long2ice edited a comment on issue #5014: No field class for DateTime URL: https://github.com/apache/incubator-superset/issues/5014#issuecomment-592327204 same error with Decimal: ```python3 superset_1 | Traceback (most recent call last): superset_1 | File "/usr/local/lib/python3.6/site-packages/superset/sql_lab.py", line 226, in execute_sql_statement superset_1 | db_engine_spec.execute(cursor, sql, async_=True) superset_1 | File "/usr/local/lib/python3.6/site-packages/superset/db_engine_specs/base.py", line 754, in execute superset_1 | cursor.execute(query) superset_1 | File "/usr/local/lib/python3.6/site-packages/sqlalchemy_clickhouse/connector.py", line 210, in execute superset_1 | self._process_response(response) superset_1 | File "/usr/local/lib/python3.6/site-packages/sqlalchemy_clickhouse/connector.py", line 341, in _process_response superset_1 | for r in response: superset_1 | File "/usr/local/lib/python3.6/site-packages/infi/clickhouse_orm/database.py", line 222, in select superset_1 | model_class = model_class or ModelBase.create_ad_hoc_model(zip(field_names, field_types)) superset_1 | File "/usr/local/lib/python3.6/site-packages/infi/clickhouse_orm/models.py", line 59, in create_ad_hoc_model superset_1 | attrs[name] = cls.create_ad_hoc_field(db_type) superset_1 | File "/usr/local/lib/python3.6/site-packages/sqlalchemy_clickhouse/connector.py", line 91, in create_ad_hoc_field superset_1 | raise NotImplementedError('No field class for %s' % db_type) superset_1 | NotImplementedError: No field class for Decimal(10, 4) ``` may be fixed in master branch: [https://github.com/cloudflare/sqlalchemy-clickhouse/pull/38](https://github.com/cloudflare/sqlalchemy-clickhouse/pull/38)
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