#1470 source s3: review fixes

airbyte-integrations/connectors/source-s3/source_s3/source_files_abstract/stream.py

@@ -160,8 +160,8 @@ def get_time_ordered_file_infos(self) -> List[FileInfo]:
 
     @property
     def _raw_schema(self) -> Mapping[str, Any]:
-        if self._user_input_schema != {}:
-            return deepcopy(self._user_input_schema)
+        if self._user_input_schema and isinstance(self._user_input_schema, dict):
+            return self._user_input_schema
         return self._auto_inferred_schema
 
     @property

docs/integrations/sources/s3.md

@@ -120,7 +120,7 @@ As you can probably tell, there are many ways to achieve the same goal with path
 
 ## User Schema
 
-Providing a schema allows for more control over the output of this stream. Without a provided schema, columns and datatypes will be inferred from the first file in the bucket matching your path pattern and suffix. This will probably be fine in most cases but there may be situations you want to enforce a schema instead, e.g.:
+Providing a schema allows for more control over the output of this stream. Without a provided schema, columns and datatypes will be inferred from the first created file in the bucket matching your path pattern and suffix. This will probably be fine in most cases but there may be situations you want to enforce a schema instead, e.g.:
 
 * You only care about a specific known subset of the columns. The other columns would all still be included, but packed into the `_ab_additional_properties` map.
 * Your initial dataset is quite small \(in terms of number of records\), and you think the automatic type inference from this sample might not be representative of the data in the future.
@@ -144,7 +144,7 @@ For example:
 
 :::note
 
-Please note, the S3 Source connector used to infer schemas from all the available files and then merge them to create a superset schema. Starting from version 1.0.0 the schema inference works based on the first file found only. The first file we consider is the oldest one written to the prefix.
+Please note, the S3 Source connector used to infer schemas from all the available files and then merge them to create a superset schema. Starting from version 2.0.0 the schema inference works based on the first file found only. The first file we consider is the oldest one written to the prefix.
 
 :::