From c52df44784308e5d3cd608566fd9a3514ce28959 Mon Sep 17 00:00:00 2001
From: Alex Lin <ww2lin@gmail.com>
Date: Mon, 24 Mar 2014 23:42:27 -0400
Subject: Removed all the fiels in lib/arel/visitors/ which needs dependency on
 'a' also fixed the test case for : test/visitors/test_to_sql.rb:22 which pass
 in the parameter attribute e.g the parameter a.

---
 lib/arel/visitors/mysql.rb | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

(limited to 'lib/arel/visitors/mysql.rb')

diff --git a/lib/arel/visitors/mysql.rb b/lib/arel/visitors/mysql.rb
index ec9d91f8ce..3b911e826f 100644
--- a/lib/arel/visitors/mysql.rb
+++ b/lib/arel/visitors/mysql.rb
@@ -2,19 +2,19 @@ module Arel
   module Visitors
     class MySQL < Arel::Visitors::ToSql
       private
-      def visit_Arel_Nodes_Union o, a, suppress_parens = false
+      def visit_Arel_Nodes_Union o, suppress_parens = false
         left_result = case o.left
                       when Arel::Nodes::Union
-                        visit_Arel_Nodes_Union o.left, a, true
+                        visit_Arel_Nodes_Union o.left, true
                       else
-                        visit o.left, a
+                        visit o.left
                       end
 
         right_result = case o.right
                        when Arel::Nodes::Union
-                         visit_Arel_Nodes_Union o.right, a, true
+                         visit_Arel_Nodes_Union o.right, true
                        else
-                         visit o.right, a
+                         visit o.right
                        end
 
         if suppress_parens
@@ -24,32 +24,32 @@ module Arel
         end
       end
 
-      def visit_Arel_Nodes_Bin o, a
-        "BINARY #{visit o.expr, a}"
+      def visit_Arel_Nodes_Bin o
+        "BINARY #{visit o.expr}"
       end
 
       ###
       # :'(
       # http://dev.mysql.com/doc/refman/5.0/en/select.html#id3482214
-      def visit_Arel_Nodes_SelectStatement o, a
+      def visit_Arel_Nodes_SelectStatement o
         if o.offset && !o.limit
           o.limit = Arel::Nodes::Limit.new(Nodes.build_quoted(18446744073709551615))
         end
         super
       end
 
-      def visit_Arel_Nodes_SelectCore o, a
+      def visit_Arel_Nodes_SelectCore o
         o.froms ||= Arel.sql('DUAL')
         super
       end
 
-      def visit_Arel_Nodes_UpdateStatement o, a
+      def visit_Arel_Nodes_UpdateStatement o
         [
-          "UPDATE #{visit o.relation, a}",
-          ("SET #{o.values.map { |value| visit value, a }.join ', '}" unless o.values.empty?),
-          ("WHERE #{o.wheres.map { |x| visit x, a }.join ' AND '}" unless o.wheres.empty?),
-          ("ORDER BY #{o.orders.map { |x| visit x, a }.join(', ')}" unless o.orders.empty?),
-          (visit(o.limit, a) if o.limit),
+          "UPDATE #{visit o.relation}",
+          ("SET #{o.values.map { |value| visit value }.join ', '}" unless o.values.empty?),
+          ("WHERE #{o.wheres.map { |x| visit x }.join ' AND '}" unless o.wheres.empty?),
+          ("ORDER BY #{o.orders.map { |x| visit x }.join(', ')}" unless o.orders.empty?),
+          (visit(o.limit) if o.limit),
         ].compact.join ' '
       end
 
-- 
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