回答編集履歴
3
ソースコード追記
test
CHANGED
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@@ -42,6 +42,72 @@
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```
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```
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irb(main):001:0> user1 = User.new(name:'',email:'1@gmail.com')
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(0.8ms) SELECT sqlite_version(*)
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=> #<User id: nil, name: "", email: "1@gmail.com", created_at: nil, updated_at: nil>
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irb(main):002:0> user1.save
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(0.1ms) begin transaction
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User Exists? (0.5ms) SELECT 1 AS one FROM "users" WHERE "users"."email" = ? LIMIT ? [["email", "1@gmail.com"], ["LIMIT", 1]]
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(0.0ms) rollback transaction
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=> false
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irb(main):003:0> user2 = User.new(name:'aaaaa',email:'')
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=> #<User id: nil, name: "aaaaa", email: "", created_at: nil, updated_at: nil>
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irb(main):004:0> user2.save
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(0.1ms) begin transaction
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User Exists? (0.2ms) SELECT 1 AS one FROM "users" WHERE "users"."email" = ? LIMIT ? [["email", ""], ["LIMIT", 1]]
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(0.1ms) rollback transaction
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=> false
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irb(main):005:0> user1 = User.new(name:'あああ',email:'1@gmail.com')
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=> #<User id: nil, name: "あああ", email: "1@gmail.com", created_at: nil, updated_at: nil>
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irb(main):006:0> user1.save
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(0.1ms) begin transaction
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User Exists? (0.1ms) SELECT 1 AS one FROM "users" WHERE "users"."email" = ? LIMIT ? [["email", "1@gmail.com"], ["LIMIT", 1]]
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User Create (1.0ms) INSERT INTO "users" ("name", "email", "created_at", "updated_at") VALUES (?, ?, ?, ?) [["name", "あああ"], ["email", "1@gmail.com"], ["created_a "2020-03-09 11:46:44.041319"], ["updated_at", "2020-03-09 11:46:44.041319"]]
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(0.9ms) commit transaction
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=> true
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irb(main):007:0> user1 = User.new(name:'iii',email:'1@gmail.com')
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=> #<User id: nil, name: "iii", email: "1@gmail.com", created_at: nil, updated_at: nil>
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irb(main):008:0> user1.save
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(0.1ms) begin transaction
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User Exists? (0.2ms) SELECT 1 AS one FROM "users" WHERE "users"."email" = ? LIMIT ? [["email", "1@gmail.com"], ["LIMIT", 1]]
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(0.0ms) rollback transaction
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=> false
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```
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2
追記
test
CHANGED
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@@ -43,3 +43,7 @@
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43
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```
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期待する動きとなっているので、バリデーション自体は問題ないかと思います。
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1
実行結果追記
test
CHANGED
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@@ -22,4 +22,24 @@
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22
22
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---
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27
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とりあえず実行してみました。
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29
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```ruby
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30
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31
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rails new test-app
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32
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33
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rails model name:string email:string
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rails db:migrate
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36
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25
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-
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#作成されたapp/models/user.rbに上記バリデーションを追加
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rails c
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```
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