DefineCommand

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

Direct Known Subclasses:

AlterIndexRename, AlterSchemaRename, AlterUser, AlterView, Analyze, CreateRole, CreateSchema, CreateUser, DeallocateProcedure, DropDatabase, DropRole, DropSchema, DropTable, DropUser, GrantRevoke, PrepareProcedure, SchemaCommand, SetComment, TruncateTable
```
public abstract class DefineCommand
extends Prepared
```
This class represents a non-transaction statement, for example a CREATE or DROP.

Field Summary

Fields
Modifier and Type Field Description

protected boolean transactional
The transactional behavior.
- Fields inherited from class org.h2.command.Prepared
  create, parameters, prepareAlways, session, sqlStatement, sqlTokens

Constructor Summary

Constructors
Constructor Description

DefineCommand(SessionLocal session)
Create a new command for the given session.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`isReadOnly()`	Check if this command is read only.
`boolean`	`isTransactional()`	Check if this command is transactional.
`ResultInterface`	`queryMeta()`	Get an empty result set containing the meta data.
`void`	`setTransactional(boolean transactional)`

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

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

- Field Detail
  - transactional
```
protected boolean transactional
```
    The transactional behavior. The default is disabled, meaning the command commits an open transaction.
- Constructor Detail
  - DefineCommand
```
DefineCommand(SessionLocal session)
```
    Create a new command for the given session.
    
    Parameters:
    
    session - the session
- Method Detail
  - isReadOnly
```
public boolean isReadOnly()
```
    Description copied from class: Prepared
    
    Check if this command is read only.
    
    Overrides:
    
    isReadOnly in class Prepared
    
    Returns:
    
    true if it is
  - queryMeta
```
public ResultInterface queryMeta()
```
    Description copied from class: Prepared
    
    Get an empty result set containing the meta data.
    
    Specified by:
    
    queryMeta in class Prepared
    
    Returns:
    
    the result set
  - setTransactional
```
public void setTransactional(boolean transactional)
```
  - isTransactional
```
public boolean isTransactional()
```
    Description copied from class: Prepared
    
    Check if this command is transactional. If it is not, then it forces the current transaction to commit.
    
    Specified by:
    
    isTransactional in class Prepared
    
    Returns:
    
    true if it is