class CountAggregateDefinition extends java.lang.Object implements AggregateDefinition
Constructor and Description |
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CountAggregateDefinition()
Niladic constructor.
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Modifier and Type | Method and Description |
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DataTypeDescriptor |
getAggregator(DataTypeDescriptor inputType,
java.lang.StringBuffer aggregatorClass)
Determines the result datatype.
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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 V10.13 Internals - Copyright © 2004,2016 The Apache Software Foundation. All Rights Reserved.