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method

_increment_attribute

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v6.0.0 - Show latest stable - 0 notes - Class: ActiveRecord::Relation
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_increment_attribute(attribute, value = 1) private

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# File activerecord/lib/active_record/relation.rb, line 788
      def _increment_attribute(attribute, value = 1)
        bind = predicate_builder.build_bind_attribute(attribute.name, value.abs)
        expr = table.coalesce(Arel::Nodes::UnqualifiedColumn.new(attribute), 0)
        expr = value < 0 ? expr - bind : expr + bind
        expr.expr
      end
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