Base class for aggregators. More...

#include <aggregate.h>

Public Member Functions
virtual Status	Update (const StructLike &data)=0

virtual Status	Update (const DataFile &file)=0

virtual bool	IsValid () const =0
	Whether the aggregator is still valid.

virtual Literal	GetResult () const =0
	Get the result of the aggregation.

Detailed Description

Base class for aggregators.

Member Function Documentation

virtual Literal iceberg::BoundAggregate::Aggregator::GetResult ( ) const

pure virtual

Get the result of the aggregation.

Note: It is an undefined behavior to call this method if any previous Update call has returned an error or if IsValid() returns false.

The documentation for this class was generated from the following file: