Methods
Q
Instance Public methods
quote(value, column = nil)

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)
        "'#{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
        "'#{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
        "'#{quote_string(value.to_yaml)}'"
      end
  end
end
quote_column_name(column_name)

Quotes the column name. Defaults to no quoting.

# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 43
def quote_column_name(column_name)
  column_name
end
quote_string(s)

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
quote_table_name(table_name)

Quotes the table name. Defaults to column name quoting.

# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 48
def quote_table_name(table_name)
  quote_column_name(table_name)
end
quoted_date(value)
# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 60
def quoted_date(value)
  value.to_s(:db)
end
quoted_false()
# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 56
def quoted_false
  "'f'"
end
quoted_true()
# File activerecord/lib/active_record/connection_adapters/abstract/quoting.rb, line 52
def quoted_true
  "'t'"
end