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java.lang.Objectorg.h2.util.Tool
org.h2.tools.Recover
public class Recover
Helps recovering a corrupted database.
| Field Summary |
|---|
| Fields inherited from class org.h2.util.Tool |
|---|
out |
| Constructor Summary | |
|---|---|
Recover()
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|
| Method Summary | |
|---|---|
void |
checkPowerOff()
INTERNAL |
void |
checkWritingAllowed()
INTERNAL |
static void |
execute(java.lang.String dir,
java.lang.String db)
Dumps the contents of a database to a SQL script file. |
java.lang.String |
getDatabasePath()
INTERNAL |
java.lang.String |
getLobCompressionAlgorithm(int type)
INTERNAL |
java.sql.Connection |
getLobConnection()
INTERNAL |
SmallLRUCache<java.lang.String,java.lang.String[]> |
getLobFileListCache()
INTERNAL |
LobStorage |
getLobStorage()
INTERNAL |
java.lang.Object |
getLobSyncObject()
INTERNAL |
int |
getMaxLengthInplaceLob()
INTERNAL |
TempFileDeleter |
getTempFileDeleter()
INTERNAL |
static void |
main(java.lang.String... args)
Options are case sensitive. |
FileStore |
openFile(java.lang.String name,
java.lang.String mode,
boolean mustExist)
INTERNAL |
static java.io.InputStream |
readBlob(java.lang.String fileName)
INTERNAL |
static Value.ValueBlob |
readBlobDb(java.sql.Connection conn,
long lobId,
long precision)
INTERNAL |
static java.io.Reader |
readClob(java.lang.String fileName)
INTERNAL |
static Value.ValueClob |
readClobDb(java.sql.Connection conn,
long lobId,
long precision)
INTERNAL |
int |
readLob(long lobId,
long offset,
byte[] buff,
int off,
int length)
INTERNAL |
void |
runTool(java.lang.String... args)
Dumps the contents of a database file to a human readable text file. |
| Methods inherited from class org.h2.util.Tool |
|---|
isOption, printNoDatabaseFilesFound, setOut, showUsage, showUsageAndThrowUnsupportedOption, throwUnsupportedOption |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public Recover()
| Method Detail |
|---|
public static void main(java.lang.String... args)
throws java.sql.SQLException
| [-help] or [-?] | Print the list of options |
| [-dir <dir>] | The directory (default: .) |
| [-db <database>] | The database name (all databases if not set) |
| [-trace] | Print additional trace information |
args - the command line arguments
java.sql.SQLException
public void runTool(java.lang.String... args)
throws java.sql.SQLException
runTool in class Toolargs - the command line arguments
java.sql.SQLException
public static java.io.Reader readClob(java.lang.String fileName)
throws java.io.IOException
java.io.IOException
public static java.io.InputStream readBlob(java.lang.String fileName)
throws java.io.IOException
java.io.IOException
public static Value.ValueBlob readBlobDb(java.sql.Connection conn,
long lobId,
long precision)
public static Value.ValueClob readClobDb(java.sql.Connection conn,
long lobId,
long precision)
public static void execute(java.lang.String dir,
java.lang.String db)
throws java.sql.SQLException
dir - the directorydb - the database name (null for all databases)
java.sql.SQLExceptionpublic java.lang.String getDatabasePath()
getDatabasePath in interface DataHandler
public FileStore openFile(java.lang.String name,
java.lang.String mode,
boolean mustExist)
openFile in interface DataHandlername - the file namemode - the modemustExist - whether the file must already exist
public void checkPowerOff()
checkPowerOff in interface DataHandlerpublic void checkWritingAllowed()
checkWritingAllowed in interface DataHandlerpublic int getMaxLengthInplaceLob()
getMaxLengthInplaceLob in interface DataHandlerpublic java.lang.String getLobCompressionAlgorithm(int type)
getLobCompressionAlgorithm in interface DataHandlertype - the data type (CLOB or BLOB)
public java.lang.Object getLobSyncObject()
getLobSyncObject in interface DataHandlerpublic SmallLRUCache<java.lang.String,java.lang.String[]> getLobFileListCache()
getLobFileListCache in interface DataHandlerpublic TempFileDeleter getTempFileDeleter()
getTempFileDeleter in interface DataHandlerpublic LobStorage getLobStorage()
getLobStorage in interface DataHandlerpublic java.sql.Connection getLobConnection()
getLobConnection in interface DataHandler
public int readLob(long lobId,
long offset,
byte[] buff,
int off,
int length)
readLob in interface DataHandlerlobId - the loboffset - the offset within the lobbuff - the target bufferoff - the offset within the target bufferlength - the number of bytes to read
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