AggregateDefinition
class CountAggregateDefinition extends java.lang.Object implements AggregateDefinition
Constructor | Description |
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CountAggregateDefinition() |
Niladic constructor.
|
Modifier and Type | Method | Description |
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DataTypeDescriptor |
getAggregator(DataTypeDescriptor inputType,
java.lang.StringBuffer aggregatorClass) |
Determines the result datatype.
|
public CountAggregateDefinition()
public final DataTypeDescriptor getAggregator(DataTypeDescriptor inputType, java.lang.StringBuffer aggregatorClass)
getAggregator
in interface AggregateDefinition
inputType
- the input type, either a user type or a java.lang objectaggregatorClass
- output parameter, filled in
with the class name that implements com.ibm.db2j.aggregates.AggregatorTypeDescriptor
Apache Derby V10.14 Internals - Copyright © 2004,2018 The Apache Software Foundation. All Rights Reserved.