org.h2.engine

Class UserAggregate

java.lang.Object

org.h2.engine.DbObjectBase

org.h2.engine.UserAggregate

All Implemented Interfaces:

DbObject

public class UserAggregate
extends DbObjectBase

Represents a user-defined aggregate function.

Field Summary

Fields inherited from class org.h2.engine.DbObjectBase

comment, database, trace

Fields inherited from interface org.h2.engine.DbObject

AGGREGATE, COMMENT, CONSTANT, CONSTRAINT, FUNCTION_ALIAS, INDEX, RIGHT, ROLE, SCHEMA, SEQUENCE, SETTING, TABLE_OR_VIEW, TRIGGER, USER, USER_DATATYPE

Constructor Summary

Constructors

Constructor and Description
UserAggregate(Database db, int id, String name, String className, boolean force)

Method Summary

Methods

Modifier and Type	Method and Description
void	checkRename() Check if this object can be renamed.
String	getCreateSQL() Build a SQL statement to re-create this object.
String	getCreateSQLForCopy(Table table, String quotedName) Build a SQL statement to re-create the object, or to create a copy of the object with a different name or referencing a different table
String	getDropSQL() Build a SQL statement to drop this object.
AggregateFunction	getInstance()
String	getJavaClassName()
int	getType() Get the object type.
void	removeChildrenAndResources(Session session) Remove all dependent objects and free all resources (files, blocks in files) of this object.

Methods inherited from class org.h2.engine.DbObjectBase

getChildren, getComment, getDatabase, getId, getModificationId, getName, getSQL, initDbObjectBase, invalidate, isTemporary, rename, setComment, setModified, setObjectName, setTemporary, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

UserAggregate

public UserAggregate(Database db,
             int id,
             String name,
             String className,
             boolean force)

Method Detail

getInstance

public AggregateFunction getInstance()

getCreateSQLForCopy

public String getCreateSQLForCopy(Table table,
                         String quotedName)

Description copied from interface: DbObject

Build a SQL statement to re-create the object, or to create a copy of the object with a different name or referencing a different table

Parameters:

table - the new table

quotedName - the quoted name

Returns:

the SQL statement

getDropSQL

public String getDropSQL()

Description copied from class: DbObjectBase

Build a SQL statement to drop this object.

Specified by:

getDropSQL in interface DbObject

Specified by:

getDropSQL in class DbObjectBase

Returns:

the SQL statement

getCreateSQL

public String getCreateSQL()

Description copied from class: DbObjectBase

Build a SQL statement to re-create this object.

Specified by:

getCreateSQL in interface DbObject

Specified by:

getCreateSQL in class DbObjectBase

Returns:

the SQL statement

getType

public int getType()

Description copied from interface: DbObject

Get the object type.

Returns:

the object type

removeChildrenAndResources

public void removeChildrenAndResources(Session session)

Description copied from class: DbObjectBase

Remove all dependent objects and free all resources (files, blocks in files) of this object.

Specified by:

removeChildrenAndResources in interface DbObject

Specified by:

removeChildrenAndResources in class DbObjectBase

Parameters:

session - the session

checkRename

public void checkRename()

Description copied from class: DbObjectBase

Check if this object can be renamed. System objects may not be renamed.

Specified by:

checkRename in interface DbObject

Specified by:

checkRename in class DbObjectBase

getJavaClassName

public String getJavaClassName()