diff options
Diffstat (limited to 'src/backend/optimizer/path/joinpath.c')
| -rw-r--r-- | src/backend/optimizer/path/joinpath.c | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/src/backend/optimizer/path/joinpath.c b/src/backend/optimizer/path/joinpath.c index fd584d6a1d4..33448a6c037 100644 --- a/src/backend/optimizer/path/joinpath.c +++ b/src/backend/optimizer/path/joinpath.c @@ -7,7 +7,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinpath.c,v 1.5 1997/09/08 21:44:59 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinpath.c,v 1.6 1998/06/15 19:28:40 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -180,9 +180,7 @@ find_all_join_paths(Query *root, List *joinrels) * wierd behavior. */ if (IsA_JoinPath(path)) - { ((Path *) lfirst(path))->outerjoincost = (Cost) 0; - } /* * do it iff it is a join path, which is not always true, esp @@ -354,9 +352,7 @@ match_unsorted_outer(Rel *joinrel, } if (xmergeinfo) - { clauses = xmergeinfo->jmethod.clauses; - } if (clauses) { @@ -374,19 +370,13 @@ match_unsorted_outer(Rel *joinrel, joinrel->targetlist, clauses); } else - { merge_pathkeys = outerpath->keys; - } if (best_innerjoin && path_is_cheaper(best_innerjoin, cheapest_inner)) - { nestinnerpath = best_innerjoin; - } else - { nestinnerpath = cheapest_inner; - } paths = lcons(create_nestloop_path(joinrel, outerrel, @@ -429,13 +419,9 @@ match_unsorted_outer(Rel *joinrel, * wouldn't otherwise be considered. */ if (path_is_cheaper_than_sort) - { mergeinnerpath->outerjoincost = outerpath->path_cost; - } else - { mergeinnerpath = cheapest_inner; - } temp_node = lcons(create_mergesort_path(joinrel, @@ -453,9 +439,7 @@ match_unsorted_outer(Rel *joinrel, paths); } else - { temp_node = paths; - } jp_list = nconc(jp_list, temp_node); } return (jp_list); @@ -518,9 +502,7 @@ match_unsorted_inner(Rel *joinrel, } if (xmergeinfo) - { clauses = ((JoinMethod *) xmergeinfo)->clauses; - } if (clauses) { |