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Public Member Functions | Public Attributes | List of all members
impala::ReservoirSample< StringVal > Struct Template Reference
Collaboration diagram for impala::ReservoirSample< StringVal >:

Public Member Functions

 ReservoirSample ()
 
 ReservoirSample (const StringVal &string_val)
 
StringVal GetValue (FunctionContext *ctx)
 

Public Attributes

uint8_t val [MAX_STRING_SAMPLE_LEN]
 
int len
 
double key
 

Detailed Description

template<>
struct impala::ReservoirSample< StringVal >

Definition at line 751 of file aggregate-functions.cc.

Constructor & Destructor Documentation

impala::ReservoirSample< StringVal >::ReservoirSample ( )
inline

Definition at line 756 of file aggregate-functions.cc.

impala::ReservoirSample< StringVal >::ReservoirSample ( const StringVal &  string_val)
inline

Definition at line 758 of file aggregate-functions.cc.

References impala_udf::StringVal::len, impala::MAX_STRING_SAMPLE_LEN, impala_udf::StringVal::ptr, and impala::ReservoirSample< T >::val.

Member Function Documentation

StringVal impala::ReservoirSample< StringVal >::GetValue ( FunctionContext *  ctx)
inline

Definition at line 764 of file aggregate-functions.cc.

References impala_udf::StringVal::ptr, and impala::ReservoirSample< T >::val.

Member Data Documentation

double impala::ReservoirSample< StringVal >::key

Definition at line 754 of file aggregate-functions.cc.

int impala::ReservoirSample< StringVal >::len

Definition at line 753 of file aggregate-functions.cc.

Referenced by impala::PrintSample(), and impala::SampleValLess().

uint8_t impala::ReservoirSample< StringVal >::val[MAX_STRING_SAMPLE_LEN]

Definition at line 752 of file aggregate-functions.cc.

Referenced by impala::PrintSample(), and impala::SampleValLess().

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