diff options
Diffstat (limited to 'src/backend/optimizer/path/joinpath.c')
| -rw-r--r-- | src/backend/optimizer/path/joinpath.c | 30 |
1 files changed, 1 insertions, 29 deletions
diff --git a/src/backend/optimizer/path/joinpath.c b/src/backend/optimizer/path/joinpath.c index e5d19017909..4e344e0aa8a 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 1.24 1999/02/14 04:56:46 momjian Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/path/joinpath.c,v 1.25 1999/02/14 05:27:12 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -66,8 +66,6 @@ update_rels_pathlist_for_joins(Query *root, List *joinrels) { List *mergeinfo_list = NIL; List *hashinfo_list = NIL; - List *temp_list = NIL; - List *path = NIL; List *j; foreach(j, joinrels) @@ -144,37 +142,11 @@ update_rels_pathlist_for_joins(Query *root, List *joinrels) * 4. Consider paths where both outer and inner relations must be * hashed before being joined. */ - pathlist = add_pathlist(joinrel, pathlist, hash_inner_and_outer(joinrel, outerrel, innerrel, hashinfo_list)); joinrel->pathlist = pathlist; - - /* - * 'OuterJoinCost is only valid when calling - * (match_unsorted_inner) with the same arguments as the previous - * invokation of (match_unsorted_outer), so clear the field before - * going on. - */ - temp_list = innerrel->pathlist; - foreach(path, temp_list) - { - /* - * XXX - * - * This gross hack is to get around an apparent optimizer bug on - * Sparc (or maybe it is a bug of ours?) that causes really - * 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 - * since the base level - */ - } } } |