diff options
Diffstat (limited to 'src/backend/optimizer/plan/planner.c')
| -rw-r--r-- | src/backend/optimizer/plan/planner.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/src/backend/optimizer/plan/planner.c b/src/backend/optimizer/plan/planner.c index d6f21535937..b44efd6314c 100644 --- a/src/backend/optimizer/plan/planner.c +++ b/src/backend/optimizer/plan/planner.c @@ -4867,13 +4867,8 @@ create_distinct_paths(PlannerInfo *root, allow_hash = false; /* policy-based decision not to hash */ else { - Size hashentrysize; - - /* Estimate per-hash-entry space at tuple width... */ - hashentrysize = MAXALIGN(cheapest_input_path->pathtarget->width) + - MAXALIGN(SizeofMinimalTupleHeader); - /* plus the per-hash-entry overhead */ - hashentrysize += hash_agg_entry_size(0); + Size hashentrysize = hash_agg_entry_size( + 0, cheapest_input_path->pathtarget->width, 0); /* Allow hashing only if hashtable is predicted to fit in work_mem */ allow_hash = (hashentrysize * numDistinctRows <= work_mem * 1024L); |