diff options
Diffstat (limited to 'src/include/optimizer/cost.h')
| -rw-r--r-- | src/include/optimizer/cost.h | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/src/include/optimizer/cost.h b/src/include/optimizer/cost.h index a0ab3a59466..8402e7a2651 100644 --- a/src/include/optimizer/cost.h +++ b/src/include/optimizer/cost.h @@ -6,7 +6,7 @@ * * Copyright (c) 1994, Regents of the University of California * - * $Id: cost.h,v 1.4 1997/09/08 02:37:40 momjian Exp $ + * $Id: cost.h,v 1.5 1997/09/08 21:53:09 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -26,37 +26,37 @@ extern bool _enable_mergesort_; extern bool _enable_hashjoin_; extern Cost cost_seqscan(int relid, int relpages, int reltuples); -extern Cost +extern Cost cost_index(Oid indexid, int expected_indexpages, Cost selec, int relpages, int reltuples, int indexpages, int indextuples, bool is_injoin); -extern Cost cost_sort(List * keys, int tuples, int width, bool noread); -extern Cost +extern Cost cost_sort(List *keys, int tuples, int width, bool noread); +extern Cost cost_nestloop(Cost outercost, Cost innercost, int outertuples, int innertuples, int outerpages, bool is_indexjoin); -extern Cost +extern Cost cost_mergesort(Cost outercost, Cost innercost, - List * outersortkeys, List * innersortkeys, + List *outersortkeys, List *innersortkeys, int outersize, int innersize, int outerwidth, int innerwidth); -extern Cost -cost_hashjoin(Cost outercost, Cost innercost, List * outerkeys, - List * innerkeys, int outersize, int innersize, +extern Cost +cost_hashjoin(Cost outercost, Cost innercost, List *outerkeys, + List *innerkeys, int outersize, int innersize, int outerwidth, int innerwidth); -extern int compute_rel_size(Rel * rel); -extern int compute_rel_width(Rel * rel); -extern int compute_joinrel_size(JoinPath * joinpath); +extern int compute_rel_size(Rel *rel); +extern int compute_rel_width(Rel *rel); +extern int compute_joinrel_size(JoinPath *joinpath); extern int page_size(int tuples, int width); /* * prototypes for fuctions in clausesel.h-- * routines to compute clause selectivities */ -extern void set_clause_selectivities(List * clauseinfo_list, Cost new_selectivity); -extern Cost product_selec(List * clauseinfo_list); -extern void set_rest_relselec(Query * root, List * rel_list); -extern void set_rest_selec(Query * root, List * clauseinfo_list); -extern Cost -compute_clause_selec(Query * root, - Node * clause, List * or_selectivities); +extern void set_clause_selectivities(List *clauseinfo_list, Cost new_selectivity); +extern Cost product_selec(List *clauseinfo_list); +extern void set_rest_relselec(Query *root, List *rel_list); +extern void set_rest_selec(Query *root, List *clauseinfo_list); +extern Cost +compute_clause_selec(Query *root, + Node *clause, List *or_selectivities); #endif /* COST_H */ |