16 行
		
	
	
	
		
			439 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			16 行
		
	
	
	
		
			439 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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// Create migration that makes the submode column in the logbook table an index
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class Migration_extend_default_qsl  extends CI_Migration
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{
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    public function up()
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    {
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        $this->db->query("ALTER TABLE `users` CHANGE COLUMN `user_default_confirmation` `user_default_confirmation` VARCHAR(4) NULL DEFAULT NULL");
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    }
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    public function down()
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    {
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        //the down function can be empty here, but we need one. 
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    }
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}
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