Agregar índices únicos que pensábamos que teníamos
`unique: true` es un parámetro de `add_index` no de `add_column`.
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db/migrate/20210926205448_add_uniqueness.rb
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db/migrate/20210926205448_add_uniqueness.rb
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# frozen_string_literal: true
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# Agrega índices únicos que pensábamos que ya existían.
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class AddUniqueness < ActiveRecord::Migration[6.1]
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def change
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add_index :designs, :name, unique: true
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add_index :designs, :gem, unique: true
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add_index :licencias, :name, unique: true
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end
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end
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