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Moriya-Taichi avatar Moriya-Taichi commented on July 30, 2024

FMDBに関しては必要ない気がする

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Moriya-Taichi avatar Moriya-Taichi commented on July 30, 2024

Transactionを貼ったとしてもCreateを何回も投げるのはあれなので
更新対象のpublisher_idでfetchして差分を取得、insertとdeleteでいい気がする
そもそも多対多でbook - publisher_book - publisherの方がいいのではと言ってはいけない

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Moriya-Taichi avatar Moriya-Taichi commented on July 30, 2024

Createに関してはそもそもpublisherに属しているから存在しているかの確認は必要ない
Updateに関しては上記の確認が必要
publisherのdelete時にはWHERE publisher_id = hoge で全て消す
これで問題ないと思う

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Moriya-Taichi avatar Moriya-Taichi commented on July 30, 2024

実装した

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