Hello Cong,

> when we add a field to the first-level value object and add a column to
> the table dynamically, they can be connected automatically.
Yes, that is correct.

> So now the problem is when we add a field to the nested object and add a
> column to the table,
> they cannot be connected automatically.
It cannot be done via SQL API at runtime.
The reason for that constraint is that this feature requires custom SQL
syntax which is not SQL ANSI-99 obviously, and I don't think there are any
plans to support this feature.

Perhaps, it makes sense to start a discussion on the dev list.

Thanks!






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