set add table (id=1, set id=1, origin=1, fully qualified name = 'public.table1', comment='a table');
set add table (id=2, set id=1, origin=1, fully qualified name = 'public.table1a', comment='a table');
set add table (id=3, set id=2, origin=1, fully qualified name = 'public.table2', comment='a table');
set add table (id=4, set id=2, origin=1, fully qualified name = 'public.table2a', comment='a table');