New type of metadata; annotation.

sql/database-create.sql

@@ -716,7 +716,7 @@ CREATE TABLE `experiment_template_metadata` (
   `metadata_vers` smallint(5) unsigned NOT NULL default '0',
   `internal` tinyint(1) NOT NULL default '0',
   `hidden` tinyint(1) NOT NULL default '0',
-  `metadata_type` enum('tid','template_description','parameter_description') default NULL,
+  `metadata_type` enum('tid','template_description','parameter_description', 'annotation') default NULL,
   PRIMARY KEY  (`parent_guid`,`parent_vers`,`metadata_guid`,`metadata_vers`)
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
 

sql/database-migrate.txt

@@ -3887,3 +3887,10 @@ last_net_act,last_cpu_act,last_ext_act);
        All of the other sql differences are made in the following script:
 
          ./step2_newids.pl
+
+4.105: New type of metadata; annotations on templates, instances,
+       runs.
+
+       alter table experiment_template_metadata change metadata_type
+         metadata_type enum('tid','template_description',
+              'parameter_description', 'annotation') default NULL;