method

sanitize_sql_for_order

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What's this?

sanitize_sql_for_order(condition) public

Accepts an array, or string of SQL conditions and sanitizes them into a valid SQL fragment for an ORDER clause.

sanitize_sql_for_order(["field(id, ?)", [1,3,2]])
# => "field(id, 1,3,2)"

sanitize_sql_for_order("id ASC")
# => "id ASC"

Show source

# File activerecord/lib/active_record/sanitization.rb, line 62
      def sanitize_sql_for_order(condition)
        if condition.is_a?(Array) && condition.first.to_s.include?("?")
          disallow_raw_sql!(
            [condition.first],
            permit: connection.column_name_with_order_matcher
          )

          # Ensure we aren't dealing with a subclass of String that might
          # override methods we use (e.g. Arel::Nodes::SqlLiteral).
          if condition.first.kind_of?(String) && !condition.first.instance_of?(String)
            condition = [String.new(condition.first), *condition[1..-1]]
          end

          Arel.sql(sanitize_sql_array(condition))
        else
          condition
        end
      end

sanitize_sql_for_order

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