tableScanFactory)

Creates a RelFactories.TableScanFactory that uses a RelOptTable.ViewExpander to handle TranslatableTable instances, and falls back to a default factory for other tables.

Parameters:

viewExpander - View expander

tableScanFactory - Factory for non-translatable tables

Returns:

Table scan factory