From a7486a25cfb37b9157bd583f54a8b2d58002a3c5 Mon Sep 17 00:00:00 2001
From: Nikolai Kochetov <nik-kochetov@yandex-team.ru>
Date: Thu, 18 Apr 2019 20:17:18 +0300
Subject: [PATCH] Fix Cube transform.

---
 dbms/src/Processors/Transforms/CubeTransform.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/dbms/src/Processors/Transforms/CubeTransform.cpp b/dbms/src/Processors/Transforms/CubeTransform.cpp
index a91b2d8c3fa..1f2dea41298 100644
--- a/dbms/src/Processors/Transforms/CubeTransform.cpp
+++ b/dbms/src/Processors/Transforms/CubeTransform.cpp
@@ -39,18 +39,17 @@ Chunk CubeTransform::generate()
     if (mask)
     {
         --mask;
-        consumed_chunk = gen_chunk;
 
         auto columns = current_columns;
         for (size_t i = 0; i < keys.size(); ++i)
-            if ((mask & (UInt64(1) << i)) == 0)
+            if (mask & (UInt64(1) << i))
                 columns[keys[i]] = current_zero_columns[i];
 
         BlocksList cube_blocks = { getInputPort().getHeader().cloneWithColumns(columns) };
         auto cube_block = params->aggregator.mergeBlocks(cube_blocks, false);
 
         auto num_rows = cube_block.rows();
-        gen_chunk = Chunk(cube_block.getColumns(), num_rows);
+        consumed_chunk = Chunk(cube_block.getColumns(), num_rows);
     }
 
     finalizeChunk(gen_chunk);