Add support for Microsoft SQL Server

CHANGELOG.md

@@ -1,3 +1,7 @@
+### 0.6.0 
+
+* Adding support for Microsoft SQL Server
+
 ### 0.5.0
 
 * Adding ```order_by_rand``` and ```order_by_rand_weighted``` scopes
@@ -14,4 +18,4 @@
 ### 0.3.0
 
 * Added random_weighted() (thanks mceachen)
-* Added random_by_id_shuffle() to fix issue with uniq in postgres and provide some options
+* Added random_by_id_shuffle() to fix issue with uniq in postgres and provide some options

lib/randumb/syntax.rb

@@ -31,6 +31,8 @@ def random_for(opts)
           random_for_sqlite(opts)
         elsif adapter_name =~ /(postgres|postgis)/i
           random_for_postgres(opts)
+        elsif adapter_name =~ /mssql/i
+          random_for_mssql(opts)
         elsif adapter_name =~ /mysql/i
           random_for_mysql(opts)
         else
@@ -69,6 +71,10 @@ def random_for_postgres(opts)
         "RANDOM()"
       end
 
+      def random_for_mssql(opts)
+        "NEWID()"
+      end
+
       def random_for_mysql(opts)
         if seed = opts[:seed]
           "RAND(#{seed.to_i})"

lib/randumb/version.rb

@@ -1,3 +1,3 @@
 module Randumb
-  VERSION = "0.5.0"
+  VERSION = "0.6.0"
 end