# File lib/og/adapter/mysql/utils.rb, line 8
 8:   def escape(str)
 9:     return nil unless str
10:     return Mysql.quote(str.to_s)
11:   end

    # File lib/og/adapter/mysql/utils.rb, line 15
15:   def quote(vals)
16:     vals = [vals] unless vals.is_a?(Array)
17:     quoted = vals.inject('') do |s, val|
18:       s += case val
19:         when Fixnum, Integer, Float
20:           val ? val.to_s : 'NULL'
21:         when String
22:           val ? "'#{escape(val)}'" : 'NULL'
23:         when Time
24:           val ? "'#{timestamp(val)}'" : 'NULL'
25:         when Date
26:           val ? "'#{date(val)}'" : 'NULL'
27:         when TrueClass, FalseClass
28:           val ? "'1'" : 'NULL'
29:         else
30:           # gmosx: keep the '' for nil symbols.
31:           val ? escape(val.to_yaml) : ''
32:       end + ','
33:     end
34:     quoted.chop!
35:     vals.size > 1 ? "(#{quoted})" : quoted
36:   end