1: <?php
 2: 
 3: class AddCurrentPidToSchedulingShellCallLogs extends CakeMigration {
 4: 
 5:     /**
 6:      * Migration description
 7:      *
 8:      * @var string
 9:      * @access public
10:      */
11:     public $description = '';
12: 
13:     /**
14:      * Actions to be performed
15:      *
16:      * @var array $migration
17:      * @access public
18:      */
19:     public $migration = array(
20:         'up' => array(
21:             'create_field' => array(
22:                 'scheduling_shell_call_logs' => array(
23:                     'current_pid' => array('type' => 'integer', 'null' => true, 'default' => NULL),                    
24:                 ),
25:             ),
26:         ),
27:         'down' => array(
28:             'drop_field' => array(
29:                 'scheduling_shell_call_logs' => array(
30:                     'current_pid',
31:                 ),
32:             ),
33:         ),
34:     );
35: 
36:     /**
37:      * Before migration callback
38:      *
39:      * @param string $direction, up or down direction of migration process
40:      * @return boolean Should process continue
41:      * @access public
42:      */
43:     public function before($direction) {
44:         return true;
45:     }
46: 
47:     /**
48:      * After migration callback
49:      *
50:      * @param string $direction, up or down direction of migration process
51:      * @return boolean Should process continue
52:      * @access public
53:      */
54:     public function after($direction) {
55:         return true;
56:     }
57: 
58: }
59: