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-rw-r--r--src/backend/utils/adt/selfuncs.c98
1 files changed, 29 insertions, 69 deletions
diff --git a/src/backend/utils/adt/selfuncs.c b/src/backend/utils/adt/selfuncs.c
index ebb03aae475..46c95b089ed 100644
--- a/src/backend/utils/adt/selfuncs.c
+++ b/src/backend/utils/adt/selfuncs.c
@@ -7,8 +7,8 @@
* Selectivity routines are registered in the pg_operator catalog
* in the "oprrest" and "oprjoin" attributes.
*
- * Index cost functions are registered in the pg_am catalog
- * in the "amcostestimate" attribute.
+ * Index cost functions are located via the index AM's API struct,
+ * which is obtained from the handler function registered in pg_am.
*
* Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
@@ -104,6 +104,7 @@
#include "access/htup_details.h"
#include "access/sysattr.h"
#include "catalog/index.h"
+#include "catalog/pg_am.h"
#include "catalog/pg_collation.h"
#include "catalog/pg_operator.h"
#include "catalog/pg_opfamily.h"
@@ -129,6 +130,7 @@
#include "utils/date.h"
#include "utils/datum.h"
#include "utils/fmgroids.h"
+#include "utils/index_selfuncs.h"
#include "utils/lsyscache.h"
#include "utils/nabstime.h"
#include "utils/pg_locale.h"
@@ -6443,16 +6445,11 @@ add_predicate_to_quals(IndexOptInfo *index, List *indexQuals)
}
-Datum
-btcostestimate(PG_FUNCTION_ARGS)
+void
+btcostestimate(PlannerInfo *root, IndexPath *path, double loop_count,
+ Cost *indexStartupCost, Cost *indexTotalCost,
+ Selectivity *indexSelectivity, double *indexCorrelation)
{
- PlannerInfo *root = (PlannerInfo *) PG_GETARG_POINTER(0);
- IndexPath *path = (IndexPath *) PG_GETARG_POINTER(1);
- double loop_count = PG_GETARG_FLOAT8(2);
- Cost *indexStartupCost = (Cost *) PG_GETARG_POINTER(3);
- Cost *indexTotalCost = (Cost *) PG_GETARG_POINTER(4);
- Selectivity *indexSelectivity = (Selectivity *) PG_GETARG_POINTER(5);
- double *indexCorrelation = (double *) PG_GETARG_POINTER(6);
IndexOptInfo *index = path->indexinfo;
List *qinfos;
GenericCosts costs;
@@ -6741,20 +6738,13 @@ btcostestimate(PG_FUNCTION_ARGS)
*indexTotalCost = costs.indexTotalCost;
*indexSelectivity = costs.indexSelectivity;
*indexCorrelation = costs.indexCorrelation;
-
- PG_RETURN_VOID();
}
-Datum
-hashcostestimate(PG_FUNCTION_ARGS)
+void
+hashcostestimate(PlannerInfo *root, IndexPath *path, double loop_count,
+ Cost *indexStartupCost, Cost *indexTotalCost,
+ Selectivity *indexSelectivity, double *indexCorrelation)
{
- PlannerInfo *root = (PlannerInfo *) PG_GETARG_POINTER(0);
- IndexPath *path = (IndexPath *) PG_GETARG_POINTER(1);
- double loop_count = PG_GETARG_FLOAT8(2);
- Cost *indexStartupCost = (Cost *) PG_GETARG_POINTER(3);
- Cost *indexTotalCost = (Cost *) PG_GETARG_POINTER(4);
- Selectivity *indexSelectivity = (Selectivity *) PG_GETARG_POINTER(5);
- double *indexCorrelation = (double *) PG_GETARG_POINTER(6);
List *qinfos;
GenericCosts costs;
@@ -6794,20 +6784,13 @@ hashcostestimate(PG_FUNCTION_ARGS)
*indexTotalCost = costs.indexTotalCost;
*indexSelectivity = costs.indexSelectivity;
*indexCorrelation = costs.indexCorrelation;
-
- PG_RETURN_VOID();
}
-Datum
-gistcostestimate(PG_FUNCTION_ARGS)
+void
+gistcostestimate(PlannerInfo *root, IndexPath *path, double loop_count,
+ Cost *indexStartupCost, Cost *indexTotalCost,
+ Selectivity *indexSelectivity, double *indexCorrelation)
{
- PlannerInfo *root = (PlannerInfo *) PG_GETARG_POINTER(0);
- IndexPath *path = (IndexPath *) PG_GETARG_POINTER(1);
- double loop_count = PG_GETARG_FLOAT8(2);
- Cost *indexStartupCost = (Cost *) PG_GETARG_POINTER(3);
- Cost *indexTotalCost = (Cost *) PG_GETARG_POINTER(4);
- Selectivity *indexSelectivity = (Selectivity *) PG_GETARG_POINTER(5);
