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  1: <?php
  2: 
  3: /**
  4:  * This file is part of the Nette Framework (http://nette.org)
  5:  * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
  6:  */
  7: 
  8: namespace Nette\Database\Drivers;
  9: 
 10: use Nette;
 11: 
 12: 
 13: /**
 14:  * Supplemental MS SQL database driver.
 15:  *
 16:  * @author     David Grudl
 17:  */
 18: class MsSqlDriver extends Nette\Object implements Nette\Database\ISupplementalDriver
 19: {
 20:     /** @var Nette\Database\Connection */
 21:     private $connection;
 22: 
 23: 
 24:     public function __construct(Nette\Database\Connection $connection, array $options)
 25:     {
 26:         $this->connection = $connection;
 27:     }
 28: 
 29: 
 30:     /********************* SQL ****************d*g**/
 31: 
 32: 
 33:     /**
 34:      * Delimites identifier for use in a SQL statement.
 35:      */
 36:     public function delimite($name)
 37:     {
 38:         // @see http://msdn.microsoft.com/en-us/library/ms176027.aspx
 39:         return '[' . str_replace(array('[', ']'), array('[[', ']]'), $name) . ']';
 40:     }
 41: 
 42: 
 43:     /**
 44:      * Formats boolean for use in a SQL statement.
 45:      */
 46:     public function formatBool($value)
 47:     {
 48:         return $value ? '1' : '0';
 49:     }
 50: 
 51: 
 52:     /**
 53:      * Formats date-time for use in a SQL statement.
 54:      */
 55:     public function formatDateTime(\DateTime $value)
 56:     {
 57:         return $value->format("'Y-m-d H:i:s'");
 58:     }
 59: 
 60: 
 61:     /**
 62:      * Encodes string for use in a LIKE statement.
 63:      */
 64:     public function formatLike($value, $pos)
 65:     {
 66:         $value = strtr($value, array("'" => "''", '%' => '[%]', '_' => '[_]', '[' => '[[]'));
 67:         return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
 68:     }
 69: 
 70: 
 71:     /**
 72:      * Injects LIMIT/OFFSET to the SQL query.
 73:      */
 74:     public function applyLimit(& $sql, $limit, $offset)
 75:     {
 76:         if ($limit >= 0) {
 77:             $sql = 'SELECT TOP ' . (int) $limit . ' * FROM (' . $sql . ') t';
 78:         }
 79: 
 80:         if ($offset) {
 81:             throw new Nette\NotImplementedException('Offset is not implemented.');
 82:         }
 83:     }
 84: 
 85: 
 86:     /**
 87:      * Normalizes result row.
 88:      */
 89:     public function normalizeRow($row, $statement)
 90:     {
 91:         return $row;
 92:     }
 93: 
 94: 
 95:     /********************* reflection ****************d*g**/
 96: 
 97: 
 98:     /**
 99:      * Returns list of tables.
100:      */
101:     public function getTables()
102:     {
103:         throw new Nette\NotImplementedException;
104:     }
105: 
106: 
107:     /**
108:      * Returns metadata for all columns in a table.
109:      */
110:     public function getColumns($table)
111:     {
112:         throw new Nette\NotImplementedException;
113:     }
114: 
115: 
116:     /**
117:      * Returns metadata for all indexes in a table.
118:      */
119:     public function getIndexes($table)
120:     {
121:         throw new Nette\NotImplementedException;
122:     }
123: 
124: 
125:     /**
126:      * Returns metadata for all foreign keys in a table.
127:      */
128:     public function getForeignKeys($table)
129:     {
130:         throw new Nette\NotImplementedException;
131:     }
132: 
133: 
134:     /**
135:      * @return bool
136:      */
137:     public function isSupported($item)
138:     {
139:         return $item === self::SUPPORT_COLUMNS_META;
140:     }
141: 
142: }
143: 
Nette Framework 2.0.15 API API documentation generated by ApiGen 2.8.0