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| author | Jeff Davis <jdavis@postgresql.org> | 2020-07-26 14:55:52 -0700 |
|---|---|---|
| committer | Jeff Davis <jdavis@postgresql.org> | 2020-07-26 16:08:41 -0700 |
| commit | 7f5f2249b27a46a4d91d6be5aff188ca67719fa7 (patch) | |
| tree | 0c89edc111ee7eb1cbd606cfe8c3cb4d465f4a68 /src/backend/executor/nodeRecursiveunion.c | |
| parent | 21b0055359f036e3ba22402d14536431dd39242e (diff) | |
| download | postgresql-7f5f2249b27a46a4d91d6be5aff188ca67719fa7.tar.gz postgresql-7f5f2249b27a46a4d91d6be5aff188ca67719fa7.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 */ |