Add rename_table to mysql, sqlite and postgres adapters for use in migrations

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2477 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 4 insertions, 0 deletions

diff --git a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
index 9f38dabdcc..d56e1f90da 100755
--- a/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/mysql_adapter.rb
@@ -258,6 +258,10 @@ module ActiveRecord
       def create_table(name, options = {}) #:nodoc:
         super(name, {:options => "ENGINE=InnoDB"}.merge(options))
       end
+      
+      def rename_table(name, new_name)
+        execute "RENAME TABLE #{name} TO #{new_name}"
+      end  
 
       def change_column_default(table_name, column_name, default) #:nodoc:
         current_type = select_one("SHOW COLUMNS FROM #{table_name} LIKE '#{column_name}'")["Type"]