diff options
Diffstat (limited to 'src/backend/optimizer/util/pathnode.c')
| -rw-r--r-- | src/backend/optimizer/util/pathnode.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/src/backend/optimizer/util/pathnode.c b/src/backend/optimizer/util/pathnode.c index 895a1329f81..619013a18d5 100644 --- a/src/backend/optimizer/util/pathnode.c +++ b/src/backend/optimizer/util/pathnode.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/util/pathnode.c,v 1.103 2004/03/29 19:58:04 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/util/pathnode.c,v 1.104 2004/04/25 18:23:56 neilc Exp $ * *------------------------------------------------------------------------- */ @@ -243,9 +243,9 @@ set_cheapest(RelOptInfo *parent_rel) * A path is worthy if it has either a better sort order (better pathkeys) * or cheaper cost (on either dimension) than any of the existing old paths. * - * Unless parent_rel->pruneable is false, we also remove from the rel's - * pathlist any old paths that are dominated by new_path --- that is, - * new_path is both cheaper and at least as well ordered. + * We also remove from the rel's pathlist any old paths that are dominated + * by new_path --- that is, new_path is both cheaper and at least as well + * ordered. * * The pathlist is kept sorted by TOTAL_COST metric, with cheaper paths * at the front. No code depends on that for correctness; it's simply @@ -342,10 +342,9 @@ add_path(RelOptInfo *parent_rel, Path *new_path) } /* - * Remove current element from pathlist if dominated by new, - * unless xfunc told us not to remove any paths. + * Remove current element from pathlist if dominated by new. */ - if (remove_old && parent_rel->pruneable) + if (remove_old) { List *p1_next = lnext(p1); |