interface/modules/zend_modules/library/Zend/Db/Sql/Ddl/DropTable.php

   1 <?php
   2 /**
   3  * Zend Framework (http://framework.zend.com/)
   4  *
   5  * @link      http://github.com/zendframework/zf2 for the canonical source repository
   6  * @copyright Copyright (c) 2005-2013 Zend Technologies USA Inc. (http://www.zend.com)
   7  * @license   http://framework.zend.com/license/new-bsd New BSD License
   8  */
   9
  10 namespace Zend\Db\Sql\Ddl;
  11
  12 use Zend\Db\Adapter\Platform\PlatformInterface;
  13 use Zend\Db\Adapter\Platform\Sql92 as AdapterSql92Platform;
  14 use Zend\Db\Sql\AbstractSql;
  15
  16 class DropTable extends AbstractSql implements SqlInterface
  17 {
  18     const TABLE = 'table';
  19
  20     /**
  21      * @var array
  22      */
  23     protected $specifications = array(
  24         self::TABLE => 'DROP TABLE %1$s'
  25     );
  26
  27     /**
  28      * @var string
  29      */
  30     protected $table = '';
  31
  32     /**
  33      * @param string $table
  34      */
  35     public function __construct($table = '')
  36     {
  37         $this->table = $table;
  38     }
  39
  40     /**
  41      * @param  null|PlatformInterface $adapterPlatform
  42      * @return string
  43      */
  44     public function getSqlString(PlatformInterface $adapterPlatform = null)
  45     {
  46         // get platform, or create default
  47         $adapterPlatform = ($adapterPlatform) ?: new AdapterSql92Platform;
  48
  49         $sqls       = array();
  50         $parameters = array();
  51
  52         foreach ($this->specifications as $name => $specification) {
  53             $parameters[$name] = $this->{'process' . $name}(
  54                 $adapterPlatform,
  55                 null,
  56                 null,
  57                 $sqls,
  58                 $parameters
  59             );
  60
  61             if ($specification && is_array($parameters[$name])) {
  62                 $sqls[$name] = $this->createSqlFromSpecificationAndParameters(
  63                     $specification,
  64                     $parameters[$name]
  65                 );
  66             }
  67         }
  68
  69         $sql = implode(' ', $sqls);
  70         return $sql;
  71     }
  72
  73     protected function processTable(PlatformInterface $adapterPlatform = null)
  74     {
  75         return array($adapterPlatform->quoteIdentifier($this->table));
  76     }
  77 }