我想做的是:> User.joins(:donations).order('donations.created_at').uniq.countid") FROM "users" INNER JOIN "donations" ON "donations"."user_id" = "users"."id" ORDER
SQLite3::SQLException: no such column: member.name: SELECT "donations"."id" AS t0_r0, "donations"."organization_id" AS t0_r1, "donations"."category" AS t0_r2, "donations"."borrow_id" A