diff options
Diffstat (limited to 'src/backend/optimizer/path/indxpath.c')
| -rw-r--r-- | src/backend/optimizer/path/indxpath.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/backend/optimizer/path/indxpath.c b/src/backend/optimizer/path/indxpath.c index 02a92fd9960..443d54c6473 100644 --- a/src/backend/optimizer/path/indxpath.c +++ b/src/backend/optimizer/path/indxpath.c @@ -9,7 +9,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.132 2003/01/20 18:54:49 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/path/indxpath.c,v 1.133 2003/01/24 03:58:34 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1596,12 +1596,14 @@ make_innerjoin_index_path(Query *root, * nconc the two lists; then we might have some restriction * clauses appearing twice, which'd mislead * restrictlist_selectivity into double-counting their - * selectivity.) + * selectivity. However, since RestrictInfo nodes aren't copied when + * linking them into different lists, it should be sufficient to use + * pointer comparison to remove duplicates.) */ pathnode->rows = rel->tuples * restrictlist_selectivity(root, - set_union(rel->baserestrictinfo, - clausegroup), + set_ptrUnion(rel->baserestrictinfo, + clausegroup), lfirsti(rel->relids)); /* Like costsize.c, force estimate to be at least one row */ if (pathnode->rows < 1.0) |