Module ActiveRecord::ConnectionAdapters::Quoting
In: activerecord/lib/active_record/connection_adapters/abstract/quoting.rb

Methods

Public Instance methods

Quotes the column value to help prevent SQL injection attacks.

[Source]

# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 6
      def quote(value, column = nil)
        # records are quoted as their primary key
        return value.quoted_id if value.respond_to?(:quoted_id)

        case value
          when String, ActiveSupport::Multibyte::Chars
            value = value.to_s
            if column && column.type == :binary && column.class.respond_to?(:string_to_binary)
              "#{quoted_string_prefix}'#{quote_string(column.class.string_to_binary(value))}'" # ' (for ruby-mode)
            elsif column && [:integer, :float].include?(column.type)
              value = column.type == :integer ? value.to_i : value.to_f
              value.to_s
            else
              "#{quoted_string_prefix}'#{quote_string(value)}'" # ' (for ruby-mode)
            end
          when NilClass                 then "NULL"
          when TrueClass                then (column && column.type == :integer ? '1' : quoted_true)
          when FalseClass               then (column && column.type == :integer ? '0' : quoted_false)
          when Float, Fixnum, Bignum    then value.to_s
          # BigDecimals need to be output in a non-normalized form and quoted.
          when BigDecimal               then value.to_s('F')
          else
            if value.acts_like?(:date) || value.acts_like?(:time)
              "'#{quoted_date(value)}'"
            else
              "#{quoted_string_prefix}'#{quote_string(value.to_yaml)}'"
            end
        end
      end

Returns a quoted form of the column name. This is highly adapter specific.

[Source]

# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 44
      def quote_column_name(name)
        name
      end

Quotes a string, escaping any ’ (single quote) and \ (backslash) characters.

[Source]

# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 38
      def quote_string(s)
        s.gsub(/\\/, '\&\&').gsub(/'/, "''") # ' (for ruby-mode)
      end

[Source]

# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 56
      def quoted_date(value)
        value.to_s(:db)
      end

[Source]

# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 52
      def quoted_false
        "'f'"
      end

[Source]

# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 60
      def quoted_string_prefix
        ''
      end

[Source]

# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 48
      def quoted_true
        "'t'"
      end

[Validate]