Class AggregateDataEnvelope

java.lang.Object

org.h2.expression.aggregate.AggregateData

org.h2.expression.aggregate.AggregateDataEnvelope

final class AggregateDataEnvelope
extends AggregateData

Data stored while calculating an aggregate.

Field Summary

Fields

Modifier and Type	Field	Description
private double[]	envelope

Constructor Summary

Constructors

Constructor	Description
AggregateDataEnvelope()

Method Summary

Modifier and Type	Method	Description
(package private) void	add(SessionLocal session, Value v)	Add a value to this aggregate.
(package private) static Index	getGeometryColumnIndex(Expression on)	Get the index (if any) for the column specified in the geometry aggregate.
(package private) Value	getValue(SessionLocal session)	Get the aggregate result.

Methods inherited from class Object

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

Field Details

envelope

private double[] envelope

Constructor Details

AggregateDataEnvelope

AggregateDataEnvelope()

Method Details

getGeometryColumnIndex

static Index getGeometryColumnIndex(Expression on)

Get the index (if any) for the column specified in the geometry aggregate.

Parameters:

on - the expression (usually a column expression)

Returns:

the index, or null

add

void add(SessionLocal session,
 Value v)

Description copied from class: AggregateData

Add a value to this aggregate.

Specified by:

add in class AggregateData

Parameters:

session - the session

v - the value

getValue

Value getValue(SessionLocal session)

Description copied from class: AggregateData

Get the aggregate result.

Specified by:

getValue in class AggregateData

Parameters:

session - the session

Returns:

the value