- double *indexCorrelation = (double *) PG_GETARG_POINTER(6);
IndexOptInfo *index = path->indexinfo;
List *qinfos;
GenericCosts costs;
@@ -6860,20 +6843,13 @@ gistcostestimate(PG_FUNCTION_ARGS)
*indexTotalCost = costs.indexTotalCost;
*indexSelectivity = costs.indexSelectivity;
*indexCorrelation = costs.indexCorrelation;
-
- PG_RETURN_VOID();
}
-Datum
-spgcostestimate(PG_FUNCTION_ARGS)
+void
+spgcostestimate(PlannerInfo *root, IndexPath *path, double loop_count,
+ Cost *indexStartupCost, Cost *indexTotalCost,
+ Selectivity *indexSelectivity, double *indexCorrelation)
{
- PlannerInfo *root = (PlannerInfo *) PG_GETARG_POINTER(0);
- IndexPath *path = (IndexPath *) PG_GETARG_POINTER(1);
- double loop_count = PG_GETARG_FLOAT8(2);
- Cost *indexStartupCost = (Cost *) PG_GETARG_POINTER(3);
- Cost *indexTotalCost = (Cost *) PG_GETARG_POINTER(4);
- Selectivity *indexSelectivity = (Selectivity *) PG_GETARG_POINTER(5);
- double *indexCorrelation = (double *) PG_GETARG_POINTER(6);
IndexOptInfo *index = path->indexinfo;
List *qinfos;
GenericCosts costs;
@@ -6926,8 +6902,6 @@ spgcostestimate(PG_FUNCTION_ARGS)
*indexTotalCost = costs.indexTotalCost;
*indexSelectivity = costs.indexSelectivity;
*indexCorrelation = costs.indexCorrelation;
-
- PG_RETURN_VOID();
}
@@ -7222,16 +7196,11 @@ gincost_scalararrayopexpr(PlannerInfo *root,
/*
* GIN has search behavior completely different from other index types
*/
-Datum
-gincostestimate(PG_FUNCTION_ARGS)
+void
+gincostestimate(PlannerInfo *root, IndexPath *path, double loop_count,
+ Cost *indexStartupCost, Cost *indexTotalCost,
+ Selectivity *indexSelectivity, double *indexCorrelation)
{
- PlannerInfo *root = (PlannerInfo *) PG_GETARG_POINTER(0);
- IndexPath *path = (IndexPath *) PG_GETARG_POINTER(1);
- double loop_count = PG_GETARG_FLOAT8(2);
- Cost *indexStartupCost = (Cost *) PG_GETARG_POINTER(3);
- Cost *indexTotalCost = (Cost *) PG_GETARG_POINTER(4);
- Selectivity *indexSelectivity = (Selectivity *) PG_GETARG_POINTER(5);
- double *indexCorrelation = (double *) PG_GETARG_POINTER(6);
IndexOptInfo *index = path->indexinfo;
List *indexQuals = path->indexquals;
List *indexOrderBys = path->indexorderbys;
@@ -7418,7 +7387,7 @@ gincostestimate(PG_FUNCTION_ARGS)
*indexStartupCost = 0;
*indexTotalCost = 0;
*indexSelectivity = 0;
- PG_RETURN_VOID();
+ return;
}
if (counts.haveFullScan || indexQuals == NIL)
@@ -7545,23 +7514,16 @@ gincostestimate(PG_FUNCTION_ARGS)
*indexStartupCost += qual_arg_cost;
*indexTotalCost += qual_arg_cost;
*indexTotalCost += (numTuples * *indexSelectivity) * (cpu_index_tuple_cost + qual_op_cost);
-
- PG_RETURN_VOID();
}
/*
* BRIN has search behavior completely different from other index types
*/
-Datum
-brincostestimate(PG_FUNCTION_ARGS)
+void
+brincostestimate(PlannerInfo *root, IndexPath *path, double loop_count,
+ Cost *indexStartupCost, Cost *indexTotalCost,
+ Selectivity *indexSelectivity, double *indexCorrelation)
{
- PlannerInfo *root = (PlannerInfo *) PG_GETARG_POINTER(0);
- IndexPath *path = (IndexPath *) PG_GETARG_POINTER(1);
- double loop_count = PG_GETARG_FLOAT8(2);
- Cost *indexStartupCost = (Cost *) PG_GETARG_POINTER(3);
- Cost *indexTotalCost = (Cost *) PG_GETARG_POINTER(4);
- Selectivity *indexSelectivity = (Selectivity *) PG_GETARG_POINTER(5);
- double *indexCorrelation = (double *) PG_GETARG_POINTER(6);
IndexOptInfo *index = path->indexinfo;
List *indexQuals = path->indexquals;
List *indexOrderBys = path->indexorderbys;
@@ -7614,6 +7576,4 @@ brincostestimate(PG_FUNCTION_ARGS)
*indexTotalCost += (numTuples * *indexSelectivity) * (cpu_index_tuple_cost + qual_op_cost);
/* XXX what about pages_per_range? */
-
- PG_RETURN_VOID();
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-01 20:32:33 +0000