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

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`isReadOnly()`	Check if this command is read only.
`boolean`	`isRetryable()`	Returns is this command can be repeated on locking failure.
`boolean`	`isTransactional()`	Check if this command is transactional.
`ResultInterface`	`queryMeta()`	Get an empty result set containing the metadata.
`void`	`setTransactional(boolean transactional)`

Methods inherited from class org.h2.command.Prepared
checkCanceled, checkParameters, collectDependencies, getCurrentRowNumber, getDatabase, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, getType, invalidateCachedResult, isCacheable, isQuery, isWithParamValues, needRecompile, prepare, query, setCommand, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, setWithParamValues, 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.
- 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 metadata.
    
    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
  - isRetryable
```
public boolean isRetryable()
```
    Description copied from class: Prepared
    
    Returns is this command can be repeated on locking failure.
    
    Overrides:
    
    isRetryable in class Prepared
    
    Returns:
    
    is this command can be repeated on locking failure