From 698a984c074390127b6989705f9b31ae5a89df7a Mon Sep 17 00:00:00 2001
From: Nickita Taranov <nickita.taranov@gmail.com>
Date: Thu, 31 Mar 2022 13:39:05 +0200
Subject: [PATCH] throw if sorting column not found

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

diff --git a/src/Interpreters/ActionsDAG.cpp b/src/Interpreters/ActionsDAG.cpp
index ea90bedd2f6..f06ac229e94 100644
--- a/src/Interpreters/ActionsDAG.cpp
+++ b/src/Interpreters/ActionsDAG.cpp
@@ -1533,6 +1533,10 @@ ActionsDAG::SplitResult ActionsDAG::splitActionsBySortingDescription(const NameS
     for (const auto & sort_column : sort_columns)
         if (const auto * node = tryFindInIndex(sort_column))
             split_nodes.insert(node);
+        else
+            throw Exception(
+                ErrorCodes::LOGICAL_ERROR, "Sorting column {} wasn't found in the ActionsDAG's index. DAG:\n{}", sort_column, dumpDAG());
+
     auto res = split(split_nodes);
     res.second->project_input = project_input;
     return res;