diff options
Diffstat (limited to 'src/backend/optimizer/plan/planagg.c')
| -rw-r--r-- | src/backend/optimizer/plan/planagg.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/backend/optimizer/plan/planagg.c b/src/backend/optimizer/plan/planagg.c index 0cdcb74dfea..6bdbd2a913d 100644 --- a/src/backend/optimizer/plan/planagg.c +++ b/src/backend/optimizer/plan/planagg.c @@ -8,7 +8,7 @@ * * * IDENTIFICATION - * $PostgreSQL: pgsql/src/backend/optimizer/plan/planagg.c,v 1.45 2009/01/01 17:23:44 momjian Exp $ + * $PostgreSQL: pgsql/src/backend/optimizer/plan/planagg.c,v 1.46 2009/06/11 14:48:59 momjian Exp $ * *------------------------------------------------------------------------- */ @@ -96,8 +96,8 @@ optimize_minmax_aggregates(PlannerInfo *root, List *tlist, Path *best_path) * Reject unoptimizable cases. * * We don't handle GROUP BY or windowing, because our current - * implementations of grouping require looking at all the rows anyway, - * and so there's not much point in optimizing MIN/MAX. + * implementations of grouping require looking at all the rows anyway, and + * so there's not much point in optimizing MIN/MAX. */ if (parse->groupClause || parse->hasWindowFuncs) return NULL; @@ -189,12 +189,12 @@ optimize_minmax_aggregates(PlannerInfo *root, List *tlist, Path *best_path) &aggs_list); /* - * We have to replace Aggrefs with Params in equivalence classes too, - * else ORDER BY or DISTINCT on an optimized aggregate will fail. + * We have to replace Aggrefs with Params in equivalence classes too, else + * ORDER BY or DISTINCT on an optimized aggregate will fail. * - * Note: at some point it might become necessary to mutate other - * data structures too, such as the query's sortClause or distinctClause. - * Right now, those won't be examined after this point. + * Note: at some point it might become necessary to mutate other data + * structures too, such as the query's sortClause or distinctClause. Right + * now, those won't be examined after this point. */ mutate_eclass_expressions(root, replace_aggs_with_params_mutator, |