Fix ActiveRecord::Base.quote_bound_value for ActiveSupper::Multibyte::Chars values.

- Adds String#acts_like_string?
- Adds Chars#acts_like_string?

Signed-off-by: Michael Koziarski <michael@koziarski.com>
[#1029 state:committed]

1 files changed, 1 insertions, 1 deletions

diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index fc6d762fcd..91b69747e0 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -2152,7 +2152,7 @@ module ActiveRecord #:nodoc:
         end
 
         def quote_bound_value(value) #:nodoc:
-          if value.respond_to?(:map) && !value.is_a?(String)
+          if value.respond_to?(:map) && !value.acts_like?(:string)
             if value.respond_to?(:empty?) && value.empty?
               connection.quote(nil)
             else