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- /*-------------------------------------------------------------------------
- *
- * index_selfuncs.h
- * Index cost estimation functions for standard index access methods.
- *
- *
- * Note: this is split out of selfuncs.h mainly to avoid importing all of the
- * planner's data structures into the non-planner parts of the index AMs.
- * If you make it depend on anything besides access/amapi.h, that's likely
- * a mistake.
- *
- * Portions Copyright (c) 1996-2022, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- * src/include/utils/index_selfuncs.h
- *
- *-------------------------------------------------------------------------
- */
- #ifndef INDEX_SELFUNCS_H
- #define INDEX_SELFUNCS_H
- #include "access/amapi.h"
- /* Functions in selfuncs.c */
- extern void brincostestimate(struct PlannerInfo *root,
- struct IndexPath *path,
- double loop_count,
- Cost *indexStartupCost,
- Cost *indexTotalCost,
- Selectivity *indexSelectivity,
- double *indexCorrelation,
- double *indexPages);
- extern void btcostestimate(struct PlannerInfo *root,
- struct IndexPath *path,
- double loop_count,
- Cost *indexStartupCost,
- Cost *indexTotalCost,
- Selectivity *indexSelectivity,
- double *indexCorrelation,
- double *indexPages);
- extern void hashcostestimate(struct PlannerInfo *root,
- struct IndexPath *path,
- double loop_count,
- Cost *indexStartupCost,
- Cost *indexTotalCost,
- Selectivity *indexSelectivity,
- double *indexCorrelation,
- double *indexPages);
- extern void gistcostestimate(struct PlannerInfo *root,
- struct IndexPath *path,
- double loop_count,
- Cost *indexStartupCost,
- Cost *indexTotalCost,
- Selectivity *indexSelectivity,
- double *indexCorrelation,
- double *indexPages);
- extern void spgcostestimate(struct PlannerInfo *root,
- struct IndexPath *path,
- double loop_count,
- Cost *indexStartupCost,
- Cost *indexTotalCost,
- Selectivity *indexSelectivity,
- double *indexCorrelation,
- double *indexPages);
- extern void gincostestimate(struct PlannerInfo *root,
- struct IndexPath *path,
- double loop_count,
- Cost *indexStartupCost,
- Cost *indexTotalCost,
- Selectivity *indexSelectivity,
- double *indexCorrelation,
- double *indexPages);
- #endif /* INDEX_SELFUNCS_H */
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