From 3fcca2ccb27e14d24ca84d9c952975cf7f7ea285 Mon Sep 17 00:00:00 2001
From: BiteTheDDDDt <pxl290@qq.com>
Date: Fri, 6 Sep 2024 11:42:49 +0800
Subject: [PATCH] fix wrong result on map_agg with streaming agg

---
 be/src/vec/aggregate_functions/aggregate_function_map.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/be/src/vec/aggregate_functions/aggregate_function_map.h b/be/src/vec/aggregate_functions/aggregate_function_map.h
index e0a19a34207d80..bc065d5d8121b4 100644
--- a/be/src/vec/aggregate_functions/aggregate_function_map.h
+++ b/be/src/vec/aggregate_functions/aggregate_function_map.h
@@ -224,6 +224,7 @@ class AggregateFunctionMapAgg final
             Field key, value;
             columns[0]->get(i, key);
             if (key.is_null()) {
+                col.insert(Map {Array {}, Array {}});
                 continue;
             }