diff options
Diffstat (limited to 'src/include/optimizer/paths.h')
| -rw-r--r-- | src/include/optimizer/paths.h | 92 |
1 files changed, 50 insertions, 42 deletions
diff --git a/src/include/optimizer/paths.h b/src/include/optimizer/paths.h index 9f76e65ce51..841c4983311 100644 --- a/src/include/optimizer/paths.h +++ b/src/include/optimizer/paths.h @@ -1,89 +1,97 @@ /*------------------------------------------------------------------------- * * paths.h-- - * prototypes for various files in optimizer/paths (were separate - * header files + * prototypes for various files in optimizer/paths (were separate + * header files * * * Copyright (c) 1994, Regents of the University of California * - * $Id: paths.h,v 1.1 1996/08/28 07:23:19 scrappy Exp $ + * $Id: paths.h,v 1.2 1997/09/07 04:59:13 momjian Exp $ * *------------------------------------------------------------------------- */ -#ifndef PATHS_H -#define PATHS_H +#ifndef PATHS_H +#define PATHS_H /* * allpaths.h */ -extern List *find_paths(Query *root, List *rels); +extern List *find_paths(Query * root, List * rels); /* * indxpath.h - * routines to generate index paths + * routines to generate index paths */ -extern List *find_index_paths(Query *root, Rel *rel, List *indices, - List *clauseinfo_list, - List *joininfo_list); +extern List * +find_index_paths(Query * root, Rel * rel, List * indices, + List * clauseinfo_list, + List * joininfo_list); /* * joinpath.h - * routines to create join paths + * routines to create join paths */ -extern void find_all_join_paths(Query *root, List *joinrels); - +extern void find_all_join_paths(Query * root, List * joinrels); + /* * orindxpath.h */ -extern List *create_or_index_paths(Query *root, Rel *rel, List *clauses); +extern List *create_or_index_paths(Query * root, Rel * rel, List * clauses); /* * hashutils.h - * routines to deal with hash keys and clauses + * routines to deal with hash keys and clauses */ -extern List *group_clauses_by_hashop(List *clauseinfo_list, - int inner_relid); +extern List * +group_clauses_by_hashop(List * clauseinfo_list, + int inner_relid); /* * joinutils.h - * generic join method key/clause routines + * generic join method key/clause routines */ -extern List *match_pathkeys_joinkeys(List *pathkeys, - List *joinkeys, List *joinclauses, int which_subkey, - List **matchedJoinClausesPtr); -extern List *extract_path_keys(List *joinkeys, List *tlist, - int which_subkey); -extern Path *match_paths_joinkeys(List *joinkeys, PathOrder *ordering, - List *paths, int which_subkey); -extern List *new_join_pathkeys(List *outer_pathkeys, - List *join_rel_tlist, List *joinclauses); +extern List * +match_pathkeys_joinkeys(List * pathkeys, + List * joinkeys, List * joinclauses, int which_subkey, + List ** matchedJoinClausesPtr); +extern List * +extract_path_keys(List * joinkeys, List * tlist, + int which_subkey); +extern Path * +match_paths_joinkeys(List * joinkeys, PathOrder * ordering, + List * paths, int which_subkey); +extern List * +new_join_pathkeys(List * outer_pathkeys, + List * join_rel_tlist, List * joinclauses); /* * mergeutils.h - * routines to deal with merge keys and clauses + * routines to deal with merge keys and clauses */ -extern List *group_clauses_by_order(List *clauseinfo_list, - int inner_relid); -extern MInfo *match_order_mergeinfo(PathOrder *ordering, - List *mergeinfo_list); +extern List * +group_clauses_by_order(List * clauseinfo_list, + int inner_relid); +extern MInfo * +match_order_mergeinfo(PathOrder * ordering, + List * mergeinfo_list); /* * joinrels.h - * routines to determine which relations to join + * routines to determine which relations to join */ -extern List *find_join_rels(Query *root, List *outer_rels); -extern void add_new_joininfos(Query *root, List *joinrels, List *outerrels); -extern List *final_join_rels(List *join_rel_list); +extern List *find_join_rels(Query * root, List * outer_rels); +extern void add_new_joininfos(Query * root, List * joinrels, List * outerrels); +extern List *final_join_rels(List * join_rel_list); /* * prototypes for path/prune.c */ -extern List *prune_joinrels(List *rel_list); -extern void prune_rel_paths(List *rel_list); -extern Path *prune_rel_path(Rel *rel, Path *unorderedpath); -extern List *merge_joinrels(List *rel_list1, List *rel_list2); -extern List *prune_oldrels(List *old_rels); +extern List *prune_joinrels(List * rel_list); +extern void prune_rel_paths(List * rel_list); +extern Path *prune_rel_path(Rel * rel, Path * unorderedpath); +extern List *merge_joinrels(List * rel_list1, List * rel_list2); +extern List *prune_oldrels(List * old_rels); -#endif /* PATHS_H */ +#endif /* PATHS_H */ |