java.lang.Object
- org.apache.derby.impl.sql.compile.QueryTreeNode
- - org.apache.derby.impl.sql.compile.StatementNode
  - - org.apache.derby.impl.sql.compile.DDLStatementNode
    - - org.apache.derby.impl.sql.compile.DropTableNode

All Implemented Interfaces:

Visitable
```
class DropTableNode
extends DDLStatementNode
```
A DropTableNode is the root of a QueryTree that represents a DROP TABLE statement.

Field Summary

Fields
Modifier and Type Field Description

private long conglomerateNumber

private int dropBehavior

private TableDescriptor td
- Fields inherited from class org.apache.derby.impl.sql.compile.DDLStatementNode
  ADD_TYPE, DROP_STATISTICS, DROP_TYPE, implicitCreateSchema, LOCKING_TYPE, MODIFY_TYPE, UNKNOWN_TYPE, UPDATE_STATISTICS
- Fields inherited from class org.apache.derby.impl.sql.compile.StatementNode
  EMPTY_TD_LIST, 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_CREATE_MODIFY, AUTOINCREMENT_CYCLE, AUTOINCREMENT_INC_INDEX, AUTOINCREMENT_IS_AUTOINCREMENT_INDEX, AUTOINCREMENT_START_INDEX

Constructor Summary

Constructors
Constructor Description

DropTableNode(TableName dropObjectName, int dropBehavior, ContextManager cm)
Constructor for a DropTableNode

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`bindStatement()`	Bind this LockTableNode.
`ConstantAction`	`makeConstantAction()`	Create the Constant information that will drive the guts of Execution.
`boolean`	`referencesSessionSchema()`	Return true if the node references SESSION schema tables (temporary or permanent)
`(package private) java.lang.String`	`statementToString()`
`java.lang.String`	`toString()`	Convert this object to a String.

Methods inherited from class org.apache.derby.impl.sql.compile.DDLStatementNode
acceptChildren, activationKind, generate, getFullName, getObjectName, getRelativeName, getSchemaDescriptor, getSchemaDescriptor, getTableDescriptor, getTableDescriptor, getTableDescriptor, getTableDescriptor, initAndCheck, isAtomic, makeFromList

Methods inherited from class org.apache.derby.impl.sql.compile.StatementNode
executeSchemaName, executeStatementName, generate, getCursorInfo, getSPSName, lockTableForCompilation, makeResultDescription, needsSavepoint, optimizeStatement, updateIndexStatisticsFor

Methods inherited from class org.apache.derby.impl.sql.compile.QueryTreeNode
accept, addTag, addUDTUsagePriv, addUDTUsagePriv, bindOffsetFetch, bindRowMultiSet, bindUserCatalogType, bindUserType, checkReliability, checkReliability, convertDefaultNode, copyTagsFrom, createTypeDependency, debugFlush, debugPrint, disablePrivilegeCollection, formatNodeString, generateAuthorizeCheck, getBeginOffset, getClassFactory, getCompilerContext, getContext, getContextManager, getDataDictionary, getDependencyManager, getEndOffset, getExecutionFactory, getGenericConstantActionFactory, getIntProperty, getLanguageConnectionContext, getLongProperty, getNullNode, getOffsetOrderedNodes, getOptimizerFactory, getOptimizerTracer, getParameterTypes, getSchemaDescriptor, getSchemaDescriptor, getStatementType, getTableDescriptor, getTypeCompiler, getUDTDesc, isPrivilegeCollectionRequired, isSessionSchema, isSessionSchema, makeTableName, makeTableName, nodeHeader, optimizerTracingIsOn, orReliability, parseSearchCondition, parseStatement, printLabel, printSubNodes, resolveTableToSynonym, setBeginOffset, setEndOffset, setRefActionInfo, stackPrint, taggedWith, treePrint, treePrint, verifyClassExist

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Field Detail
  - conglomerateNumber
```
private long conglomerateNumber
```
  - dropBehavior
```
private int dropBehavior
```
  - td
```
private TableDescriptor td
```
- Constructor Detail
  - DropTableNode
```
DropTableNode(TableName dropObjectName,
              int dropBehavior,
              ContextManager cm)
       throws StandardException
```
    Constructor for a DropTableNode
    
    Parameters:
    
    dropObjectName - The name of the object being dropped
    
    dropBehavior - Drop behavior (RESTRICT | CASCADE)
    
    cm - The context manager
    
    Throws:
    
    StandardException
- Method Detail
  - toString
```
public java.lang.String toString()
```
    Convert this object to a String. See comments in QueryTreeNode.java for how this should be done for tree printing.
    
    Overrides:
    
    toString in class DDLStatementNode
    
    Returns:
    
    This object as a String
  - statementToString
```
java.lang.String statementToString()
```
    Specified by:
    
    statementToString in class StatementNode
  - bindStatement
```
public void bindStatement()
                   throws StandardException
```
    Bind this LockTableNode. This means looking up the table, verifying it exists and getting the heap conglomerate number.
    
    Overrides:
    
    bindStatement in class StatementNode
    
    Throws:
    
    StandardException - Thrown on error
  - referencesSessionSchema
```
public boolean referencesSessionSchema()
                                throws StandardException
```
    Return true if the node references SESSION schema tables (temporary or permanent)
    
    Overrides:
    
    referencesSessionSchema in class QueryTreeNode
    
    Returns:
    
    true if references SESSION schema tables, else false
    
    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

Modifier and Type	Field	Description
`private long`	`conglomerateNumber`
`private int`	`dropBehavior`
`private TableDescriptor`	`td`

Class DropTableNode

Field Summary

Fields inherited from class org.apache.derby.impl.sql.compile.DDLStatementNode

Fields inherited from class org.apache.derby.impl.sql.compile.StatementNode

Fields inherited from class org.apache.derby.impl.sql.compile.QueryTreeNode

Constructor Summary

Method Summary

Methods inherited from class org.apache.derby.impl.sql.compile.DDLStatementNode

Methods inherited from class org.apache.derby.impl.sql.compile.StatementNode

Methods inherited from class org.apache.derby.impl.sql.compile.QueryTreeNode

Methods inherited from class java.lang.Object

Field Detail

conglomerateNumber

dropBehavior

td

Constructor Detail

DropTableNode

Method Detail

toString

statementToString

bindStatement

referencesSessionSchema

makeConstantAction