org.apache.calcite.rel.metadata

Class RelMdColumnOrigins

java.lang.Object

org.apache.calcite.rel.metadata.RelMdColumnOrigins

public class RelMdColumnOrigins
extends Object

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 and Description
static RelMetadataProvider	SOURCE

Method Summary

Methods

Modifier and Type	Method and Description
Set<RelColumnOrigin>	getColumnOrigins(Aggregate rel, int iOutputColumn)
Set<RelColumnOrigin>	getColumnOrigins(Exchange rel, int iOutputColumn)
Set<RelColumnOrigin>	getColumnOrigins(Filter rel, int iOutputColumn)
Set<RelColumnOrigin>	getColumnOrigins(Join rel, int iOutputColumn)
Set<RelColumnOrigin>	getColumnOrigins(Project rel, int iOutputColumn)
Set<RelColumnOrigin>	getColumnOrigins(RelNode rel, int iOutputColumn)
Set<RelColumnOrigin>	getColumnOrigins(SetOp rel, int iOutputColumn)
Set<RelColumnOrigin>	getColumnOrigins(Sort rel, int iOutputColumn)
Set<RelColumnOrigin>	getColumnOrigins(TableFunctionScan rel, int iOutputColumn)
protected Set<RelColumnOrigin>	invokeGetColumnOrigins(RelNode rel, int iOutputColumn)

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

Method Detail

getColumnOrigins

public Set<RelColumnOrigin> getColumnOrigins(Aggregate rel,
                                    int iOutputColumn)

getColumnOrigins

public Set<RelColumnOrigin> getColumnOrigins(Join rel,
                                    int iOutputColumn)

getColumnOrigins

public Set<RelColumnOrigin> getColumnOrigins(SetOp rel,
                                    int iOutputColumn)

getColumnOrigins

public Set<RelColumnOrigin> getColumnOrigins(Project rel,
                                    int iOutputColumn)

getColumnOrigins

public Set<RelColumnOrigin> getColumnOrigins(Filter rel,
                                    int iOutputColumn)

getColumnOrigins

public Set<RelColumnOrigin> getColumnOrigins(Sort rel,
                                    int iOutputColumn)

getColumnOrigins

public Set<RelColumnOrigin> getColumnOrigins(Exchange rel,
                                    int iOutputColumn)

getColumnOrigins

public Set<RelColumnOrigin> getColumnOrigins(TableFunctionScan rel,
                                    int iOutputColumn)

getColumnOrigins

public Set<RelColumnOrigin> getColumnOrigins(RelNode rel,
                                    int iOutputColumn)

invokeGetColumnOrigins

protected Set<RelColumnOrigin> invokeGetColumnOrigins(RelNode rel,
                                          int iOutputColumn)