From ee65f3eedc78a818315473ffaa21424262720701 Mon Sep 17 00:00:00 2001
From: Nikolai Kochetov <nik-kochetov@yandex-team.ru>
Date: Mon, 4 May 2020 21:07:56 +0300
Subject: [PATCH] Init all input ports in GroupingAggregatedTransform.

---
 .../Transforms/MergingAggregatedMemoryEfficientTransform.cpp   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/Processors/Transforms/MergingAggregatedMemoryEfficientTransform.cpp b/src/Processors/Transforms/MergingAggregatedMemoryEfficientTransform.cpp
index 44445792228..bed1905f132 100644
--- a/src/Processors/Transforms/MergingAggregatedMemoryEfficientTransform.cpp
+++ b/src/Processors/Transforms/MergingAggregatedMemoryEfficientTransform.cpp
@@ -44,7 +44,10 @@ void GroupingAggregatedTransform::readFromAllInputs()
         in->setNeeded();
 
         if (!in->hasData())
+        {
             read_from_all_inputs = false;
+            continue;
+        }
 
         auto chunk = in->pull();
         read_from_input[i] = true;