impala::ReservoirSample< T > Struct Template Reference

Collaboration diagram for impala::ReservoirSample< T >:

Public Member Functions
	ReservoirSample ()
	ReservoirSample (const T &val)
T	GetValue (FunctionContext *ctx)

Public Attributes
T	val
double	key

Detailed Description

template<typename T>
struct impala::ReservoirSample< T >

Definition at line 735 of file aggregate-functions.cc.

Constructor & Destructor Documentation

template<typename T>

impala::ReservoirSample< T >::ReservoirSample ( )

inline

Definition at line 741 of file aggregate-functions.cc.

template<typename T>

impala::ReservoirSample< T >::ReservoirSample ( const T &  val )

inline

Definition at line 742 of file aggregate-functions.cc.

Member Function Documentation

template<typename T>

T impala::ReservoirSample< T >::GetValue ( FunctionContext *  ctx )

inline

Definition at line 745 of file aggregate-functions.cc.

References impala::ReservoirSample< T >::val.

Member Data Documentation

template<typename T>

double impala::ReservoirSample< T >::key

Definition at line 739 of file aggregate-functions.cc.

Referenced by impala::SampleKeyGreater().

template<typename T>

T impala::ReservoirSample< T >::val

Definition at line 737 of file aggregate-functions.cc.

Referenced by impala::ReservoirSample< T >::GetValue(), impala::ReservoirSample< StringVal >::GetValue(), impala::PrintSample(), impala::ReservoirSample< StringVal >::ReservoirSample(), and impala::SampleValLess().

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

• be/src/exprs/aggregate-functions.cc