From aef9a4bfbd07f7d859dccbcf9d01578f1f611d4b Mon Sep 17 00:00:00 2001
From: Kyle Rippey <kyle@avvo.com>
Date: Sun, 26 May 2013 15:31:49 -0700
Subject: Minor refactor of ActiveRecord::SchemaMigration to remove references
 to Base, override table_exists method, and switch to preferred style for
 class method definitions.

---
 activerecord/lib/active_record/schema_migration.rb | 42 ++++++++++++----------
 1 file changed, 24 insertions(+), 18 deletions(-)

(limited to 'activerecord/lib/active_record')

diff --git a/activerecord/lib/active_record/schema_migration.rb b/activerecord/lib/active_record/schema_migration.rb
index 6077144265..fee19b1096 100644
--- a/activerecord/lib/active_record/schema_migration.rb
+++ b/activerecord/lib/active_record/schema_migration.rb
@@ -4,31 +4,37 @@ require 'active_record/base'
 
 module ActiveRecord
   class SchemaMigration < ActiveRecord::Base
+    class << self
 
-    def self.table_name
-      "#{Base.table_name_prefix}schema_migrations#{Base.table_name_suffix}"
-    end
+      def table_name
+        "#{table_name_prefix}schema_migrations#{table_name_suffix}"
+      end
 
-    def self.index_name
-      "#{Base.table_name_prefix}unique_schema_migrations#{Base.table_name_suffix}"
-    end
+      def index_name
+        "#{table_name_prefix}unique_schema_migrations#{table_name_suffix}"
+      end
 
-    def self.create_table(limit=nil)
-      unless connection.table_exists?(table_name)
-        version_options = {null: false}
-        version_options[:limit] = limit if limit
+      def table_exists?
+        connection.table_exists?(table_name)
+      end
+
+      def create_table(limit=nil)
+        unless table_exists?
+          version_options = {null: false}
+          version_options[:limit] = limit if limit
 
-        connection.create_table(table_name, id: false) do |t|
-          t.column :version, :string, version_options
+          connection.create_table(table_name, id: false) do |t|
+            t.column :version, :string, version_options
+          end
+          connection.add_index table_name, :version, unique: true, name: index_name
         end
-        connection.add_index table_name, :version, unique: true, name: index_name
       end
-    end
 
-    def self.drop_table
-      if connection.table_exists?(table_name)
-        connection.remove_index table_name, name: index_name
-        connection.drop_table(table_name)
+      def drop_table
+        if table_exists?
+          connection.remove_index table_name, name: index_name
+          connection.drop_table(table_name)
+        end
       end
     end
 
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