Package org.h2.command.dml
Class BackupCommand
- java.lang.Object
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- org.h2.command.Prepared
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- org.h2.command.dml.BackupCommand
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public class BackupCommand extends Prepared
This class represents the statement BACKUP
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Field Summary
Fields Modifier and Type Field Description private Expression
fileNameExpr
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Fields inherited from class org.h2.command.Prepared
create, parameters, prepareAlways, session, sqlStatement, sqlTokens
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Constructor Summary
Constructors Constructor Description BackupCommand(SessionLocal session)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description private static void
backupFile(java.util.zip.ZipOutputStream out, java.lang.String base, java.lang.String fn, java.io.InputStream in)
private void
backupTo(java.lang.String fileName)
static java.lang.String
correctFileName(java.lang.String f)
Fix the file name, replacing backslash with slash.int
getType()
Get the command type as defined in CommandInterfaceboolean
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 org.h2.command.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
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Field Detail
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fileNameExpr
private Expression fileNameExpr
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Constructor Detail
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BackupCommand
public BackupCommand(SessionLocal session)
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Method Detail
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setFileName
public void setFileName(Expression fileName)
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update
public long update()
Description copied from class:Prepared
Execute the statement.
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backupTo
private void backupTo(java.lang.String fileName)
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backupFile
private static void backupFile(java.util.zip.ZipOutputStream out, java.lang.String base, java.lang.String fn, java.io.InputStream in) throws java.io.IOException
- Throws:
java.io.IOException
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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 classPrepared
- Returns:
- true if it is
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correctFileName
public static java.lang.String correctFileName(java.lang.String f)
Fix the file name, replacing backslash with slash.- Parameters:
f
- the file name- Returns:
- the corrected file name
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needRecompile
public boolean needRecompile()
Description copied from class:Prepared
Check if the statement needs to be re-compiled.- Overrides:
needRecompile
in classPrepared
- Returns:
- true if it must
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queryMeta
public ResultInterface queryMeta()
Description copied from class:Prepared
Get an empty result set containing the meta data.
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