Class BackupCommand

java.lang.Object

org.h2.command.Prepared

org.h2.command.dml.BackupCommand

public class BackupCommand
extends Prepared

This class represents the statement BACKUP

Field Summary

Fields

Modifier and Type	Field	Description
private Expression	fileNameExpr

Fields inherited from class Prepared

create, parameters, prepareAlways, session, sqlStatement, sqlTokens

Constructor Summary

Constructors

Constructor	Description
BackupCommand(SessionLocal session)

Method Summary

Modifier and Type	Method	Description
private static void	backupFile(ZipOutputStream out, String base, String fn, InputStream in)
private void	backupTo(String fileName)
static String	correctFileName(String f)	Fix the file name, replacing backslash with slash.
int	getType()	Get the command type as defined in CommandInterface
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	setFileName(Expression fileName)
long	update()	Execute the statement.

Methods inherited from class Prepared

checkCanceled, checkParameters, collectDependencies, getCteCleanups, getCurrentRowNumber, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, isCacheable, isQuery, isReadOnly, prepare, query, setCommand, setCteCleanups, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, toString

Methods inherited from class Object

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

Field Details

fileNameExpr

private Expression fileNameExpr

Constructor Details

BackupCommand

public BackupCommand(SessionLocal session)

Method Details

setFileName

public void setFileName(Expression fileName)

update

public long update()

Description copied from class: Prepared

Execute the statement.

Overrides:

update in class Prepared

Returns:

the update count

backupTo

private void backupTo(String fileName)

backupFile

private static void backupFile(ZipOutputStream out,
 String base,
 String fn,
 InputStream in)
                        throws IOException

Throws:

IOException

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

correctFileName

public static String correctFileName(String f)

Fix the file name, replacing backslash with slash.

Parameters:

f - the file name

Returns:

the corrected file name

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

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

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