diff options
Diffstat (limited to 'src/backend/optimizer/util/restrictinfo.c')
| -rw-r--r-- | src/backend/optimizer/util/restrictinfo.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/src/backend/optimizer/util/restrictinfo.c b/src/backend/optimizer/util/restrictinfo.c index 334fc5784cf..673e76c8c31 100644 --- a/src/backend/optimizer/util/restrictinfo.c +++ b/src/backend/optimizer/util/restrictinfo.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $Header: /cvsroot/pgsql/src/backend/optimizer/util/restrictinfo.c,v 1.17 2003/06/15 22:51:45 tgl Exp $ + * $Header: /cvsroot/pgsql/src/backend/optimizer/util/restrictinfo.c,v 1.18 2003/08/04 00:43:20 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -21,9 +21,9 @@ static bool join_clause_is_redundant(Query *root, - RestrictInfo *rinfo, - List *reference_list, - JoinType jointype); + RestrictInfo *rinfo, + List *reference_list, + JoinType jointype); /* @@ -174,7 +174,7 @@ select_nonredundant_join_clauses(Query *root, * left and right pathkeys, which uniquely identify the sets of equijoined * variables in question. All the members of a pathkey set that are in the * left relation have already been forced to be equal; likewise for those in - * the right relation. So, we need to have only one clause that checks + * the right relation. So, we need to have only one clause that checks * equality between any set member on the left and any member on the right; * by transitivity, all the rest are then equal. * @@ -228,10 +228,9 @@ join_clause_is_redundant(Query *root, if (redundant) { /* - * It looks redundant, now check for "var = const" case. - * If left_relids/right_relids are set, then there are - * definitely vars on both sides; else we must check the - * hard way. + * It looks redundant, now check for "var = const" case. If + * left_relids/right_relids are set, then there are definitely + * vars on both sides; else we must check the hard way. */ if (rinfo->left_relids) return true; /* var = var, so redundant */ |