24 行
		
	
	
	
		
			500 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
		
		
			
		
	
	
			24 行
		
	
	
	
		
			500 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
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								<?php defined('BASEPATH') OR exit('No direct script access allowed');
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								class Migration_add_dxcc_prefixes_start_end extends CI_Migration {
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								  public function up(){
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								    $fields = (array(
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								      'start' => array(
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								        'type' => 'date',
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								        'Null' => TRUE
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								      ),
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								      'end' => array(
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								        'type' => 'date',
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								        'Null' => TRUE
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								      ),
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								    ));
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								    $this->dbforge->add_column('dxcc_prefixes', $fields);
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								  }
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								  public function down(){
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								    $this->dbforge->drop_table('dxcc_prefixes');
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								  }
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								}
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