codekingpro/portable-devtools

1/*-------------------------------------------------------------------------2 *3 * index_selfuncs.h4 *	  Index cost estimation functions for standard index access methods.5 *6 *7 * Note: this is split out of selfuncs.h mainly to avoid importing all of the8 * planner's data structures into the non-planner parts of the index AMs.9 * If you make it depend on anything besides access/amapi.h, that's likely10 * a mistake.11 *12 * Portions Copyright (c) 1996-2023, PostgreSQL Global Development Group13 * Portions Copyright (c) 1994, Regents of the University of California14 *15 * src/include/utils/index_selfuncs.h16 *17 *-------------------------------------------------------------------------18 */19#ifndef INDEX_SELFUNCS_H20#define INDEX_SELFUNCS_H21 22#include "access/amapi.h"23 24/* Functions in selfuncs.c */25extern void brincostestimate(struct PlannerInfo *root,26							 struct IndexPath *path,27							 double loop_count,28							 Cost *indexStartupCost,29							 Cost *indexTotalCost,30							 Selectivity *indexSelectivity,31							 double *indexCorrelation,32							 double *indexPages);33extern void btcostestimate(struct PlannerInfo *root,34						   struct IndexPath *path,35						   double loop_count,36						   Cost *indexStartupCost,37						   Cost *indexTotalCost,38						   Selectivity *indexSelectivity,39						   double *indexCorrelation,40						   double *indexPages);41extern void hashcostestimate(struct PlannerInfo *root,42							 struct IndexPath *path,43							 double loop_count,44							 Cost *indexStartupCost,45							 Cost *indexTotalCost,46							 Selectivity *indexSelectivity,47							 double *indexCorrelation,48							 double *indexPages);49extern void gistcostestimate(struct PlannerInfo *root,50							 struct IndexPath *path,51							 double loop_count,52							 Cost *indexStartupCost,53							 Cost *indexTotalCost,54							 Selectivity *indexSelectivity,55							 double *indexCorrelation,56							 double *indexPages);57extern void spgcostestimate(struct PlannerInfo *root,58							struct IndexPath *path,59							double loop_count,60							Cost *indexStartupCost,61							Cost *indexTotalCost,62							Selectivity *indexSelectivity,63							double *indexCorrelation,64							double *indexPages);65extern void gincostestimate(struct PlannerInfo *root,66							struct IndexPath *path,67							double loop_count,68							Cost *indexStartupCost,69							Cost *indexTotalCost,70							Selectivity *indexSelectivity,71							double *indexCorrelation,72							double *indexPages);73 74#endif							/* INDEX_SELFUNCS_H */75