[GitHub] [airflow] dungdm93 commented on a diff in pull request #24312: switching from `cx-Oracle` to `oracledb`

[GitBox <gi...@apache.org>]

dungdm93 commented on code in PR #24312:
URL: https://github.com/apache/airflow/pull/24312#discussion_r891944593


##########
airflow/providers/oracle/hooks/oracle.py:
##########
@@ -119,51 +117,40 @@ def get_conn(self) -> 'OracleHook':
                     dsn += "/" + conn.schema
             conn_config['dsn'] = dsn
 
-        if 'encoding' in conn.extra_dejson:
-            conn_config['encoding'] = conn.extra_dejson.get('encoding')
-            # if `encoding` is specific but `nencoding` is not
-            # `nencoding` should use same values as `encoding` to set encoding, inspired by
-            # https://github.com/oracle/python-cx_Oracle/issues/157#issuecomment-371877993
-            if 'nencoding' not in conn.extra_dejson:
-                conn_config['nencoding'] = conn.extra_dejson.get('encoding')
-        if 'nencoding' in conn.extra_dejson:
-            conn_config['nencoding'] = conn.extra_dejson.get('nencoding')
-        if 'threaded' in conn.extra_dejson:
-            conn_config['threaded'] = conn.extra_dejson.get('threaded')

Review Comment:
   Because those are deprecated and has no effect:
   https://github.com/oracle/python-oracledb/blob/2068d83baba2c18164285e63b9a16e16e5f9b219/src/oracledb/connection.py#L1047-L1050
   
   For `encoding` and `nencoding`, this is always the value "UTF-8".
   https://github.com/oracle/python-oracledb/blob/2068d83baba2c18164285e63b9a16e16e5f9b219/src/oracledb/connection.py#L393



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