20 lines
641 B
Ruby
20 lines
641 B
Ruby
class UpdateAliasedImplicationAntecedents < ActiveRecord::Migration
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def change
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execute "set statement_timeout = 0"
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TagImplication.find_each do |ti|
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ta = TagAlias.where("antecedent_name = ? AND status != ?", ti.antecedent_name, "pending").first
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if ta
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if ta.consequent_name == ti.consequent_name
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ti.destroy
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elsif TagImplication.where("antecedent_name = ? AND consequent_name = ?", ta.consequent_name, ti.consequent_name).exists?
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ti.destroy
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else
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ti.antecedent_name = ta.consequent_name
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ti.save
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end
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ta.update_posts
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end
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end
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end
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end
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