SNOW-1258702:SnowSQL File Upload support for China (#1932)

DESCRIPTION.md

@@ -9,7 +9,8 @@ Source code is also available at: https://github.com/snowflakedb/snowflake-conne
 # Release Notes
 
 - v3.10.0 (TBD)
-  - Added support for structured types to fetch_pandas_all
+  - Added support for structured types to fetch_pandas_all.
+  - Fixed an issue that endpoint for China s3 is not formed correctly.
 
 - v3.9.1(April 22,2024)
 

src/snowflake/connector/s3_storage_client.py

@@ -94,9 +94,11 @@ def transfer_accelerate_config(
         self, use_accelerate_endpoint: bool | None = None
     ) -> bool:
         # accelerate cannot be used in China and us government
-        if (self.location_type and "S3China".lower() in self.location_type.lower()) or (
-            self.region_name and self.region_name.startswith("cn-")
-        ):
+        if self.region_name and self.region_name.startswith("cn-"):
+            self.endpoint = (
+                f"https://{self.s3location.bucket_name}."
+                f"s3.{self.region_name}.amazonaws.com.cn"
+            )
             return False
         # if self.endpoint has been set, e.g. by metadata, no more config is needed.
         if self.endpoint is not None: