postgrespro.git / summary / log / commit / refs

commit    b7fabe80df9a65010bfe5e5d0a979bacebfec382
Author:   Jeff Davis <jdavis@postgresql.org>
Date:     Fri Feb 21 01:04:19 2020 +0000

    Fixup for nodeAgg.c refactor.
    
    Commit 5b618e1f made an unintended behavior change.


 src/backend/executor/nodeAgg.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/backend/executor/nodeAgg.c b/src/backend/executor/nodeAgg.c
index 2e9a21bf40..a99b4a6075 100644
--- a/src/backend/executor/nodeAgg.c
+++ b/src/backend/executor/nodeAgg.c
@@ -1287,7 +1287,10 @@ build_hash_tables(AggState *aggstate)
 
 		Assert(perhash->aggnode->numGroups > 0);
 
-		build_hash_table(aggstate, setno, perhash->aggnode->numGroups);
+		if (perhash->hashtable)
+			ResetTupleHashTable(perhash->hashtable);
+		else
+			build_hash_table(aggstate, setno, perhash->aggnode->numGroups);
 	}
 }
 


[parent: 032f9ae012d8]