org.apache.derby.impl.sql.execute
Class DropAliasConstantAction

java.lang.Object
  extended by org.apache.derby.impl.sql.execute.DDLConstantAction
      extended by org.apache.derby.impl.sql.execute.DropAliasConstantAction
All Implemented Interfaces:
ConstantAction

 class DropAliasConstantAction
extends DDLConstantAction

This class performs actions that are ALWAYS performed for a DROP FUNCTION/PROCEDURE/SYNONYM statement at execution time. All of these SQL objects are represented by an AliasDescriptor.


Field Summary
private  java.lang.String aliasName
           
private  char nameSpace
           
private  SchemaDescriptor sd
           
 
Constructor Summary
DropAliasConstantAction(SchemaDescriptor sd, java.lang.String aliasName, char nameSpace)
          Make the ConstantAction for a DROP ALIAS statement.
 
Method Summary
 void executeConstantAction(Activation activation)
          This is the guts of the Execution-time logic for DROP ALIAS.
 java.lang.String toString()
           
 
Methods inherited from class org.apache.derby.impl.sql.execute.DDLConstantAction
addColumnDependencies, adjustUDTDependencies, adjustUDTDependencies, constructToString, getAndCheckSchemaDescriptor, getSchemaDescriptorForCreate, lockTableForDDL, storeConstraintDependenciesOnPrivileges, storeViewTriggerDependenciesOnPrivileges
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

sd

private SchemaDescriptor sd

aliasName

private final java.lang.String aliasName

nameSpace

private final char nameSpace
Constructor Detail

DropAliasConstantAction

DropAliasConstantAction(SchemaDescriptor sd,
                        java.lang.String aliasName,
                        char nameSpace)
Make the ConstantAction for a DROP ALIAS statement.

Parameters:
aliasName - Alias name.
nameSpace - Alias name space.
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 ALIAS.

Parameters:
activation - The execution environment for this constant action.
Throws:
StandardException - Thrown on failure
See Also:
ConstantAction.executeConstantAction(org.apache.derby.iapi.sql.Activation)

Built on Thu 2012-03-29 21:53:33+0000, from revision ???

Apache Derby V10.6 Internals - Copyright © 2004,2007 The Apache Software Foundation. All Rights Reserved.