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Diffstat (limited to 'src/include/utils/index_selfuncs.h')
| -rw-r--r-- | src/include/utils/index_selfuncs.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/include/utils/index_selfuncs.h b/src/include/utils/index_selfuncs.h new file mode 100644 index 0000000..1710c1d --- /dev/null +++ b/src/include/utils/index_selfuncs.h @@ -0,0 +1,74 @@ +/*------------------------------------------------------------------------- + * + * 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) 1996-2020, 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 */ |