From 6d431184a87514eac72b8c71199bc33cf5d85149 Mon Sep 17 00:00:00 2001
From: Pablo Marcos <pablo.marcos.oltra@gmail.com>
Date: Tue, 2 Apr 2024 17:25:42 +0200
Subject: [PATCH] Only copy comment if it's not empty

---
 src/Interpreters/InterpreterCreateQuery.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Interpreters/InterpreterCreateQuery.cpp b/src/Interpreters/InterpreterCreateQuery.cpp
index 75208a501ca..c27d610474c 100644
--- a/src/Interpreters/InterpreterCreateQuery.cpp
+++ b/src/Interpreters/InterpreterCreateQuery.cpp
@@ -785,7 +785,7 @@ InterpreterCreateQuery::TableProperties InterpreterCreateQuery::getTableProperti
         auto as_storage_metadata = as_storage->getInMemoryMetadataPtr();
         properties.columns = as_storage_metadata->getColumns();
 
-        if (!create.comment)
+        if (!create.comment && !as_storage_metadata->comment.empty())
             create.comment = std::make_shared<ASTLiteral>(Field(as_storage_metadata->comment));
 
         /// Secondary indices and projections make sense only for MergeTree family of storage engines.