org.apache.derby.impl.sql.execute

Class DropConstraintConstantAction

java.lang.Object

org.apache.derby.impl.sql.execute.ConstraintConstantAction

org.apache.derby.impl.sql.execute.DropConstraintConstantAction

All Implemented Interfaces:

ConstantAction

public class DropConstraintConstantAction
extends ConstraintConstantAction

This class describes actions that are ALWAYS performed for a drop constraint at Execution time.

Field Summary

Fields inherited from interface org.apache.derby.iapi.sql.execute.ConstantAction

WHEN_MATCHED_THEN_DELETE, WHEN_MATCHED_THEN_UPDATE, WHEN_NOT_MATCHED_THEN_INSERT

Method Summary

Modifier and Type	Method and Description
void	executeConstantAction(Activation activation) This is the guts of the Execution-time logic for DROP CONSTRAINT.
java.lang.String	toString()

Methods inherited from class org.apache.derby.impl.sql.execute.ConstraintConstantAction

getConstraintId, getConstraintName, getConstraintType, getIndexAction

Methods inherited from class java.lang.Object

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

Method Detail

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

executeConstantAction

public void executeConstantAction(Activation activation)
                           throws StandardException

This is the guts of the Execution-time logic for DROP CONSTRAINT.

Parameters:

activation - The execution environment for this constant action.

Throws:

StandardException - Thrown on failure

See Also:

ConstantAction.executeConstantAction(org.apache.derby.iapi.sql.Activation)