org.h2.command.dml
Class TransactionCommand

java.lang.Object
  org.h2.command.Prepared
      org.h2.command.dml.TransactionCommand

public class TransactionCommand
extends Prepared

Represents a transactional statement.

Field Summary

static int	AUTOCOMMIT_FALSE The type of a SET AUTOCOMMIT FALSE statement.
static int	AUTOCOMMIT_TRUE The type of a SET AUTOCOMMIT TRUE statement.
static int	BEGIN The type of a BEGIN {WORK|TRANSACTION} statement.
static int	CHECKPOINT The type of a CHECKPOINT statement.
static int	CHECKPOINT_SYNC The type of a CHECKPOINT SYNC statement.
static int	COMMIT The type of a COMMIT statement.
static int	COMMIT_TRANSACTION The type of a COMMIT TRANSACTION statement.
static int	PREPARE_COMMIT The type of a PREPARE COMMIT statement.
static int	ROLLBACK The type of a ROLLBACK statement.
static int	ROLLBACK_TO_SAVEPOINT The type of a ROLLBACK TO SAVEPOINT statement.
static int	ROLLBACK_TRANSACTION The type of a ROLLBACK TRANSACTION statement.
static int	SAVEPOINT The type of a SAVEPOINT statement.
static int	SHUTDOWN The type of a SHUTDOWN statement.
static int	SHUTDOWN_COMPACT The type of a SHUTDOWN COMPACT statement.
static int	SHUTDOWN_IMMEDIATELY The type of a SHUTDOWN IMMEDIATELY statement.

Fields inherited from class org.h2.command.Prepared

create, parameters, prepareAlways, session, sqlStatement

Constructor Summary

TransactionCommand(Session session, int type)

Method Summary

boolean	isTransactional() Check if this command is transactional.
boolean	needRecompile() Check if the statement needs to be re-compiled.
ResultInterface	queryMeta() Get an empty result set containing the meta data.
void	setSavepointName(java.lang.String name)
void	setTransactionName(java.lang.String string)
int	update() Execute the statement.

Methods inherited from class org.h2.command.Prepared

checkCanceled, checkParameters, getCurrentObjectId, getCurrentRowNumber, getObjectId, getParameters, getPlanSQL, getSQL, getSQL, getSQL, isQuery, isReadOnly, prepare, query, setCommand, setCurrentRowNumber, setObjectId, setParameterList, setPrepareAlways, setRow, setSession, setSQL, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

AUTOCOMMIT_TRUE

public static final int AUTOCOMMIT_TRUE

The type of a SET AUTOCOMMIT TRUE statement.

See Also:

Constant Field Values

AUTOCOMMIT_FALSE

public static final int AUTOCOMMIT_FALSE

The type of a SET AUTOCOMMIT FALSE statement.

See Also:

Constant Field Values

COMMIT

public static final int COMMIT

The type of a COMMIT statement.

See Also:

Constant Field Values

ROLLBACK

public static final int ROLLBACK

The type of a ROLLBACK statement.

See Also:

Constant Field Values

CHECKPOINT

public static final int CHECKPOINT

The type of a CHECKPOINT statement.

See Also:

Constant Field Values

SAVEPOINT

public static final int SAVEPOINT

The type of a SAVEPOINT statement.

See Also:

Constant Field Values

ROLLBACK_TO_SAVEPOINT

public static final int ROLLBACK_TO_SAVEPOINT

The type of a ROLLBACK TO SAVEPOINT statement.

See Also:

Constant Field Values

CHECKPOINT_SYNC

public static final int CHECKPOINT_SYNC

The type of a CHECKPOINT SYNC statement.

See Also:

Constant Field Values

PREPARE_COMMIT

public static final int PREPARE_COMMIT

The type of a PREPARE COMMIT statement.

See Also:

Constant Field Values

COMMIT_TRANSACTION

public static final int COMMIT_TRANSACTION

The type of a COMMIT TRANSACTION statement.

See Also:

Constant Field Values

ROLLBACK_TRANSACTION

public static final int ROLLBACK_TRANSACTION

The type of a ROLLBACK TRANSACTION statement.

See Also:

Constant Field Values

SHUTDOWN

public static final int SHUTDOWN

The type of a SHUTDOWN statement.

See Also:

Constant Field Values

SHUTDOWN_IMMEDIATELY

public static final int SHUTDOWN_IMMEDIATELY

The type of a SHUTDOWN IMMEDIATELY statement.

See Also:

Constant Field Values

SHUTDOWN_COMPACT

public static final int SHUTDOWN_COMPACT

The type of a SHUTDOWN COMPACT statement.

See Also:

Constant Field Values

BEGIN

public static final int BEGIN

The type of a BEGIN {WORK|TRANSACTION} statement.

See Also:

Constant Field Values

Constructor Detail

TransactionCommand

public TransactionCommand(Session session,
                          int type)

Method Detail

setSavepointName

public void setSavepointName(java.lang.String name)

update

public int update()

Description copied from class: Prepared

Execute the statement.

Overrides:

update in class Prepared

Returns:

the update count

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

needRecompile

public boolean needRecompile()

Description copied from class: Prepared

Check if the statement needs to be re-compiled.

Overrides:

needRecompile in class Prepared

Returns:

true if it must

setTransactionName

public void setTransactionName(java.lang.String string)

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