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NestJS+Sequelizeで一括upsertする方法

Posted at

bulkCreateでできます!

bulkCreateは一括insert用なのですが、updateOnDuplicateを指定することでPrimaryKeyが重複した場合に、指定したカラムのみを更新することが可能です。

bulkCreate - sequelize

this.repo.bulkCreate(records, {
    updateOnDuplicate: [
        name,
        updated_by,
    ],
});
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