org.h2.command.ddl
Class DefineCommand

java.lang.Object
  org.h2.command.Prepared
      org.h2.command.ddl.DefineCommand

Direct Known Subclasses:

AlterIndexRename, AlterTableRenameColumn, AlterUser, AlterView, Analyze, CreateAggregate, CreateRole, CreateSchema, CreateUser, CreateUserDataType, DeallocateProcedure, DropAggregate, DropDatabase, DropRole, DropSchema, DropUser, DropUserDataType, 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 inherited from class org.h2.command.Prepared

create, parameters, prepareAlways, session, sqlStatement

Constructor Summary

DefineCommand(Session session)
Create a new command for the given session.

Method Summary

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.

Methods inherited from class org.h2.command.Prepared

checkCanceled, checkParameters, getCurrentObjectId, getCurrentRowNumber, getObjectId, getParameters, getPlanSQL, getSQL, getSQL, getSQL, isQuery, needRecompile, prepare, query, setCommand, setCurrentRowNumber, setObjectId, setParameterList, setPrepareAlways, setRow, setSession, setSQL, toString, update

Methods inherited from class java.lang.Object

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

Constructor Detail

DefineCommand

public DefineCommand(Session session)

Create a new command for the given session.

Parameters:

session - the session

Method Detail

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

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