Revert "Merge pull request #253 from corrupt952/master"

This reverts commit 6d3ed6d96c4a3ac85b97d81bad95b7254b2aa2d4, reversing
changes made to a35fede61ac1a2fcff519ad052f2fcb8808922b9.

2 files changed, 3 insertions, 3 deletions

diff --git a/lib/arel/visitors/to_sql.rb b/lib/arel/visitors/to_sql.rb
index 2d81022a7a..84a88e1899 100644
--- a/lib/arel/visitors/to_sql.rb
+++ b/lib/arel/visitors/to_sql.rb
@@ -500,7 +500,7 @@ module Arel
       end
 
       def visit_Arel_Nodes_And o
-        o.children.flatten.map { |x| visit x}.join ' AND '
+        o.children.map { |x| visit x}.join ' AND '
       end
 
       def visit_Arel_Nodes_Or o
diff --git a/test/visitors/test_to_sql.rb b/test/visitors/test_to_sql.rb
index 0a7af91397..b142ecd695 100644
--- a/test/visitors/test_to_sql.rb
+++ b/test/visitors/test_to_sql.rb
@@ -237,9 +237,9 @@ module Arel
       end
 
       it "should visit_Arel_Nodes_And" do
-        node = Nodes::And.new [@attr.eq(10), [@attr.eq(11), @attr.eq(12)]]
+        node = Nodes::And.new [@attr.eq(10), @attr.eq(11)]
         @visitor.accept(node).must_be_like %{
-          "users"."id" = 10 AND "users"."id" = 11 AND "users"."id" = 12
+          "users"."id" = 10 AND "users"."id" = 11
         }
       end