Added expansion columns to mysql schema.

Install/MySql/cafevariome.sql

@@ -3,7 +3,7 @@
 -- https://www.phpmyadmin.net/
 --
 -- Host: localhost:3306
--- Generation Time: Feb 19, 2022 at 08:09 PM
+-- Generation Time: Mar 04, 2022 at 12:13 AM
 -- Server version: 5.7.37-0ubuntu0.18.04.1
 -- PHP Version: 8.0.15
 
@@ -291,6 +291,9 @@ CREATE TABLE `pipelines` (
   `subject_id_attribute_name` varchar(100) NOT NULL,
   `subject_id_assignment_batch_size` int(11) NOT NULL DEFAULT '1',
   `subject_id_prefix` varchar(16) NOT NULL,
+  `expansion_columns` varchar(50) NOT NULL,
+  `expansion_policy` tinyint(4) DEFAULT NULL,
+  `expansion_attribute_name` varchar(200) DEFAULT NULL,
   `grouping` tinyint(4) NOT NULL DEFAULT '0',
   `group_columns` varchar(200) DEFAULT NULL,
   `dateformat` tinyint(4) DEFAULT NULL,