看报错你是调用了order_by操作吧。对于unbounded table来说，order_by只能作用在时间字段上，要不然就得后面接上fetch操作。具体可以参考文档[1]
[1] https://ci.apache.org/projects/flink/flink-docs-master/dev/table/tableApi.html#orderby-offset--fetch Best, Xingbo 肖越 <[email protected]> 于2021年1月27日周三 下午5:44写道： > 通过sql_query执行返回table对象，执行table.to_pandas()报错： > Traceback (most recent call last): > File > "C:/projects/dataService-pyflink_explore/dataService-calculate-code-python/src/test/test_mysql_connector.py", > line 161, in <module> > print(table.to_pandas().head(6)) > File > "C:\Users\18242\AppData\Local\Programs\Python\Python37\lib\site-packages\pyflink\table\table.py", > line 723, in to_pandas > .collectAsPandasDataFrame(self._j_table, max_arrow_batch_size) > File > "C:\Users\18242\AppData\Local\Programs\Python\Python37\lib\site-packages\py4j\java_gateway.py", > line 1286, in __call__ > answer, self.gateway_client, self.target_id, self.name) > File > "C:\Users\18242\AppData\Local\Programs\Python\Python37\lib\site-packages\pyflink\util\exceptions.py", > line 154, in deco > raise exception_mapping[exception](s.split(': ', 1)[1], stack_trace) > pyflink.util.exceptions.TableException: 'Sort on a non-time-attribute > field is not supported.' > 请教各位大佬，为什么会转换失败？但表格本身print_schema是没问题的。
