diff options
Diffstat (limited to 'src/include/optimizer/cost.h')
| -rw-r--r-- | src/include/optimizer/cost.h | 34 |
1 files changed, 17 insertions, 17 deletions
diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h index e8673675f89..dabfb681756 100644 --- a/src/include/optimizer/cost.h +++ b/src/include/optimizer/cost.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: cost.h,v 1.31 2000/03/22 22:08:30 tgl Exp $ + * $Id: cost.h,v 1.32 2000/04/12 17:16:42 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -20,7 +20,7 @@ /* NB: cost-estimation code should use the variables, not these constants! */ #define DEFAULT_EFFECTIVE_CACHE_SIZE 1000.0 /* measured in pages */ #define DEFAULT_RANDOM_PAGE_COST 4.0 -#define DEFAULT_CPU_TUPLE_COST 0.01 +#define DEFAULT_CPU_TUPLE_COST 0.01 #define DEFAULT_CPU_INDEX_TUPLE_COST 0.001 #define DEFAULT_CPU_OPERATOR_COST 0.0025 @@ -53,36 +53,36 @@ extern bool enable_hashjoin; extern void cost_seqscan(Path *path, RelOptInfo *baserel); extern void cost_index(Path *path, Query *root, - RelOptInfo *baserel, IndexOptInfo *index, - List *indexQuals, bool is_injoin); + RelOptInfo *baserel, IndexOptInfo *index, + List *indexQuals, bool is_injoin); extern void cost_tidscan(Path *path, RelOptInfo *baserel, List *tideval); extern void cost_sort(Path *path, List *pathkeys, double tuples, int width); extern void cost_nestloop(Path *path, Path *outer_path, Path *inner_path, - List *restrictlist); + List *restrictlist); extern void cost_mergejoin(Path *path, Path *outer_path, Path *inner_path, - List *restrictlist, - List *outersortkeys, List *innersortkeys); + List *restrictlist, + List *outersortkeys, List *innersortkeys); extern void cost_hashjoin(Path *path, Path *outer_path, Path *inner_path, - List *restrictlist, Selectivity innerdisbursion); + List *restrictlist, Selectivity innerdisbursion); extern Cost cost_qual_eval(List *quals); extern void set_baserel_size_estimates(Query *root, RelOptInfo *rel); extern void set_joinrel_size_estimates(Query *root, RelOptInfo *rel, - RelOptInfo *outer_rel, - RelOptInfo *inner_rel, - List *restrictlist); + RelOptInfo *outer_rel, + RelOptInfo *inner_rel, + List *restrictlist); /* * prototypes for clausesel.c * routines to compute clause selectivities */ extern Selectivity restrictlist_selectivity(Query *root, - List *restrictinfo_list, - int varRelid); + List *restrictinfo_list, + int varRelid); extern Selectivity clauselist_selectivity(Query *root, - List *clauses, - int varRelid); + List *clauses, + int varRelid); extern Selectivity clause_selectivity(Query *root, - Node *clause, - int varRelid); + Node *clause, + int varRelid); #endif /* COST_H */ |