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UPDATE文のWHERE句を手書きしたいがSET句は自動設定したいという要望に応える機能です。
次のように記述できます。
この機能のポイントは次のものです。
/*%populate */
からWHERE句までが自動で置き換えられるpupulate
ではなくvalues
というキーワードを使う案もあったが、式コメント内ではSQLの文脈と異なるキーワードを使ったほうがわかりやすいと判断@Update(sqlFile = false)
のときと全く同じ@Update
のignoreVersion
やsuppressOptimisticLockException
等の要素も有効/*%populate */
は@Update(sqlFile = true)
のときだけでなく@BatchUpdate(sqlFile = true)
のときも使える