Add usr_affil_abbrev column to users and deleted users tables.

sql/database-create.sql

@@ -365,6 +365,7 @@ CREATE TABLE `deleted_users` (
   `usr_name` tinytext,
   `usr_title` tinytext,
   `usr_affil` tinytext,
+  `usr_affil_abbrev` varchar(16) default NULL,
   `usr_email` tinytext,
   `usr_URL` tinytext,
   `usr_addr` tinytext,
@@ -3255,6 +3256,7 @@ CREATE TABLE `users` (
   `usr_name` tinytext,
   `usr_title` tinytext,
   `usr_affil` tinytext,
+  `usr_affil_abbrev` varchar(16) default NULL,
   `usr_email` tinytext,
   `usr_URL` tinytext,
   `usr_addr` tinytext,

sql/database-migrate.txt

@@ -4476,3 +4476,8 @@ last_net_act,last_cpu_act,last_ext_act);
 	 `plab_name` tinytext NOT NULL,
 	 PRIMARY KEY  (`plc_idx`,`objtype`,`elab_id`)
        ) ENGINE=MyISAM DEFAULT CHARSET=latin1;
+
+4.149: Add usr_affil_abbrev column to users and deleted users tables
+
+       alter table users add usr_affil_abbrev varchar(16) after usr_affil;
+       alter table deleted_users add usr_affil_abbrev varchar(16) after usr_affil;