Minimal change to query generation of exists? that makes SQLServer an…

…d others happy that do not work without a column alias.
iaddict · May 19, 2011 · 0eae392 · 0eae392
1 parent a921cab
commit 0eae392
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb
@@ -185,7 +185,7 @@ def exists?(id = nil)
 
       join_dependency = construct_join_dependency_for_association_find
       relation = construct_relation_for_association_find(join_dependency)
-      relation = relation.except(:select).select("1").limit(1)
+      relation = relation.except(:select).select("1 AS _one").limit(1)
 
       case id
       when Array, Hash