I'm not sure if this is true for you as I can't see your complete table definitions, but I'd usually do this by using issue_id INTEGER REFERENCES issue ON DELETE CASCADE in my column definition. See [1] for more information. [1]http://www.postgresql.org/docs/current/interactive/ddl-constraints.html#DDL-CONSTRAINTS-FK
pgsql-sql by date:
Соглашаюсь с условиями обработки персональных данных