diff options
| author | Jeff Davis <jdavis@postgresql.org> | 2020-07-26 14:55:52 -0700 |
|---|---|---|
| committer | Jeff Davis <jdavis@postgresql.org> | 2020-07-26 15:09:46 -0700 |
| commit | 200f6100a9f9fc71273aeb6aceac4430f3437195 (patch) | |
| tree | 4ad58de4794de64311c27fdaf348036ddca4bc69 /src/backend/executor/nodeRecursiveunion.c | |
| parent | 56788d2156fc32bd5737e7ac716d70e6a269b7bc (diff) | |
| download | postgresql-200f6100a9f9fc71273aeb6aceac4430f3437195.tar.gz postgresql-200f6100a9f9fc71273aeb6aceac4430f3437195.zip | |
Fix LookupTupleHashEntryHash() pipeline-stall issue.
Refactor hash lookups in nodeAgg.c to improve performance.
Author: Andres Freund and Jeff Davis
Discussion: https://postgr.es/m/20200612213715.op4ye4q7gktqvpuo%40alap3.anarazel.de
Backpatch-through: 13
Diffstat (limited to 'src/backend/executor/nodeRecursiveunion.c')
| -rw-r--r-- | src/backend/executor/nodeRecursiveunion.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/executor/nodeRecursiveunion.c b/src/backend/executor/nodeRecursiveunion.c index 620414a1edc..046242682f0 100644 --- a/src/backend/executor/nodeRecursiveunion.c +++ b/src/backend/executor/nodeRecursiveunion.c @@ -94,7 +94,7 @@ ExecRecursiveUnion(PlanState *pstate) if (plan->numCols > 0) { /* Find or build hashtable entry for this tuple's group */ - LookupTupleHashEntry(node->hashtable, slot, &isnew); + LookupTupleHashEntry(node->hashtable, slot, &isnew, NULL); /* Must reset temp context after each hashtable lookup */ MemoryContextReset(node->tempContext); /* Ignore tuple if already seen */ @@ -141,7 +141,7 @@ ExecRecursiveUnion(PlanState *pstate) if (plan->numCols > 0) { /* Find or build hashtable entry for this tuple's group */ - LookupTupleHashEntry(node->hashtable, slot, &isnew); + LookupTupleHashEntry(node->hashtable, slot, &isnew, NULL); /* Must reset temp context after each hashtable lookup */ MemoryContextReset(node->tempContext); /* Ignore tuple if already seen */ |