remove indexes before renaming tables (some dbs have database-level index namespaces...

[rails.git] / lib / migrate.rb

diff --git a/lib/migrate.rb b/lib/migrate.rb
index 585b47b1ca624d7bfc2cad06f7dd24432cb8857f..38f8db6b3e28cd40e16e78a46088d7c24264c539 100644 (file)
--- a/lib/migrate.rb
+++ b/lib/migrate.rb
@@ -49,6 +49,7 @@ module ActiveRecord
         types[:bigint_auto_64] = { :name => "bigint(64) DEFAULT NULL auto_increment" }
         types[:bigint_auto_11] = { :name => "bigint(11) DEFAULT NULL auto_increment" }
         types[:bigint_auto_20] = { :name => "bigint(20) DEFAULT NULL auto_increment" }
+        types[:four_byte_unsigned] = { :name=> "integer unsigned NOT NULL" }
         types
       end
 
@@ -85,6 +86,10 @@ module ActiveRecord
       def add_fulltext_index (table_name, column)
         execute "CREATE FULLTEXT INDEX `#{table_name}_#{column}_idx` ON `#{table_name}` (`#{column}`)"
       end
+
+      def alter_column_nwr_enum (table_name, column)
+        execute "alter table #{table_name} change column #{column} #{column} enum('node','way','relation');"
+      end
     end
   end
 end