| Module | ActiveRecord::ConnectionAdapters::Quoting |
| In: |
activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
|
Quotes the column value to help prevent SQL injection attacks.
# 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.
# 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.
# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 38 def quote_string(s) s.gsub(/\\/, '\&\&').gsub(/'/, "''") # ' (for ruby-mode) end
# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 56 def quoted_date(value) value.to_s(:db) end
# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 52 def quoted_false "'f'" end
# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 60 def quoted_string_prefix '' end