35 typedef struct Reducer {  struct
58   void *(*NewInstance)(struct Reducer *r);  argument
67   int (*Add)(struct Reducer *parent, void *instance, const RLookupRow *srcrow);  argument
73   RSValue *(*Finalize)(struct Reducer *parent, void *instance);  argument
76   void (*FreeInstance)(struct Reducer *parent, void *instance);  argument
81   void (*Free)(struct Reducer *r);  argument
83 } Reducer;  typedef
85 static inline void Reducer_GenericFree(Reducer *r) {  in Reducer_GenericFree()
141 void *Reducer_BlkAlloc(Reducer *r, size_t elemsz, size_t absBlkSize);
143 Reducer *RDCRCount_New(const ReducerOptions *);
144 Reducer *RDCRSum_New(const ReducerOptions *);
145 Reducer *RDCRToList_New(const ReducerOptions *);
146 Reducer *RDCRMin_New(const ReducerOptions *);
147 Reducer *RDCRMax_New(const ReducerOptions *);
148 Reducer *RDCRAvg_New(const ReducerOptions *);
149 Reducer *RDCRCountDistinct_New(const ReducerOptions *);
150 Reducer *RDCRCountDistinctish_New(const ReducerOptions *);
151 Reducer *RDCRQuantile_New(const ReducerOptions *);
152 Reducer *RDCRStdDev_New(const ReducerOptions *);
153 Reducer *RDCRFirstValue_New(const ReducerOptions *);
154 Reducer *RDCRRandomSample_New(const ReducerOptions *);
155 Reducer *RDCRHLL_New(const ReducerOptions *);
156 Reducer *RDCRHLLSum_New(const ReducerOptions *);
158 typedef Reducer *(*ReducerFactory)(const ReducerOptions *);