[Bug](map) fix wrong result on map_agg with streaming agg (#40471)

pick from #40454
2024-09-06 19:29:38 +08:00
parent 0e057c49e8
commit c1abaa4679
1 changed files with 1 additions and 0 deletions
--- a/be/src/vec/aggregate_functions/aggregate_function_map.h
+++ b/be/src/vec/aggregate_functions/aggregate_function_map.h
@ -248,6 +248,7 @@ public:
            Field key, value;
            columns[0]->get(i, key);
            if (key.is_null()) {
+                col.insert(Map {Array {}, Array {}});
                continue;
            }