1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (https://nette.org)
  5:  * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\Database\Drivers;
  9: 
 10: use Nette;
 11: 
 12: 
 13: /**
 14:  * Supplemental MS SQL database driver.
 15:  */
 16: class MsSqlDriver implements Nette\Database\ISupplementalDriver
 17: {
 18:     use Nette\SmartObject;
 19: 
 20:     public function convertException(\PDOException $e)
 21:     {
 22:         return Nette\Database\DriverException::from($e);
 23:     }
 24: 
 25: 
 26:     /********************* SQL ****************d*g**/
 27: 
 28: 
 29:     public function delimite($name)
 30:     {
 31:         // @see https://msdn.microsoft.com/en-us/library/ms176027.aspx
 32:         return '[' . str_replace(['[', ']'], ['[[', ']]'], $name) . ']';
 33:     }
 34: 
 35: 
 36:     public function formatBool($value)
 37:     {
 38:         return $value ? '1' : '0';
 39:     }
 40: 
 41: 
 42:     public function formatDateTime(/*\DateTimeInterface*/ $value)
 43:     {
 44:         return $value->format("'Y-m-d H:i:s'");
 45:     }
 46: 
 47: 
 48:     public function formatDateInterval(\DateInterval $value)
 49:     {
 50:         throw new Nette\NotSupportedException;
 51:     }
 52: 
 53: 
 54:     public function formatLike($value, $pos)
 55:     {
 56:         $value = strtr($value, ["'" => "''", '%' => '[%]', '_' => '[_]', '[' => '[[]']);
 57:         return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
 58:     }
 59: 
 60: 
 61:     public function applyLimit(&$sql, $limit, $offset)
 62:     {
 63:         if ($offset) {
 64:             throw new Nette\NotSupportedException('Offset is not supported by this database.');
 65: 
 66:         } elseif ($limit < 0) {
 67:             throw new Nette\InvalidArgumentException('Negative offset or limit.');
 68: 
 69:         } elseif ($limit !== null) {
 70:             $sql = preg_replace('#^\s*(SELECT(\s+DISTINCT|\s+ALL)?|UPDATE|DELETE)#i', '$0 TOP ' . (int) $limit, $sql, 1, $count);
 71:             if (!$count) {
 72:                 throw new Nette\InvalidArgumentException('SQL query must begin with SELECT, UPDATE or DELETE command.');
 73:             }
 74:         }
 75:     }
 76: 
 77: 
 78:     public function normalizeRow($row)
 79:     {
 80:         return $row;
 81:     }
 82: 
 83: 
 84:     /********************* reflection ****************d*g**/
 85: 
 86: 
 87:     public function getTables()
 88:     {
 89:         throw new Nette\NotImplementedException;
 90:     }
 91: 
 92: 
 93:     public function getColumns($table)
 94:     {
 95:         throw new Nette\NotImplementedException;
 96:     }
 97: 
 98: 
 99:     public function getIndexes($table)
100:     {
101:         throw new Nette\NotImplementedException;
102:     }
103: 
104: 
105:     public function getForeignKeys($table)
106:     {
107:         throw new Nette\NotImplementedException;
108:     }
109: 
110: 
111:     public function getColumnTypes(\PDOStatement $statement)
112:     {
113:         return Nette\Database\Helpers::detectTypes($statement);
114:     }
115: 
116: 
117:     public function isSupported($item)
118:     {
119:         return $item === self::SUPPORT_SUBSELECT;
120:     }
121: }
122: