be like a duck. Let's not rely on explicit classes, so we can pass proxy objects around and have them interpreted correctly by ActiveRecord's serialization routines

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5953 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

4 files changed, 47 insertions, 31 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
index 0f2008deb5..ce9495a5d2 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/quoting.rb
@@ -24,9 +24,14 @@ module ActiveRecord
           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')
-          when Date                     then "'#{value.to_s}'"
-          when Time, DateTime           then "'#{quoted_date(value)}'"
-          else                          "'#{quote_string(value.to_yaml)}'"
+          else
+            if value.acts_like?(:date)
+              "'#{value.to_s}'"
+            elsif value.acts_like?(:time)
+              "'#{quoted_date(value)}'"
+            else
+              "'#{quote_string(value.to_yaml)}'"
+            end
         end
       end
 
diff --git a/activerecord/lib/active_record/connection_adapters/frontbase_adapter.rb b/activerecord/lib/active_record/connection_adapters/frontbase_adapter.rb
index a6df79ad0d..415e15a588 100644
--- a/activerecord/lib/active_record/connection_adapters/frontbase_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/frontbase_adapter.rb
@@ -375,31 +375,33 @@ module ActiveRecord
                 (column && column.type == :integer ? '0' : quoted_false)
               when Float, Fixnum, Bignum, BigDecimal
                 value.to_s
-              when Time, Date, DateTime
-                if column
-                  case column.type
-                    when :date
+              else
+                if value.acts_like?(:time) || value.acts_like?(:date)
+                  if column
+                    case column.type
+                      when :date
+                        "DATE '#{value.strftime("%Y-%m-%d")}'"
+                      when :time
+                        "TIME '#{value.strftime("%H:%M:%S")}'"
+                      when :timestamp
+                        "TIMESTAMP '#{value.strftime("%Y-%m-%d %H:%M:%S")}'"
+                    else
+                      raise NotImplementedError, "Unknown column type!"
+                    end # case
+                  else # Column wasn't passed in, so try to guess the right type
+                    if value.acts_like?(:date)
                       "DATE '#{value.strftime("%Y-%m-%d")}'"
-                    when :time
-                      "TIME '#{value.strftime("%H:%M:%S")}'"
-                    when :timestamp
-                      "TIMESTAMP '#{value.strftime("%Y-%m-%d %H:%M:%S")}'"
-                  else
-                    raise NotImplementedError, "Unknown column type!"
-                  end # case
-                else # Column wasn't passed in, so try to guess the right type
-                  if value.kind_of? Date
-                    "DATE '#{value.strftime("%Y-%m-%d")}'"
-                  else
-                    if [:hour, :min, :sec].all? {|part| value.send(:part).zero? }
-                      "TIME '#{value.strftime("%H:%M:%S")}'"
                     else
-                      "TIMESTAMP '#{quoted_date(value)}'"
-                    end
-                  end 
-                end #if column
-              else 
-                "'#{quote_string(value.to_yaml)}'"
+                      if [:hour, :min, :sec].all? {|part| value.send(:part).zero? }
+                        "TIME '#{value.strftime("%H:%M:%S")}'"
+                      else
+                        "TIMESTAMP '#{quoted_date(value)}'"
+                      end
+                    end 
+                  end #if column
+                else 
+                  "'#{quote_string(value.to_yaml)}'"
+                end
             end #case
           end
         else
diff --git a/activerecord/lib/active_record/connection_adapters/sqlserver_adapter.rb b/activerecord/lib/active_record/connection_adapters/sqlserver_adapter.rb
index 8a94e55e30..28936f8a89 100644
--- a/activerecord/lib/active_record/connection_adapters/sqlserver_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sqlserver_adapter.rb
@@ -347,9 +347,14 @@ module ActiveRecord
         case value
           when TrueClass             then '1'
           when FalseClass            then '0'
-          when Time, DateTime        then "'#{value.strftime("%Y%m%d %H:%M:%S")}'"
-          when Date                  then "'#{value.strftime("%Y%m%d")}'"
-          else                       super
+          else
+            if value.acts_like?(:time)
+              "'#{value.strftime("%Y%m%d %H:%M:%S")}'"
+            elsif value.acts_like?(:date)
+              "'#{value.strftime("%Y%m%d")}'"
+            else
+              super
+            end
         end
       end
 
diff --git a/activerecord/lib/active_record/connection_adapters/sybase_adapter.rb b/activerecord/lib/active_record/connection_adapters/sybase_adapter.rb
index 708a11b230..45b5d0bc96 100644
--- a/activerecord/lib/active_record/connection_adapters/sybase_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/sybase_adapter.rb
@@ -292,8 +292,12 @@ SQLTEXT
           when TrueClass             then '1'
           when FalseClass            then '0'
           when Float, Fixnum, Bignum then force_numeric?(column) ? value.to_s : "'#{value.to_s}'"
-          when Time, DateTime        then "'#{value.strftime("%Y-%m-%d %H:%M:%S")}'"
-          else                       super
+          else
+            if value.acts_like?(:time)
+              "'#{value.strftime("%Y-%m-%d %H:%M:%S")}'"
+            else
+              super
+            end
         end
       end