diff options
Diffstat (limited to 'src/backend/executor')
| -rw-r--r-- | src/backend/executor/nodeAgg.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/backend/executor/nodeAgg.c b/src/backend/executor/nodeAgg.c index 2bf48c54e3c..4c82176671b 100644 --- a/src/backend/executor/nodeAgg.c +++ b/src/backend/executor/nodeAgg.c @@ -2666,11 +2666,13 @@ ExecReScanAgg(AggState *node) return; /* - * If we do have the hash table and the subplan does not have any - * parameter changes, then we can just rescan the existing hash table; - * no need to build it again. + * If we do have the hash table, and the subplan does not have any + * parameter changes, and none of our own parameter changes affect + * input expressions of the aggregated functions, then we can just + * rescan the existing hash table; no need to build it again. */ - if (outerPlan->chgParam == NULL) + if (outerPlan->chgParam == NULL && + !bms_overlap(node->ss.ps.chgParam, aggnode->aggParams)) { ResetTupleHashIterator(node->hashtable, &node->hashiter); return; |