Hi, Community: I defined a dim table(tblDim) with schema : root
|-- dim_nested_fields: ROW<`id` INT, `product_name` STRING> and the part of SQL is : JOIN ... ON leftTable.`nested_field`.id = tblDim.`dim_nested_fields`.id. which will throw an exception like: Exception in thread "main" org.apache.flink.table.api.TableException: Temporal table join requires an equality condition on fields of table [MockTableSource(dim_nested_fields)]. Then I found these code snippets in UnitTest: FOR SYSTEM_TIME AS OF T.proctime AS D ON T.a + 1 = D.id + 2 Which will throw the same exception too. In my opinion, these two are not the same case. Why ` join ... on ... tblDim.`dim_nested_fields`.id ` failed, is it by design or a bug? And what's the recommended way to solve this? Thanks.