org.apache.derby.impl.sql.execute
Class DropAliasConstantAction
java.lang.Object
org.apache.derby.impl.sql.execute.DDLConstantAction
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.
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
sd
private SchemaDescriptor sd
aliasName
private final java.lang.String aliasName
nameSpace
private final char nameSpace
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.
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)
Apache Derby V10.6 Internals - Copyright © 2004,2007 The Apache Software Foundation. All Rights Reserved.