21 lines
544 B
Ruby
21 lines
544 B
Ruby
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class EnsureArticleForArticlePrice < ActiveRecord::Migration
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class ArticlePrice < ActiveRecord::Base; end
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def change
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reversible do |dir|
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dir.up do
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execute <<-SQL
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UPDATE article_prices SET article_id = (
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SELECT article_id FROM order_articles
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WHERE article_price_id = article_prices.id
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)
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WHERE article_id IS NULL
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SQL
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ArticlePrice.where(article_id: nil).destroy_all
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end
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end
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change_column_null :article_prices, :article_id, false
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end
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end
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