diff options
Diffstat (limited to 'src/include/optimizer/paths.h')
| -rw-r--r-- | src/include/optimizer/paths.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/src/include/optimizer/paths.h b/src/include/optimizer/paths.h index 1dcb2cc273..0d57d89bbb 100644 --- a/src/include/optimizer/paths.h +++ b/src/include/optimizer/paths.h @@ -8,7 +8,7 @@ * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: paths.h,v 1.56 2001/10/18 16:11:42 tgl Exp $ + * $Id: paths.h,v 1.57 2001/10/25 05:50:05 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -41,7 +41,7 @@ extern void debug_print_rel(Query *root, RelOptInfo *rel); */ extern void create_index_paths(Query *root, RelOptInfo *rel); extern Oid indexable_operator(Expr *clause, Oid opclass, - bool indexkey_on_left); + bool indexkey_on_left); extern List *extract_or_indexqual_conditions(RelOptInfo *rel, IndexOptInfo *index, Expr *orsubclause); @@ -88,10 +88,12 @@ extern RelOptInfo *make_jointree_rel(Query *root, Node *jtnode); */ typedef enum { - PATHKEYS_EQUAL, /* pathkeys are identical */ - PATHKEYS_BETTER1, /* pathkey 1 is a superset of pathkey 2 */ - PATHKEYS_BETTER2, /* vice versa */ - PATHKEYS_DIFFERENT /* neither pathkey includes the other */ + PATHKEYS_EQUAL, /* pathkeys are identical */ + PATHKEYS_BETTER1, /* pathkey 1 is a superset of + * pathkey 2 */ + PATHKEYS_BETTER2, /* vice versa */ + PATHKEYS_DIFFERENT /* neither pathkey includes the + * other */ } PathKeysComparison; extern void add_equijoined_keys(Query *root, RestrictInfo *restrictinfo); @@ -116,7 +118,7 @@ extern List *build_join_pathkeys(Query *root, extern List *make_pathkeys_for_sortclauses(List *sortclauses, List *tlist); extern void cache_mergeclause_pathkeys(Query *root, - RestrictInfo *restrictinfo); + RestrictInfo *restrictinfo); extern List *find_mergeclauses_for_pathkeys(Query *root, List *pathkeys, List *restrictinfos); @@ -130,5 +132,4 @@ extern int pathkeys_useful_for_ordering(Query *root, List *pathkeys); extern List *truncate_useless_pathkeys(Query *root, RelOptInfo *rel, List *pathkeys); - #endif /* PATHS_H */ |