Can you please add an option to fully normalize a mongodb collection into several SQL tables without PK value repetition?

meaning for example movies collection:

title, country
James Bond 19 [USA,UK,Spain]
Avatar2 [USA]

into:

movies:
id, title
0 James Bond 19
1 Avatar 2

countries:
id country
0 USA
1 UK
2 Spain

moviecounries
movieid country_id
0 0
0 1
0 , 2
1 , 0

• currently migration will create two "USA" values with different country id which is redundant.