Froegin keys

db/migrate/20211020095206_create_jobs.rb

@@ -2,7 +2,7 @@ class CreateJobs < ActiveRecord::Migration[6.1]
   def change
     create_table :jobs do |t|
       t.json :params
-      t.string :type
+      t.string :job_type
 
       t.timestamps
     end

db/migrate/20211021061911_create_device_jobs.rb

@@ -1,11 +1,19 @@
 class CreateDeviceJobs < ActiveRecord::Migration[6.1]
   def change
-    create_table :device_jobs do |t|
+    create_table :device_jobs, id: false do |t|
+      # t.references :job_id, references: :job, foreign_key: true # the owner
+      # t.references :device_id, references: :device, foreign_key: true # the invitee
       t.integer :device_id
-      t.integer :jobs_id
+      t.integer :job_id
       t.string :status
 
       t.timestamps
     end
+    add_index :device_jobs, :job_id 
+    add_foreign_key :device_jobs, :jobs, column: :job_id
+    add_index :device_jobs, :device_id 
+    add_foreign_key :device_jobs, :devices, column: :device_id
+    # execute "ALTER TABLE device_jobs ADD PRIMARY KEY (device_id, jobs_id);"
   end
 end
+