public abstract class NumericAggregateFunction extends AggregateFunction
Constructor and Description |
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NumericAggregateFunction(java.lang.String name) |
Modifier and Type | Method and Description |
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boolean |
isCompatibleWith(ColumnType type) |
abstract double |
summarize(Column column) |
java.lang.String |
syntax() |
functionName, on, on, summarize, toString
public abstract double summarize(Column column)
summarize
in class AggregateFunction
public java.lang.String syntax()
syntax
in class AggregateFunction
public boolean isCompatibleWith(ColumnType type)
isCompatibleWith
in class AggregateFunction
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