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org.apache.derby.iapi.sql.dictionary
Class SubKeyConstraintDescriptor  

java.lang.Object
  org.apache.derby.iapi.sql.dictionary.TupleDescriptor
      org.apache.derby.iapi.sql.dictionary.SubConstraintDescriptor
          org.apache.derby.iapi.sql.dictionary.SubKeyConstraintDescriptor

All Implemented Interfaces:

UniqueTupleDescriptor

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public class SubKeyConstraintDescriptor

extends SubConstraintDescriptor

This interface is used to get information from a SubKeyConstraintDescriptor. A SubKeyConstraintDescriptor is used within the DataDictionary to get auxiliary constraint information from the system table that is auxiliary to sysconstraints.

Version:

0.1

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Field Summary
(package private)  org.apache.derby.catalog.UUID	indexId           Interface for SubKeyConstraintDescriptor is public UUID getIndexId(); public UUID getKeyConstraintId();
(package private)  org.apache.derby.catalog.UUID	keyConstraintId
(package private)  int	raDeleteRule
(package private)  int	raUpdateRule

 

Fields inherited from class org.apache.derby.iapi.sql.dictionary.SubConstraintDescriptor

constraintId, td

 

Fields inherited from class org.apache.derby.iapi.sql.dictionary.TupleDescriptor

COLUMN_LIST, CONGLOMERATE_LIST, CONSTRAINT_LIST, TRIGGER_LIST

 

Constructor Summary

SubKeyConstraintDescriptor(org.apache.derby.catalog.UUID constraintId, org.apache.derby.catalog.UUID indexId)           Constructor for a SubConstraintDescriptorImpl

SubKeyConstraintDescriptor(org.apache.derby.catalog.UUID constraintId, org.apache.derby.catalog.UUID indexId, org.apache.derby.catalog.UUID keyConstraintId)           Constructor for a SubConstraintDescriptor

SubKeyConstraintDescriptor(org.apache.derby.catalog.UUID constraintId, org.apache.derby.catalog.UUID indexId, org.apache.derby.catalog.UUID keyConstraintId, int raDeleteRule, int raUpdateRule)           Constructor for a SubConstraintDescriptor

 

Method Summary
org.apache.derby.catalog.UUID	getIndexId()           Gets the UUID of the backing index.
org.apache.derby.catalog.UUID	getKeyConstraintId()           Gets the UUID of the referenced key constraint
int	getRaDeleteRule()           Gets a referential action rule on a DELETE
int	getRaUpdateRule()           Gets a referential action rule on a UPDATE
boolean	hasBackingIndex()           Does this constraint have a backing index?
java.lang.String	toString()           Convert the SubKeyConstraintDescriptor to a String.

 

Methods inherited from class org.apache.derby.iapi.sql.dictionary.SubConstraintDescriptor

getTableDescriptor, getUUID, setConstraintId, setTableDescriptor

 

Methods inherited from class org.apache.derby.iapi.sql.dictionary.TupleDescriptor

getColumnDependableFinder, getDataDictionary, getDependableFinder, getDescriptorName, getDescriptorType, isPersistent, setDataDictionary

 

Methods inherited from class java.lang.Object

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

 

Field Detail

indexId

org.apache.derby.catalog.UUID indexId

Interface for SubKeyConstraintDescriptor is

1. public UUID getIndexId();
2. public UUID getKeyConstraintId();

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keyConstraintId

org.apache.derby.catalog.UUID keyConstraintId

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raDeleteRule

int raDeleteRule

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raUpdateRule

int raUpdateRule

Constructor Detail

SubKeyConstraintDescriptor

public SubKeyConstraintDescriptor(org.apache.derby.catalog.UUID constraintId,
                                  org.apache.derby.catalog.UUID indexId)

Constructor for a SubConstraintDescriptorImpl

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SubKeyConstraintDescriptor

public SubKeyConstraintDescriptor(org.apache.derby.catalog.UUID constraintId,
                                  org.apache.derby.catalog.UUID indexId,
                                  org.apache.derby.catalog.UUID keyConstraintId)

Constructor for a SubConstraintDescriptor

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SubKeyConstraintDescriptor

public SubKeyConstraintDescriptor(org.apache.derby.catalog.UUID constraintId,
                                  org.apache.derby.catalog.UUID indexId,
                                  org.apache.derby.catalog.UUID keyConstraintId,
                                  int raDeleteRule,
                                  int raUpdateRule)

Constructor for a SubConstraintDescriptor

Method Detail

getIndexId

public org.apache.derby.catalog.UUID getIndexId()

Gets the UUID of the backing index.

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getKeyConstraintId

public org.apache.derby.catalog.UUID getKeyConstraintId()

Gets the UUID of the referenced key constraint

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hasBackingIndex

public boolean hasBackingIndex()

Does this constraint have a backing index?

Specified by:

hasBackingIndex in class SubConstraintDescriptor

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getRaDeleteRule

public int getRaDeleteRule()

Gets a referential action rule on a DELETE

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getRaUpdateRule

public int getRaUpdateRule()

Gets a referential action rule on a UPDATE

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toString

public java.lang.String toString()

Convert the SubKeyConstraintDescriptor to a String.

Overrides:

toString in class SubConstraintDescriptor

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