diff options
Diffstat (limited to 'src/backend/optimizer/util/pathnode.c')
| -rw-r--r-- | src/backend/optimizer/util/pathnode.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/src/backend/optimizer/util/pathnode.c b/src/backend/optimizer/util/pathnode.c index 7bdec4bb4aa..e30421c3747 100644 --- a/src/backend/optimizer/util/pathnode.c +++ b/src/backend/optimizer/util/pathnode.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.17 1999/02/04 01:46:59 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/util/pathnode.c,v 1.18 1999/02/04 19:20:12 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -101,21 +101,24 @@ set_cheapest(RelOptInfo *parent_rel, List *pathlist) List * add_pathlist(RelOptInfo *parent_rel, List *unique_paths, List *new_paths) { - List *x; - Path *new_path; - Path *old_path; - bool noOther; + List *p1; - foreach(x, new_paths) + foreach(p1, new_paths) { - new_path = (Path *) lfirst(x); + Path *new_path = (Path *) lfirst(p1); + Path *old_path; + bool noOther; + + /* Is this new path already in unique_paths? */ if (member(new_path, unique_paths)) continue; + + /* Find best matching path */ old_path = better_path(new_path, unique_paths, &noOther); if (noOther) { - /* Is a brand new path. */ + /* This is a brand new path. */ new_path->parent = parent_rel; unique_paths = lcons(new_path, unique_paths); } |