2019-04-28 11:56:16 +03:00
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class CreateConflictCounts < ActiveRecord::Migration[4.2]
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2016-10-13 08:59:22 +03:00
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def change
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create_table :conflict_counts do |t|
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t.references :left, index: true
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t.references :right, index: true
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t.integer :number_of_conflicts
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end
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add_index :conflict_counts, [:left_id, :right_id], unique: true
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end
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end
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