Class DefineCommand

java.lang.Object

org.h2.command.Prepared

org.h2.command.ddl.DefineCommand

Direct Known Subclasses:

AlterIndexRename, AlterSchemaRename, AlterUser, AlterView, Analyze, CreateRole, CreateSchema, CreateUser, DeallocateProcedure, DropDatabase, DropRole, DropSchema, DropTable, DropUser, GrantRevoke, PrepareProcedure, SchemaCommand, SetComment, TruncateTable

public abstract class DefineCommand
extends Prepared

This class represents a non-transaction statement, for example a CREATE or DROP.

Field Summary

Fields

Modifier and Type	Field	Description
protected boolean	transactional	The transactional behavior.

Fields inherited from class Prepared

create, parameters, prepareAlways, session, sqlStatement, sqlTokens

Constructor Summary

Constructors

Constructor	Description
DefineCommand(SessionLocal session)	Create a new command for the given session.

Method Summary

Modifier and Type	Method	Description
boolean	isReadOnly()	Check if this command is read only.
boolean	isTransactional()	Check if this command is transactional.
ResultInterface	queryMeta()	Get an empty result set containing the meta data.
void	setTransactional(boolean transactional)

Methods inherited from class Prepared

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

Methods inherited from class Object

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

Field Details

transactional

protected boolean transactional

The transactional behavior. The default is disabled, meaning the command commits an open transaction.

Constructor Details

DefineCommand

DefineCommand(SessionLocal session)

Create a new command for the given session.

Parameters:

session - the session

Method Details

isReadOnly

public boolean isReadOnly()

Description copied from class: Prepared

Check if this command is read only.

Overrides:

isReadOnly in class Prepared

Returns:

true if it is

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

setTransactional

public void setTransactional(boolean transactional)

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