1
を更新するrollingbackあるので、私はこのcのレールを実行しようとしたRailsのではなく、
Borrower.update(1, raised: 0)
と私は背中とロールを取得しますこれは:
Borrower Load (0.3ms) SELECT "borrowers".* FROM "borrowers" WHERE "borrowers"."id" = $1 LIMIT 1 [["id", 1]] (0.2ms) BEGIN Borrower Exists (0.5ms) SELECT 1 AS one FROM "borrowers" WHERE (LOWER("borrowers"."email") = LOWER('[email protected]') AND "borrowers"."id" != 1) LIMIT 1 (0.2ms) ROLLBACK "table with raised = 0" 1 row in set
これです"借入人" のための私のモデルである:
class Borrower < ActiveRecord::Base has_many :lenders has_many :histories, dependent: :destroy has_many :borrowed_from, through: :histories, source: :lender EMAIL_REGEX = /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]+)\z/i validates :first_name, :last_name, :email, :purpose, :description, :money, presence: true validates :email, uniqueness: {case_sensitive: false}, format: {with: EMAIL_REGEX} has_secure_password end
と私のスキーマ:
create_table "borrowers", force: :cascade do |t| t.string "first_name" t.string "last_name" t.string "email" t.string "password_digest" t.integer "money" t.string "purpose" t.text "description" t.integer "raised" t.datetime "created_at", null: false t.datetime "updated_at", null: false end
どのように私は永久に "上げ" を更新していますか?
感謝を! "Borrower.find(1).update_attribute(:raised、0)"が機能しました! –