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public interface AggregateFunction
An aggregate function, which evalutes a collection of
Row
s.
Method Summary | |
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java.lang.Object |
evaluate(RowDecoratorIterator rows)
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Methods inherited from interface org.axiondb.functions.ConcreteFunction |
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isValid |
Methods inherited from interface org.axiondb.Function |
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addArgument, getAlias, getArgument, getArgumentCount, getName, setAlias, setArgument |
Methods inherited from interface org.axiondb.Selectable |
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evaluate, getDataType, getLabel, setVariableContext |
Method Detail |
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java.lang.Object evaluate(RowDecoratorIterator rows) throws AxionException
AxionException
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