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tochi/201809-bulk_update-1.rb

Last active July 27, 2019 01:50
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201809-bulk_update-1.rb
posts = post_ids.map.with_index(1) do |post_id, i|
post = Post.find(post_id)
post.title = "#{i}つめの記事です"
post
end
self.import(posts, on_duplicate_key_update: { conflict_target: %i(id), columns: %i(title)) })
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