aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/backend/optimizer/plan/planner.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c
index 7e722d6a099..ab51f0cedbb 100644
--- a/src/backend/optimizer/plan/planner.c
+++ b/src/backend/optimizer/plan/planner.c
@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.127 2002/11/06 22:31:24 tgl Exp $
+ * $Header: /cvsroot/pgsql/src/backend/optimizer/plan/planner.c,v 1.128 2002/11/14 19:00:36 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1257,6 +1257,9 @@ grouping_planner(Query *parse, double tuple_fraction)
sorted_path->parent->rows, sorted_path->parent->width);
sort_path.startup_cost += cheapest_path->total_cost;
sort_path.total_cost += cheapest_path->total_cost;
+ /* Convert absolute-count tuple_fraction into a fraction */
+ if (tuple_fraction >= 1.0)
+ tuple_fraction /= sorted_path->parent->rows;
if (compare_fractional_path_costs(sorted_path, &sort_path,
tuple_fraction) <= 0)
{