org.apache.derby.impl.sql.execute

Class ReferencedKeyRIChecker

java.lang.Object

org.apache.derby.impl.sql.execute.GenericRIChecker

org.apache.derby.impl.sql.execute.ReferencedKeyRIChecker

public class ReferencedKeyRIChecker
extends GenericRIChecker

A Referential Integrity checker for a change to a referenced key (primary or unique). Makes sure that all the referenced key row is not referenced by any of its foreign keys. see ForeignKeyRIChecker for the code that validates changes to foreign keys.

Method Summary

Modifier and Type	Method and Description
void	postCheck() Check that we have at least one more row in the referenced table table containing a key than the number of projected deletes of that key.

Methods inherited from class java.lang.Object

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

Method Detail

postCheck

public void postCheck()
               throws StandardException

Check that we have at least one more row in the referenced table table containing a key than the number of projected deletes of that key. Only used when the referenced constraint id deferred and with RESTRICT mode

Throws:

StandardException - Standard error policy