method

validate

v7.1.3.4 - Show latest stable - 0 notes - Class: ActiveRecord::Migrator

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validate(migrations) private

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# File activerecord/lib/active_record/migration.rb, line 1551
      def validate(migrations)
        name, = migrations.group_by(&:name).find { |_, v| v.length > 1 }
        raise DuplicateMigrationNameError.new(name) if name

        version, = migrations.group_by(&:version).find { |_, v| v.length > 1 }
        raise DuplicateMigrationVersionError.new(version) if version
      end

validate

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