CREATE TABLE "client_settings" (
  "id" varchar(254) not null primary key,
  "client_id" varchar(254) not null,
  "user_id" varchar(254) not null,
  "settings_data" text not null,
  "created" timestamp not null,
  "updated" timestamp not null,
  foreign key ("user_id") references "user_"("uid") on delete cascade,
  unique ("client_id", "user_id")
);
