Package org.apache.calcite.rel.metadata

Class RelMdColumnOrigins

java.lang.Object

org.apache.calcite.rel.metadata.RelMdColumnOrigins

All Implemented Interfaces:

MetadataHandler<BuiltInMetadata.ColumnOrigin>

public class RelMdColumnOrigins
extends java.lang.Object
implements MetadataHandler<BuiltInMetadata.ColumnOrigin>

RelMdColumnOrigins supplies a default implementation of RelMetadataQuery.getColumnOrigins(org.apache.calcite.rel.RelNode, int) for the standard logical algebra.

Field Summary

Fields

Modifier and Type	Field	Description
static RelMetadataProvider	SOURCE

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RelMdColumnOrigins()

Method Summary

Modifier and Type	Method	Description
private java.util.Set<RelColumnOrigin>	createDerivedColumnOrigins(java.util.Set<RelColumnOrigin> inputSet)
java.util.Set<RelColumnOrigin>	getColumnOrigins(Aggregate rel, RelMetadataQuery mq, int iOutputColumn)
java.util.Set<RelColumnOrigin>	getColumnOrigins(Exchange rel, RelMetadataQuery mq, int iOutputColumn)
java.util.Set<RelColumnOrigin>	getColumnOrigins(Filter rel, RelMetadataQuery mq, int iOutputColumn)
java.util.Set<RelColumnOrigin>	getColumnOrigins(Join rel, RelMetadataQuery mq, int iOutputColumn)
java.util.Set<RelColumnOrigin>	getColumnOrigins(Project rel, RelMetadataQuery mq, int iOutputColumn)
java.util.Set<RelColumnOrigin>	getColumnOrigins(SetOp rel, RelMetadataQuery mq, int iOutputColumn)
java.util.Set<RelColumnOrigin>	getColumnOrigins(Sort rel, RelMetadataQuery mq, int iOutputColumn)
java.util.Set<RelColumnOrigin>	getColumnOrigins(TableFunctionScan rel, RelMetadataQuery mq, int iOutputColumn)
java.util.Set<RelColumnOrigin>	getColumnOrigins(RelNode rel, RelMetadataQuery mq, int iOutputColumn)
MetadataDef<BuiltInMetadata.ColumnOrigin>	getDef()

Methods inherited from class java.lang.Object

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

Field Detail

SOURCE

public static final RelMetadataProvider SOURCE

Constructor Detail

RelMdColumnOrigins

private RelMdColumnOrigins()

Method Detail

getDef

public MetadataDef<BuiltInMetadata.ColumnOrigin> getDef()

Specified by:

getDef in interface MetadataHandler<BuiltInMetadata.ColumnOrigin>

getColumnOrigins

public java.util.Set<RelColumnOrigin> getColumnOrigins(Aggregate rel,
                                                       RelMetadataQuery mq,
                                                       int iOutputColumn)

getColumnOrigins

public java.util.Set<RelColumnOrigin> getColumnOrigins(Join rel,
                                                       RelMetadataQuery mq,
                                                       int iOutputColumn)

getColumnOrigins

public java.util.Set<RelColumnOrigin> getColumnOrigins(SetOp rel,
                                                       RelMetadataQuery mq,
                                                       int iOutputColumn)

getColumnOrigins

public java.util.Set<RelColumnOrigin> getColumnOrigins(Project rel,
                                                       RelMetadataQuery mq,
                                                       int iOutputColumn)

getColumnOrigins

public java.util.Set<RelColumnOrigin> getColumnOrigins(Filter rel,
                                                       RelMetadataQuery mq,
                                                       int iOutputColumn)

getColumnOrigins

public java.util.Set<RelColumnOrigin> getColumnOrigins(Sort rel,
                                                       RelMetadataQuery mq,
                                                       int iOutputColumn)

getColumnOrigins

public java.util.Set<RelColumnOrigin> getColumnOrigins(Exchange rel,
                                                       RelMetadataQuery mq,
                                                       int iOutputColumn)

getColumnOrigins

public java.util.Set<RelColumnOrigin> getColumnOrigins(TableFunctionScan rel,
                                                       RelMetadataQuery mq,
                                                       int iOutputColumn)

getColumnOrigins

public java.util.Set<RelColumnOrigin> getColumnOrigins(RelNode rel,
                                                       RelMetadataQuery mq,
                                                       int iOutputColumn)

createDerivedColumnOrigins

private java.util.Set<RelColumnOrigin> createDerivedColumnOrigins(java.util.Set<RelColumnOrigin> inputSet)