canvas-lms/db/migrate/20190402162707_remove_cours...

18 lines
781 B
Ruby

class RemoveCourseCopyForeignKeys < ActiveRecord::Migration[5.1]
tag :predeploy
def up
remove_foreign_key :content_migrations, :column => :source_course_id
remove_foreign_key_if_exists :content_migrations, :attachments
remove_foreign_key :content_exports, :content_migrations
remove_foreign_key :folders, :column => :cloned_item_id
end
def down
add_foreign_key_if_not_exists :content_migrations, :courses, :column => :source_course_id, :delay_validation => true
add_foreign_key_if_not_exists :content_migrations, :attachments, :delay_validation => true
add_foreign_key_if_not_exists :content_exports, :content_migrations, :delay_validation => true
add_foreign_key_if_not_exists :folders, :cloned_items, :delay_validation => true
end
end