DropConstant

java.lang.Object
- org.h2.command.Prepared
- - org.h2.command.ddl.DefineCommand
  - - org.h2.command.ddl.SchemaCommand
    - - org.h2.command.ddl.DropConstant

public class DropConstant
extends SchemaCommand

This class represents the statement DROP CONSTANT

Field Summary
- Fields inherited from class org.h2.command.ddl.DefineCommand
  transactional
- Fields inherited from class org.h2.command.Prepared
  create, parameters, prepareAlways, session, sqlStatement, sqlTokens

Constructor Summary

Constructors
Constructor Description

DropConstant(SessionLocal session, Schema schema)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`getType()`	Get the command type as defined in CommandInterface
`void`	`setConstantName(java.lang.String constantName)`
`void`	`setIfExists(boolean b)`
`long`	`update()`	Execute the statement.

Methods inherited from class org.h2.command.ddl.SchemaCommand
getSchema

Methods inherited from class org.h2.command.ddl.DefineCommand
isReadOnly, isRetryable, isTransactional, queryMeta, setTransactional

Methods inherited from class org.h2.command.Prepared
checkCanceled, checkParameters, collectDependencies, getCurrentRowNumber, getDatabase, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, invalidateCachedResult, isCacheable, isQuery, isWithParamValues, needRecompile, prepare, query, setCommand, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, setWithParamValues, toString

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

- Constructor Detail
  - DropConstant
```
public DropConstant(SessionLocal session,
                    Schema schema)
```
- Method Detail
  - setIfExists
```
public void setIfExists(boolean b)
```
  - setConstantName
```
public void setConstantName(java.lang.String constantName)
```
  - getType
```
public int getType()
```
    Description copied from class: Prepared
    
    Get the command type as defined in CommandInterface
    
    Specified by:
    
    getType in class Prepared
    
    Returns:
    
    the statement type
  - update
```
public final long update()
```
    Description copied from class: Prepared
    
    Execute the statement.
    
    Overrides:
    
    update in class Prepared
    
    Returns:
    
    the update count