Move WWFF info from COL_SIG_INFO to new column

application/migrations/096_add_wwff_columns.php

@@ -5,7 +5,8 @@ defined('BASEPATH') OR exit('No direct script access allowed');
 /**
  * Class Migration_add_wwff_columns
  *
- * Add wWFF columnds to database
+ * Add WWFF columnds to database to reflect latest ADIF v3.1.3 spec changes
+ * See http://www.adif.org.uk/313/ADIF_313_annotated.htm
  * 
  */
 
@@ -18,6 +19,14 @@ class Migration_add_wwff_columns extends CI_Migration {
                                 'COL_WWFF_REF VARCHAR(30) DEFAULT NULL',
                         );
                         $this->dbforge->add_column('TABLE_HRD_CONTACTS_V01', $fields, 'COL_VUCC_GRIDS');
+
+                        // Now copy over data from SIG_INFO fields and remove COL_SIG and COL_SIG_INFO only if COL_SIG is WWFF
+                        // This cannot be reverted on downgrade to prevent overwriting of other COL_SIG information
+                        $this->db->set('COL_WWFF_REF', 'COL_SIG_INFO', FALSE);
+                        $this->db->set('COL_SIG_INFO', '');
+                        $this->db->set('COL_SIG', '');
+                        $this->db->where('COL_SIG', 'WWFF');
+                        $this->db->update('TABLE_HRD_CONTACTS_V01');
                 }
         }