Package org.apache.calcite.rel

Class RelReferentialConstraintImpl

java.lang.Object

org.apache.calcite.rel.RelReferentialConstraintImpl

All Implemented Interfaces:

RelReferentialConstraint

public class RelReferentialConstraintImpl
extends java.lang.Object
implements RelReferentialConstraint

RelOptReferentialConstraint base implementation.

Field Summary

Fields

Modifier and Type	Field	Description
private java.util.List<IntPair>	columnPairs
private java.util.List<java.lang.String>	sourceQualifiedName
private java.util.List<java.lang.String>	targetQualifiedName

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RelReferentialConstraintImpl(java.util.List<java.lang.String> sourceQualifiedName, java.util.List<java.lang.String> targetQualifiedName, java.util.List<IntPair> columnPairs)

Method Summary

Modifier and Type	Method	Description
java.util.List<IntPair>	getColumnPairs()	The (source, target) column ordinals.
int	getNumColumns()	Returns the number of columns in the keys.
java.util.List<java.lang.String>	getSourceQualifiedName()	The qualified name of the referencing table, e.g.
java.util.List<java.lang.String>	getTargetQualifiedName()	The qualified name of the referenced table, e.g.
static RelReferentialConstraintImpl	of(java.util.List<java.lang.String> sourceQualifiedName, java.util.List<java.lang.String> targetQualifiedName, java.util.List<IntPair> columnPairs)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

sourceQualifiedName

private final java.util.List<java.lang.String> sourceQualifiedName

targetQualifiedName

private final java.util.List<java.lang.String> targetQualifiedName

columnPairs

private final java.util.List<IntPair> columnPairs

Constructor Detail

RelReferentialConstraintImpl

private RelReferentialConstraintImpl(java.util.List<java.lang.String> sourceQualifiedName,
                                     java.util.List<java.lang.String> targetQualifiedName,
                                     java.util.List<IntPair> columnPairs)

Method Detail

getSourceQualifiedName

public java.util.List<java.lang.String> getSourceQualifiedName()

Description copied from interface: RelReferentialConstraint

The qualified name of the referencing table, e.g. DEPT.

Specified by:

getSourceQualifiedName in interface RelReferentialConstraint

getTargetQualifiedName

public java.util.List<java.lang.String> getTargetQualifiedName()

Description copied from interface: RelReferentialConstraint

The qualified name of the referenced table, e.g. EMP.

Specified by:

getTargetQualifiedName in interface RelReferentialConstraint

getColumnPairs

public java.util.List<IntPair> getColumnPairs()

Description copied from interface: RelReferentialConstraint

The (source, target) column ordinals.

Specified by:

getColumnPairs in interface RelReferentialConstraint

getNumColumns

public int getNumColumns()

Description copied from interface: RelReferentialConstraint

Returns the number of columns in the keys.

Specified by:

getNumColumns in interface RelReferentialConstraint

of

public static RelReferentialConstraintImpl of(java.util.List<java.lang.String> sourceQualifiedName,
                                              java.util.List<java.lang.String> targetQualifiedName,
                                              java.util.List<IntPair> columnPairs)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object