Class UserAggregate

java.lang.Object

org.h2.engine.DbObject

org.h2.schema.SchemaObject

org.h2.schema.UserDefinedFunction

org.h2.schema.UserAggregate

All Implemented Interfaces:

HasSQL

public final class UserAggregate
extends UserDefinedFunction

Represents a user-defined aggregate function.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	UserAggregate.AggregateWrapper	Wrap AggregateFunction in order to behave as Aggregate

Field Summary

Fields

Modifier and Type	Field	Description
private Class<?>	javaClass

Fields inherited from class UserDefinedFunction

className

Fields inherited from class DbObject

AGGREGATE, comment, COMMENT, CONSTANT, CONSTRAINT, database, DOMAIN, FUNCTION_ALIAS, INDEX, RIGHT, ROLE, SCHEMA, SEQUENCE, SETTING, SYNONYM, TABLE_OR_VIEW, trace, TRIGGER, USER

Fields inherited from interface HasSQL

ADD_PLAN_INFORMATION, DEFAULT_SQL_FLAGS, NO_CASTS, QUOTE_ONLY_WHEN_REQUIRED, REPLACE_LOBS_FOR_TRACE, TRACE_SQL_FLAGS

Constructor Summary

Constructors

Constructor	Description
UserAggregate(Schema schema, int id, String name, String className, boolean force)

Method Summary

Modifier and Type	Method	Description
String	getCreateSQL()	Construct the CREATE ...
String	getDropSQL()	Construct a DROP ...
Aggregate	getInstance()
int	getType()	Get the object type.
void	removeChildrenAndResources(SessionLocal session)	Delete all dependent children objects and resources of this object.

Methods inherited from class UserDefinedFunction

checkRename, getCreateSQLForCopy, getJavaClassName

Methods inherited from class SchemaObject

getSchema, getSQL, getSQL, isHidden

Methods inherited from class DbObject

getChildren, getComment, getCreateSQLForMeta, getDatabase, getId, getModificationId, getName, invalidate, isTemporary, isValid, rename, setComment, setModified, setObjectName, setTemporary, toString

Methods inherited from class Object

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

Methods inherited from interface HasSQL

getTraceSQL

Field Details

javaClass

private Class<?> javaClass

Constructor Details

UserAggregate

public UserAggregate(Schema schema,
 int id,
 String name,
 String className,
 boolean force)

Method Details

getInstance

public Aggregate getInstance()

getDropSQL

public String getDropSQL()

Description copied from class: DbObject

Construct a DROP ... SQL statement for this object.

Overrides:

getDropSQL in class DbObject

Returns:

the SQL statement

getCreateSQL

public String getCreateSQL()

Description copied from class: DbObject

Construct the CREATE ... SQL statement for this object.

Specified by:

getCreateSQL in class DbObject

Returns:

the SQL statement

getType

public int getType()

Description copied from class: DbObject

Get the object type.

Specified by:

getType in class DbObject

Returns:

the object type

removeChildrenAndResources

public void removeChildrenAndResources(SessionLocal session)

Description copied from class: DbObject

Delete all dependent children objects and resources of this object.

Specified by:

removeChildrenAndResources in class DbObject

Parameters:

session - the session