org.apache.derby.impl.sql.compile
Class DropAliasNode

java.lang.Object
  extended byorg.apache.derby.impl.sql.compile.QueryTreeNode
      extended byorg.apache.derby.impl.sql.compile.StatementNode
          extended byorg.apache.derby.impl.sql.compile.DDLStatementNode
              extended byorg.apache.derby.impl.sql.compile.DropStatementNode
                  extended byorg.apache.derby.impl.sql.compile.DropAliasNode
All Implemented Interfaces:
Visitable

public class DropAliasNode
extends DropStatementNode

A DropAliasNode represents a DROP ALIAS statement.

Author:
Jerry Brenner

Field Summary
private  char aliasType
           
private  char nameSpace
           
 
Fields inherited from class org.apache.derby.impl.sql.compile.DDLStatementNode
ADD_TYPE, DROP_TYPE, implicitCreateSchema, LOCKING_TYPE, MODIFY_TYPE, UNKNOWN_TYPE
 
Fields inherited from class org.apache.derby.impl.sql.compile.StatementNode
NEED_CURSOR_ACTIVATION, NEED_DDL_ACTIVATION, NEED_NOTHING_ACTIVATION, NEED_PARAM_ACTIVATION, NEED_ROW_ACTIVATION
 
Fields inherited from class org.apache.derby.impl.sql.compile.QueryTreeNode
AUTOINCREMENT_INC_INDEX, AUTOINCREMENT_IS_AUTOINCREMENT_INDEX, AUTOINCREMENT_START_INDEX, beginOffset, endOffset
 
Constructor Summary
DropAliasNode()
           
 
Method Summary
private static java.lang.String aliasTypeName(char actualType)
           
 QueryTreeNode bind()
          Bind this DropMethodAliasNode.
 char getAliasType()
           
 void init(java.lang.Object dropAliasName, java.lang.Object aliasType)
          Initializer for a DropAliasNode
 ConstantAction makeConstantAction()
          Create the Constant information that will drive the guts of Execution.
 java.lang.String statementToString()
           
 
Methods inherited from class org.apache.derby.impl.sql.compile.DDLStatementNode
activationKind, bindName, generate, getFullName, getObjectName, getRelativeName, getSchemaDescriptor, getTableDescriptor, getTableDescriptor, getTableDescriptor, init, initAndCheck, isAtomic, toString
 
Methods inherited from class org.apache.derby.impl.sql.compile.StatementNode
generate, lockTableForCompilation
 
Methods inherited from class org.apache.derby.impl.sql.compile.QueryTreeNode
accept, convertDefaultNode, debugFlush, debugPrint, executeSchemaName, executeStatementName, formatNodeString, foundString, generateAuthorizeCheck, getBeginOffset, getClassFactory, getCompilerContext, getContextManager, getCursorInfo, getDataDictionary, getDependencyManager, getEndOffset, getExecutionFactory, getGenericConstantActionFactory, getIntProperty, getLanguageConnectionContext, getNodeFactory, getNodeType, getNullNode, getParameterTypes, getRowEstimate, getSchemaDescriptor, getSchemaDescriptor, getSPSName, getStatementType, getTableDescriptor, getTypeCompiler, init, init, init, init, init, init, init, init, init, init, init, init, isInstanceOf, isSessionSchema, isSessionSchema, makeResultDescription, makeTableName, needsSavepoint, nodeHeader, optimize, parseQueryText, printLabel, printSubNodes, referencesSessionSchema, resolveTableToSynonym, setBeginOffset, setContextManager, setEndOffset, setNodeType, setRefActionInfo, treePrint, treePrint, verifyClassExist
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

aliasType

private char aliasType

nameSpace

private char nameSpace
Constructor Detail

DropAliasNode

public DropAliasNode()
Method Detail

init

public void init(java.lang.Object dropAliasName,
                 java.lang.Object aliasType)
          throws StandardException
Initializer for a DropAliasNode

Overrides:
init in class QueryTreeNode
Parameters:
dropAliasName - The name of the method alias being dropped
aliasType - Alias type
Throws:
StandardException

getAliasType

public char getAliasType()

statementToString

public java.lang.String statementToString()
Specified by:
statementToString in class StatementNode

bind

public QueryTreeNode bind()
                   throws StandardException
Bind this DropMethodAliasNode.

Overrides:
bind in class QueryTreeNode
Returns:
The bound query tree
Throws:
StandardException - Thrown on error

makeConstantAction

public ConstantAction makeConstantAction()
                                  throws StandardException
Create the Constant information that will drive the guts of Execution.

Overrides:
makeConstantAction in class QueryTreeNode
Throws:
StandardException - Thrown on failure

aliasTypeName

private static java.lang.String aliasTypeName(char actualType)

Built on Tue 2006-10-10 19:23:47+0200, from revision exported

Apache Derby V10.1 Engine Documentation - Copyright © 1997,2005 The Apache Software Foundation or its licensors, as applicable.