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Bajena/gist.rb

Created January 27, 2019 21:23
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Rails joins
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gist.rb
Post.joins(:users).where(users: { country_code: 'PL' }).map { |post| post.title }
# SELECT "posts".* FROM "posts" INNER JOIN "users" ON "posts"."user_id" = "users"."id" WHERE "users"."country_code" = $1
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