Package org.h2.command.dml

Class ScriptCommand

java.lang.Object

org.h2.command.Prepared

org.h2.command.dml.ScriptCommand

public class ScriptCommand
extends Prepared

This class represents the statement SCRIPT

Field Summary

Fields

Modifier and Type	Field	Description
protected java.io.OutputStream	out	The output stream.
protected java.io.BufferedReader	reader	The input reader.

Fields inherited from class org.h2.command.Prepared

create, parameters, prepareAlways, session, sqlStatement, sqlTokens

Constructor Summary

Constructors

Constructor	Description
ScriptCommand(SessionLocal session)

Method Summary

Modifier and Type	Method	Description
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.
protected java.lang.String	getFileName()
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.
ResultInterface	query(long maxrows)	Execute the query.
ResultInterface	queryMeta()	Get an empty result set containing the metadata.
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)
void	setVersion(boolean version)
void	setWithColumns(boolean withColumns)

Methods inherited from class org.h2.command.Prepared

checkCanceled, checkParameters, collectDependencies, getCurrentRowNumber, getDatabase, getObjectId, getParameters, getPersistedObjectId, getPlanSQL, getPlanSQL, getSession, getSimpleSQL, getSQL, getSQLTokens, invalidateCachedResult, isCacheable, isReadOnly, isRetryable, isWithParamValues, prepare, setCommand, setCurrentRowNumber, setParameterList, setPersistedObjectId, setPrepareAlways, setRow, setSession, setSQL, setWithParamValues, toString, update

Methods inherited from class java.lang.Object

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

Field Detail

out

protected java.io.OutputStream out

The output stream.

reader

protected java.io.BufferedReader reader

The input reader.

Constructor Detail

ScriptCommand

public ScriptCommand(SessionLocal session)

Method Detail

isQuery

public boolean isQuery()

Description copied from class: Prepared

Check if this object is a query.

Overrides:

isQuery in class Prepared

Returns:

true if it is

setSchemaNames

public void setSchemaNames(java.util.Set<java.lang.String> schemaNames)

setTables

public void setTables(java.util.Collection<Table> tables)

setData

public void setData(boolean data)

setPasswords

public void setPasswords(boolean passwords)

setSettings

public void setSettings(boolean settings)

setLobBlockSize

public void setLobBlockSize(long blockSize)

setDrop

public void setDrop(boolean drop)

queryMeta

public ResultInterface queryMeta()

Description copied from class: Prepared

Get an empty result set containing the metadata.

Specified by:

queryMeta in class Prepared

Returns:

the result set

query

public ResultInterface query(long maxrows)

Description copied from class: Prepared

Execute the query.

Overrides:

query in class Prepared

Parameters:

maxrows - the maximum number of rows to return

Returns:

the result set

combineBlob

public static java.io.InputStream combineBlob(java.sql.Connection conn,
                                              int id)
                                       throws java.sql.SQLException

Combine a BLOB. This method is called from the script. When calling with id -1, the file is deleted.

Parameters:

conn - a connection

id - the lob id

Returns:

a stream for the combined data

Throws:

java.sql.SQLException - on failure

combineClob

public static java.io.Reader combineClob(java.sql.Connection conn,
                                         int id)
                                  throws java.sql.SQLException

Combine a CLOB. This method is called from the script.

Parameters:

conn - a connection

id - the lob id

Returns:

a reader for the combined data

Throws:

java.sql.SQLException - on failure

setSimple

public void setSimple(boolean simple)

setWithColumns

public void setWithColumns(boolean withColumns)

setVersion

public void setVersion(boolean version)

setCharset

public void setCharset(java.nio.charset.Charset charset)

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

setCipher

public void setCipher(java.lang.String c)

setPassword

public void setPassword(Expression password)

setFileNameExpr

public void setFileNameExpr(Expression file)

getFileName

protected java.lang.String getFileName()

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

setCompressionAlgorithm

public void setCompressionAlgorithm(java.lang.String algorithm)