Revert "Remove redundant code"

[rails.git] / lib / migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index 7549add2abfb7e5623a23dbd26f8981c0e4ab6a2..baa7faecde3703d438548bb6c210ad812434d682 100644 (file)
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -87,18 +87,23 @@ module ActiveRecord
         @enumerations ||= Hash.new
       end
 
-      def create_enumeration (enumeration_name, values)
+      def create_enumeration(enumeration_name, values)
         enumerations[enumeration_name] = values
-        execute "create type #{enumeration_name} as enum ('#{values.join '\',\''}')"
+        execute "CREATE TYPE #{enumeration_name} AS ENUM ('#{values.join '\',\''}')"
       end
 
-      def drop_enumeration (enumeration_name)
-        execute "drop type #{enumeration_name}"
+      def drop_enumeration(enumeration_name)
+        execute "DROP TYPE #{enumeration_name}"
         enumerations.delete(enumeration_name)
       end
 
+      def rename_enumeration(old_name, new_name)
+        execute "ALTER TYPE #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
+      end
+
       def alter_primary_key(table_name, new_columns)
-        execute "alter table #{table_name} drop constraint #{table_name}_pkey; alter table #{table_name} add primary key (#{new_columns.join(',')})"
+        execute "ALTER TABLE #{table_name} DROP CONSTRAINT #{table_name}_pkey"
+        execute "ALTER TABLE #{table_name} ADD PRIMARY KEY (#{new_columns.join(',')})"
       end
 
       def interval_constant(interval)
@@ -125,6 +130,10 @@ module ActiveRecord
 
         execute "CREATE #{index_type} INDEX #{quote_column_name(index_name)} ON #{quote_table_name(table_name)} USING #{index_method} (#{quoted_column_names})"
       end
+
+      def rename_index(table_name, old_name, new_name)
+        execute "ALTER INDEX #{quote_table_name(old_name)} RENAME TO #{quote_table_name(new_name)}"
+      end
     end
   end
 end