OrAgg Struct Reference

Aggregator implementing boolean OR (returns true if any input is true). More...

Inheritance diagram for OrAgg:

Collaboration diagram for OrAgg:

Public Member Functions
	OrAgg ()
void	add (const AggValue &x) override
	Incorporate one input value into the running aggregate.
AggregationOperator	op () const override
	Return the aggregation operator this accumulator implements.
Public Member Functions inherited from StandardAgg< bool >
AggValue	finalize () const override
	Return the accumulated value, or NULL if no inputs were seen.
ValueType	inputType () const override
	Return the value type corresponding to T.
Public Member Functions inherited from Aggregator
virtual	~Aggregator ()=default
virtual ValueType	resultType () const
	Return the type of the value returned by finalize().

Additional Inherited Members
Protected Attributes inherited from StandardAgg< bool >
bool	value
	Current accumulated value.
bool	has
	true once the first non-NULL input has been seen

Detailed Description

Aggregator implementing boolean OR (returns true if any input is true).

Definition at line 192 of file Aggregation.cpp.

Constructor & Destructor Documentation

OrAgg()

OrAgg::OrAgg ( )

inline

Definition at line 193 of file Aggregation.cpp.

Member Function Documentation

add()

void OrAgg::add ( const AggValue &  x )

inlineoverridevirtual

Incorporate one input value into the running aggregate.

Parameters

x	Input value to add.

Implements Aggregator.

Definition at line 197 of file Aggregation.cpp.

Here is the call graph for this function:

op()

AggregationOperator OrAgg::op ( ) const

inlineoverridevirtual

Return the aggregation operator this accumulator implements.

Returns

The AggregationOperator enum value for this accumulator.

Implements Aggregator.

Definition at line 203 of file Aggregation.cpp.

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

• /home/pierre/git/software/provsql/src/Aggregation.cpp