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