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org.apache.derby.impl.sql.execute
Class DropSchemaConstantAction  view DropSchemaConstantAction download DropSchemaConstantAction.java

java.lang.Object
  extended byorg.apache.derby.impl.sql.execute.GenericConstantAction
      extended byorg.apache.derby.impl.sql.execute.DDLConstantAction
          extended byorg.apache.derby.impl.sql.execute.DropSchemaConstantAction
All Implemented Interfaces:
org.apache.derby.iapi.sql.execute.ConstantAction

class DropSchemaConstantAction
extends DDLConstantAction

This class describes actions that are ALWAYS performed for a DROP SCHEMA Statement at Execution time.


Field Summary
private  java.lang.String schemaName
           
 
Fields inherited from interface org.apache.derby.iapi.sql.execute.ConstantAction
RUNTIMESTATISTICS, STATISTICSTIMING
 
Constructor Summary
(package private) DropSchemaConstantAction(java.lang.String schemaName)
          Make the ConstantAction for a DROP TABLE statement.
 
Method Summary
 void executeConstantAction(org.apache.derby.iapi.sql.Activation activation)
          This is the guts of the Execution-time logic for DROP TABLE.
 java.lang.String toString()
          Convert this Object to a human-readable String.
 
Methods inherited from class org.apache.derby.impl.sql.execute.DDLConstantAction
constructToString, getAndCheckSchemaDescriptor, getSchemaDescriptorForCreate, lockTableForDDL, modifiesTableId, readExternal, upToDate, writeExternal
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

schemaName

private final java.lang.String schemaName
Constructor Detail

DropSchemaConstantAction

DropSchemaConstantAction(java.lang.String schemaName)
Make the ConstantAction for a DROP TABLE statement.

Method Detail

toString

public java.lang.String toString()
Description copied from class: java.lang.Object
Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).


executeConstantAction

public void executeConstantAction(org.apache.derby.iapi.sql.Activation activation)
                           throws org.apache.derby.iapi.error.StandardException
This is the guts of the Execution-time logic for DROP TABLE.