From 1012a768b12e75f71548e8b4b26f518d62a03eca Mon Sep 17 00:00:00 2001
From: Vladimir Chebotarev <vladimir.chebotarev@gmail.com>
Date: Thu, 3 Jun 2021 09:09:09 +0300
Subject: [PATCH] Allowed S3 key to be empty.

---
 src/IO/S3Common.cpp | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/src/IO/S3Common.cpp b/src/IO/S3Common.cpp
index ff9eafc9bc7..2a0d70dfeaa 100644
--- a/src/IO/S3Common.cpp
+++ b/src/IO/S3Common.cpp
@@ -639,8 +639,6 @@ namespace S3
                 key = uri.getPath().substr(1);
             }
 
-            if (key.empty() || key == "/")
-                throw Exception("Key name is empty in virtual hosted style S3 URI: " + key + " (" + uri.toString() + ")", ErrorCodes::BAD_ARGUMENTS);
             boost::to_upper(name);
             if (name != S3 && name != COS)
             {
@@ -665,9 +663,6 @@ namespace S3
             if (bucket.length() < 3 || bucket.length() > 63)
                 throw Exception(
                     "Bucket name length is out of bounds in path style S3 URI: " + bucket + " (" + uri.toString() + ")", ErrorCodes::BAD_ARGUMENTS);
-
-            if (key.empty() || key == "/")
-                throw Exception("Key name is empty in path style S3 URI: " + key + " (" + uri.toString() + ")", ErrorCodes::BAD_ARGUMENTS);
         }
         else
             throw Exception("Bucket or key name are invalid in S3 URI: " + uri.toString(), ErrorCodes::BAD_ARGUMENTS);