From aaffff4dd11894d63b3e4793790466b8643321bb Mon Sep 17 00:00:00 2001
From: Alexey Milovidov <milovidov@yandex-team.ru>
Date: Mon, 25 Feb 2013 18:17:54 +0000
Subject: [PATCH] dbms: Set: fixed error with NOT IN (empty set) [#CONV-2944].

---
 dbms/src/Interpreters/Set.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/dbms/src/Interpreters/Set.cpp b/dbms/src/Interpreters/Set.cpp
index 7a658a264ef..b67fe4bf512 100644
--- a/dbms/src/Interpreters/Set.cpp
+++ b/dbms/src/Interpreters/Set.cpp
@@ -267,7 +267,11 @@ void Set::execute(Block & block, const ColumnNumbers & arguments, size_t result,
 
 	/// Если множество пусто
 	if (data_types.empty())
+	{
+		if (negative)
+			memset(&vec_res[0], 1, vec_res.size());
 		return;
+	}
 
 	size_t keys_size = arguments.size();
 	Row key(keys_size);