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java.lang.Objectorg.h2.command.Prepared
org.h2.command.dml.ScriptCommand
public class ScriptCommand
This class represents the statement SCRIPT
Field Summary | |
---|---|
protected java.io.InputStream |
in
The input stream. |
protected java.io.OutputStream |
out
The output stream. |
Fields inherited from class org.h2.command.Prepared |
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create, parameters, prepareAlways, session, sqlStatement |
Constructor Summary | |
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ScriptCommand(Session session)
|
Method Summary | |
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void |
checkPowerOff()
Check if the simulated power failure occurred. |
void |
checkWritingAllowed()
Check if writing is allowed. |
static java.io.InputStream |
combineBlob(java.sql.Connection conn,
int id)
Combine a BLOB. |
static java.io.Reader |
combineClob(java.sql.Connection conn,
int id)
Combine a CLOB. |
java.lang.String |
getDatabasePath()
Get the database path. |
protected java.lang.String |
getFileName()
|
JavaObjectSerializer |
getJavaObjectSerializer()
Return the serializer to be used for java objects being stored in column of type OTHER. |
java.lang.String |
getLobCompressionAlgorithm(int type)
Get the compression algorithm used for large objects. |
SmallLRUCache<java.lang.String,java.lang.String[]> |
getLobFileListCache()
Get the lob file list cache if it is used. |
LobStorageBackend |
getLobStorage()
Get the lob storage mechanism to use. |
java.lang.Object |
getLobSyncObject()
Get the synchronization object for lob operations. |
int |
getMaxLengthInplaceLob()
Get the maximum length of a in-place large object |
TempFileDeleter |
getTempFileDeleter()
Get the temp file deleter mechanism. |
int |
getType()
Get the command type as defined in CommandInterface |
boolean |
isQuery()
Check if this object is a query. |
boolean |
isTransactional()
Check if this command is transactional. |
boolean |
needRecompile()
Check if the statement needs to be re-compiled. |
FileStore |
openFile(java.lang.String name,
java.lang.String mode,
boolean mustExist)
Open a file at the given location. |
ResultInterface |
query(int maxrows)
Execute the query. |
ResultInterface |
queryMeta()
Get an empty result set containing the meta data. |
int |
readLob(long lobId,
byte[] hmac,
long offset,
byte[] buff,
int off,
int length)
Read from a lob. |
void |
setCharset(java.nio.charset.Charset charset)
|
void |
setCipher(java.lang.String c)
|
void |
setCompressionAlgorithm(java.lang.String algorithm)
|
void |
setData(boolean data)
|
void |
setDrop(boolean drop)
|
void |
setFileNameExpr(Expression file)
|
void |
setLobBlockSize(long blockSize)
|
void |
setPassword(Expression password)
|
void |
setPasswords(boolean passwords)
|
void |
setSchemaNames(java.util.Set<java.lang.String> schemaNames)
|
void |
setSettings(boolean settings)
|
void |
setSimple(boolean simple)
|
void |
setTables(java.util.Collection<Table> tables)
|
Methods inherited from class org.h2.command.Prepared |
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checkCanceled, checkParameters, getCurrentObjectId, getCurrentRowNumber, getObjectId, getParameters, getPlanSQL, getSQL, getSQL, getSQL, isCacheable, isReadOnly, prepare, setCommand, setCurrentRowNumber, setObjectId, setParameterList, setPrepareAlways, setRow, setSession, setSQL, toString, update |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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protected java.io.OutputStream out
protected java.io.InputStream in
Constructor Detail |
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public ScriptCommand(Session session)
Method Detail |
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public boolean isQuery()
Prepared
isQuery
in class Prepared
public void setSchemaNames(java.util.Set<java.lang.String> schemaNames)
public void setTables(java.util.Collection<Table> tables)
public void setData(boolean data)
public void setPasswords(boolean passwords)
public void setSettings(boolean settings)
public void setLobBlockSize(long blockSize)
public void setDrop(boolean drop)
public ResultInterface queryMeta()
Prepared
queryMeta
in class Prepared
public ResultInterface query(int maxrows)
Prepared
query
in class Prepared
maxrows
- the maximum number of rows to return
public static java.io.InputStream combineBlob(java.sql.Connection conn, int id) throws java.sql.SQLException
conn
- a connectionid
- the lob id
java.sql.SQLException
public static java.io.Reader combineClob(java.sql.Connection conn, int id) throws java.sql.SQLException
conn
- a connectionid
- the lob id
java.sql.SQLException
public void setSimple(boolean simple)
public void setCharset(java.nio.charset.Charset charset)
public int getType()
Prepared
getType
in class Prepared
public void setCipher(java.lang.String c)
public void setPassword(Expression password)
public void setFileNameExpr(Expression file)
protected java.lang.String getFileName()
public boolean isTransactional()
Prepared
isTransactional
in class Prepared
public boolean needRecompile()
Prepared
needRecompile
in class Prepared
public java.lang.String getDatabasePath()
DataHandler
getDatabasePath
in interface DataHandler
public FileStore openFile(java.lang.String name, java.lang.String mode, boolean mustExist)
DataHandler
openFile
in interface DataHandler
name
- the file namemode
- the modemustExist
- whether the file must already exist
public void checkPowerOff()
DataHandler
checkPowerOff
in interface DataHandler
public void checkWritingAllowed()
DataHandler
checkWritingAllowed
in interface DataHandler
public int getMaxLengthInplaceLob()
DataHandler
getMaxLengthInplaceLob
in interface DataHandler
public TempFileDeleter getTempFileDeleter()
DataHandler
getTempFileDeleter
in interface DataHandler
public java.lang.String getLobCompressionAlgorithm(int type)
DataHandler
getLobCompressionAlgorithm
in interface DataHandler
type
- the data type (CLOB or BLOB)
public void setCompressionAlgorithm(java.lang.String algorithm)
public java.lang.Object getLobSyncObject()
DataHandler
getLobSyncObject
in interface DataHandler
public SmallLRUCache<java.lang.String,java.lang.String[]> getLobFileListCache()
DataHandler
getLobFileListCache
in interface DataHandler
public LobStorageBackend getLobStorage()
DataHandler
getLobStorage
in interface DataHandler
public int readLob(long lobId, byte[] hmac, long offset, byte[] buff, int off, int length)
DataHandler
readLob
in interface DataHandler
lobId
- the lob idhmac
- the message authentication codeoffset
- the offset within the lobbuff
- the target bufferoff
- the offset within the target bufferlength
- the number of bytes to read
public JavaObjectSerializer getJavaObjectSerializer()
DataHandler
getJavaObjectSerializer
in interface DataHandler
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