ktravis commented on issue #4285: Import CSV File Into PosgreSQL Table. Error: password authentication failed URL: https://github.com/apache/incubator-superset/issues/4285#issuecomment-370867065 I was experiencing the same issue and did some digging. It seems that as of #4298, the call to `create_engine` within `create_table_from_csv` [located here](https://github.com/apache/incubator-superset/blob/master/superset/db_engine_specs.py#L138) is using `sqlalchemy_uri` to create a new SQLAlchemy engine. This works as expected if the URI does not contain a password - however if it does, this string contains the *masked* password (i.e. `XXXXXXXX`), and authentication is attempted using that instead. Changing the line to use `sqlalchemy_uri_decrypted` instead sends the actual password, resolving the issue. For example: ```python # File "superset/db_engine_specs.py", line ~134 # ... df_to_db_kwargs = { 'table': table, 'df': df, 'name': form.name.data, 'con': create_engine(form.con.data.sqlalchemy_uri_decrypted, echo=False), 'schema': form.schema.data, 'if_exists': form.if_exists.data, 'index': form.index.data, 'index_label': form.index_label.data, 'chunksize': 10000, } # ... ```
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