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path: root/src/backend/optimizer/path/costsize.c
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Diffstat (limited to 'src/backend/optimizer/path/costsize.c')
-rw-r--r--src/backend/optimizer/path/costsize.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c
index a25b674a192..b92c9485882 100644
--- a/src/backend/optimizer/path/costsize.c
+++ b/src/backend/optimizer/path/costsize.c
@@ -1969,7 +1969,8 @@ cost_incremental_sort(Path *path,
/* Estimate number of groups with equal presorted keys. */
if (!unknown_varno)
- input_groups = estimate_num_groups(root, presortedExprs, input_tuples, NULL);
+ input_groups = estimate_num_groups(root, presortedExprs, input_tuples,
+ NULL, NULL);
group_tuples = input_tuples / input_groups;
group_input_run_cost = input_run_cost / input_groups;