Increase QTH column for logged QSOs

Fixes #3236

application/config/migration.php

@@ -22,7 +22,7 @@ $config['migration_enabled'] = TRUE;
 |
 */
 
-$config['migration_version'] = 192;
+$config['migration_version'] = 193;
 
 /*
 |--------------------------------------------------------------------------

application/migrations/193_increase_qth_column_size.php

@@ -0,0 +1,31 @@
+<?php
+defined('BASEPATH') or exit('No direct script access allowed');
+
+class Migration_increase_qth_column_size extends CI_Migration
+{
+	public function up()
+	{
+        // In the table defined by varialble $this->config->item('table_name') change COL_QTH	to be varchar 255
+        $this->dbforge->modify_column($this->config->item('table_name'), array(
+            'COL_QTH' => array(
+                'name' => 'COL_QTH',
+                'type' => 'VARCHAR',
+                'constraint' => '255',
+                'null' => TRUE
+            )
+        ));
+	}
+
+	public function down()
+	{
+        // Change it back to 64
+        $this->dbforge->modify_column($this->config->item('table_name'), array(
+            'COL_QTH' => array(
+                'name' => 'COL_QTH',
+                'type' => 'VARCHAR',
+                'constraint' => '64',
+                'null' => TRUE
+            )
+        ));
+	}
+}