34 行
		
	
	
		
			无行尾
		
	
	
		
			843 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			34 行
		
	
	
		
			无行尾
		
	
	
		
			843 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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defined('BASEPATH') OR exit('No direct script access allowed');
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/*
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    Creates column service_username in table thirdparty_logins
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*/
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class Migration_add_service_username extends CI_Migration {
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    public function up()
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    {
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        if ($this->db->table_exists('thirdparty_logins')) {
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            $fields = array(
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                'service_username' => array(
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                    'type' => 'VARCHAR',
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                    'constraint' => '255',
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                    'null' => TRUE
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                )
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            );
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            if (!$this->db->field_exists('service_username', 'thirdparty_logins')) {
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                $this->dbforge->add_column('thirdparty_logins', $fields);
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            }
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        }
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    }
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    public function down()
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    {
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        $this->dbforge->drop_column('thirdparty_logins', 'service_username');
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    }
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} |