29 行
		
	
	
	
		
			736 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			29 行
		
	
	
	
		
			736 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
|  | <?php | ||
|  | 
 | ||
|  | defined('BASEPATH') OR exit('No direct script access allowed'); | ||
|  | 
 | ||
|  | /** | ||
|  |  * Class Migration_add_propmode_to_cat | ||
|  |  * | ||
|  |  * Creates a varchar column in CAT table that holds value of propagation mode | ||
|  |  *  | ||
|  |  */ | ||
|  | 
 | ||
|  | class Migration_add_propmode_to_cat extends CI_Migration { | ||
|  | 
 | ||
|  |         public function up() | ||
|  |         { | ||
|  |                 if (!$this->db->field_exists('prop_mode', 'cat')) { | ||
|  |                         $fields = array( | ||
|  |                                 'prop_mode VARCHAR(10) DEFAULT NULL', | ||
|  |                         ); | ||
|  |                         $this->dbforge->add_column('cat', $fields, 'sat_name'); | ||
|  |                 } | ||
|  |         } | ||
|  | 
 | ||
|  |         public function down() | ||
|  |         { | ||
|  |                 $this->dbforge->drop_column('cat', 'propmode'); | ||
|  |         } | ||
|  | } |