Hello,

> So when we need to add a new field, say in "addr", we can use current
> ALTER TABLE to add a normal column,
> but now the problem is how to map the new field to the column.
Yes, that is a problem. ALTER TABLE command does not support adding new
columns to nested objects.
So, if you need to update SQL schema dynamically, then I would suggest
avoiding nested objects.

> I think the problem is to support dynamic update of fields in QueryEntity.
I am afraid that there is no plan to support that. At least, I didn't find a
ticket in JIRA.

Thanks!



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