When using join table for many to many relationship i have specified unique constraint, but the same has not been created in Database.
Here is my entity definition :-
The unique constraint that i have added to the join table is not getting created in Postgresql.
Any unique constraint at entity level with @table is working fine.
Here is the config :-
Update1 :- Also not working for Oracle 11G
Update2 :- Also not working for SqlServer 2016
Postgresql, Linux, Spring Data JPA Repository, Oracle 11g