Add foreign keys without validation (#176)

db/migrate/20220611143549_add_foreign_keys.rb

@@ -0,0 +1,7 @@
+class AddForeignKeys < ActiveRecord::Migration[6.1]
+  def change
+    add_foreign_key :service_definitions, :cities, on_delete: :cascade, validate: false
+    add_foreign_key :service_requests, :cities, on_delete: :cascade, validate: false
+    add_foreign_key :statuses, :cities, on_delete: :cascade, validate: false
+  end
+end

db/schema.rb

@@ -10,7 +10,8 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_06_11_013909) do
+ActiveRecord::Schema.define(version: 2022_06_11_143549) do
+
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_trgm"
   enable_extension "pgcrypto"
@@ -107,6 +108,9 @@
     t.index ["created_at"], name: "index_statuses_on_created_at"
   end
 
+  add_foreign_key "service_definitions", "cities", on_delete: :cascade
+  add_foreign_key "service_requests", "cities", on_delete: :cascade
+  add_foreign_key "statuses", "cities", on_delete: :cascade
 
   create_view "global_indices", materialized: true, sql_definition: <<-SQL
       WITH service_request_indices AS (