Package org.h2.expression.aggregate
Class AggregateDataEnvelope
- java.lang.Object
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- org.h2.expression.aggregate.AggregateData
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- org.h2.expression.aggregate.AggregateDataEnvelope
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final class AggregateDataEnvelope extends AggregateData
Data stored while calculating an aggregate.
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Field Summary
Fields Modifier and Type Field Description private double[]
envelope
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Constructor Summary
Constructors Constructor Description AggregateDataEnvelope()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods 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.
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Method Detail
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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
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add
void add(SessionLocal session, Value v)
Description copied from class:AggregateData
Add a value to this aggregate.- Specified by:
add
in classAggregateData
- Parameters:
session
- the sessionv
- the value
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getValue
Value getValue(SessionLocal session)
Description copied from class:AggregateData
Get the aggregate result.- Specified by:
getValue
in classAggregateData
- Parameters:
session
- the session- Returns:
- the value
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