Merge pull request mbleigh#461 from developer88/master

Fix : Move 'Distinct' out of select string and use .uniq instead

CHANGELOG.md

@@ -14,6 +14,7 @@ As such, a _Feature_ would map to either major or minor. A _bug fix_ to a patch.
   * [@bzbnhang #440 Did not respect strict_case_match](https://github.com/mbleigh/acts-as-taggable-on/pull/440)
   * [@znz #456 Fix breaking encoding of tag](https://github.com/mbleigh/acts-as-taggable-on/pull/456)
   * [@rgould #417 Let '.count' work when tagged_with is accompanied by a group clause](https://github.com/mbleigh/acts-as-taggable-on/pull/417)
+  * [@developer88 #461 Move 'Distinct' out of select string and use .uniq instead](https://github.com/mbleigh/acts-as-taggable-on/pull/461)
 * Misc
   * [@billychan #463 Thread safe support](https://github.com/mbleigh/acts-as-taggable-on/pull/463)
   * [@billychan #386 Add parse:true instructions to README](https://github.com/mbleigh/acts-as-taggable-on/pull/386)

lib/acts_as_taggable_on/acts_as_taggable_on/core.rb

@@ -141,7 +141,7 @@ def tagged_with(tags, options = {})
 
           # don't need to sanitize sql, map all ids and join with OR logic
           conditions << tags.map { |t| "#{taggings_alias}.tag_id = #{quote_value(t.id, nil)}" }.join(" OR ")
-          select_clause = "DISTINCT #{table_name}.*" unless context and tag_types.one?
+          select_clause = " #{table_name}.*" unless context and tag_types.one?
 
           if owned_by
               tagging_join << " AND " +
@@ -200,13 +200,15 @@ def tagged_with(tags, options = {})
 
         order_by << options[:order] if options[:order].present?
 
-        select(select_clause).
+        request = select(select_clause).
           joins(joins.join(" ")).
           where(conditions.join(" AND ")).
           group(group).
           having(having).
           order(order_by.join(", ")).
           readonly(false)
+
+        ((context and tag_types.one?) && options.delete(:any)) ? request : request.uniq
       end
 
       def is_taggable?