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Copy path0006_cascading_deletes.sql
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Copy path0006_cascading_deletes.sql
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47 lines (41 loc) · 1.94 KB
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ALTER TABLE repeats
DROP CONSTRAINT repeats_lesson_id_fkey,
ADD CONSTRAINT lesson_id_fkey
FOREIGN KEY (lesson_id) REFERENCES Lesson(id) ON DELETE CASCADE;
ALTER TABLE teacher
DROP CONSTRAINT teacher_account_id_fkey,
ADD CONSTRAINT account_id_fkey
FOREIGN KEY (account_id) REFERENCES Account(id) ON DELETE SET NULL;
ALTER TABLE task
DROP CONSTRAINT task_lesson_id_fkey,
ADD CONSTRAINT lesson_id_fkey
-- Actually cascade even tho it can be null
FOREIGN KEY (lesson_id) REFERENCES Lesson(id) ON DELETE CASCADE;
ALTER TABLE teacherlesson
DROP CONSTRAINT teacherlesson_teacher_id_fkey,
ADD CONSTRAINT teacher_id_fkey
FOREIGN KEY (teacher_id) REFERENCES Teacher(id) ON DELETE CASCADE,
DROP CONSTRAINT teacherlesson_lesson_id_fkey,
ADD CONSTRAINT lesson_id_fkey
FOREIGN KEY (lesson_id) REFERENCES Lesson(id) ON DELETE CASCADE;
ALTER TABLE lessonpermission
DROP CONSTRAINT lessonpermission_lesson_id_fkey,
ADD CONSTRAINT lesson_id_fkey
FOREIGN KEY (lesson_id) REFERENCES Lesson(id) ON DELETE CASCADE,
DROP CONSTRAINT lessonpermission_account_id_fkey,
ADD CONSTRAINT account_id_fkey
FOREIGN KEY (account_id) REFERENCES Account(id) ON DELETE CASCADE;
ALTER TABLE teacherpermission
DROP CONSTRAINT teacherpermission_teacher_id_fkey,
ADD CONSTRAINT teacher_id_fkey
FOREIGN KEY (teacher_id) REFERENCES Teacher(id) ON DELETE CASCADE,
DROP CONSTRAINT teacherpermission_account_id_fkey,
ADD CONSTRAINT account_id_fkey
FOREIGN KEY (account_id) REFERENCES Account(id) ON DELETE CASCADE;
ALTER TABLE taskpermission
DROP CONSTRAINT taskpermission_task_id_fkey,
ADD CONSTRAINT task_id_fkey
FOREIGN KEY (task_id) REFERENCES Task(id) ON DELETE CASCADE,
DROP CONSTRAINT taskpermission_account_id_fkey,
ADD CONSTRAINT account_id_fkey
FOREIGN KEY (account_id) REFERENCES Account(id) ON DELETE CASCADE;