mirror of
https://github.com/dg/dibi.git
synced 2025-08-06 14:16:39 +02:00
modified SVN properties
This commit is contained in:
David Grudl
@@ -1,364 +1,364 @@
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<?php
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/**
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* dibi - tiny'n'smart database abstraction layer
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* ----------------------------------------------
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*
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* Copyright (c) 2005, 2008 David Grudl (http://davidgrudl.com)
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||||
*
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||||
* This source file is subject to the "dibi license" that is bundled
|
||||
* with this package in the file license.txt.
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||||
*
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||||
* For more information please see http://dibiphp.com/
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*
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* @copyright Copyright (c) 2005, 2008 David Grudl
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* @license http://dibiphp.com/license dibi license
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* @link http://dibiphp.com/
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* @package dibi
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*/
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/**
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* The dibi driver for MS SQL database.
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*
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* Connection options:
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* - 'host' - the MS SQL server host name. It can also include a port number (hostname:port)
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* - 'username' (or 'user')
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* - 'password' (or 'pass')
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* - 'persistent' - try to find a persistent link?
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* - 'database' - the database name to select
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* - 'lazy' - if TRUE, connection will be established only when required
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*
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* @author David Grudl
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* @copyright Copyright (c) 2005, 2008 David Grudl
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* @package dibi
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* @version $Revision$ $Date$
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*/
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class DibiMsSqlDriver extends /*Nette::*/Object implements IDibiDriver
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{
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/**
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* Connection resource.
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* @var resource
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*/
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private $connection;
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/**
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* Resultset resource.
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* @var resource
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*/
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private $resultSet;
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/**
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* @throws DibiException
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*/
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public function __construct()
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{
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if (!extension_loaded('mssql')) {
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throw new DibiDriverException("PHP extension 'mssql' is not loaded.");
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}
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}
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/**
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* Connects to a database.
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*
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* @return void
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* @throws DibiException
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*/
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public function connect(array &$config)
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{
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DibiConnection::alias($config, 'username', 'user');
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DibiConnection::alias($config, 'password', 'pass');
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DibiConnection::alias($config, 'host', 'hostname');
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if (empty($config['persistent'])) {
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$this->connection = @mssql_connect($config['host'], $config['username'], $config['password'], TRUE); // intentionally @
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} else {
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$this->connection = @mssql_pconnect($config['host'], $config['username'], $config['password']); // intentionally @
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}
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if (!is_resource($this->connection)) {
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throw new DibiDriverException("Can't connect to DB.");
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}
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if (isset($config['database']) && !@mssql_select_db($config['database'], $this->connection)) { // intentionally @
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throw new DibiDriverException("Can't select DB '$config[database]'.");
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}
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}
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/**
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* Disconnects from a database.
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*
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* @return void
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*/
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public function disconnect()
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{
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mssql_close($this->connection);
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}
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/**
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* Executes the SQL query.
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*
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* @param string SQL statement.
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* @return IDibiDriver|NULL
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* @throws DibiDriverException
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*/
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public function query($sql)
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{
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$this->resultSet = @mssql_query($sql, $this->connection); // intentionally @
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if ($this->resultSet === FALSE) {
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throw new DibiDriverException('Query error', 0, $sql);
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}
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return is_resource($this->resultSet) ? clone $this : NULL;
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}
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/**
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* Gets the number of affected rows by the last INSERT, UPDATE or DELETE query.
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*
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* @return int|FALSE number of rows or FALSE on error
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*/
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public function affectedRows()
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{
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return mssql_rows_affected($this->connection);
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}
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||||
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/**
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* Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query.
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*
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* @return int|FALSE int on success or FALSE on failure
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||||
*/
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public function insertId($sequence)
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{
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throw new NotSupportedException('MS SQL does not support autoincrementing.');
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}
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||||
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||||
|
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/**
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* Begins a transaction (if supported).
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* @return void
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* @throws DibiDriverException
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*/
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public function begin()
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{
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$this->query('BEGIN TRANSACTION');
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}
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||||
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||||
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/**
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* Commits statements in a transaction.
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* @return void
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* @throws DibiDriverException
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*/
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public function commit()
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{
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$this->query('COMMIT');
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}
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||||
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||||
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/**
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* Rollback changes in a transaction.
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* @return void
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||||
* @throws DibiDriverException
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||||
*/
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public function rollback()
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{
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$this->query('ROLLBACK');
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}
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||||
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||||
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||||
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||||
/**
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* Encodes data for use in an SQL statement.
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*
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* @param string value
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* @param string type (dibi::FIELD_TEXT, dibi::FIELD_BOOL, ...)
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* @return string encoded value
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* @throws InvalidArgumentException
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*/
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public function escape($value, $type)
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{
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switch ($type) {
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case dibi::FIELD_TEXT:
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case dibi::FIELD_BINARY:
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return "'" . str_replace("'", "''", $value) . "'";
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case dibi::IDENTIFIER:
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return '[' . str_replace('.', '].[', $value) . ']';
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case dibi::FIELD_BOOL:
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return $value ? -1 : 0;
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||||
case dibi::FIELD_DATE:
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return date("'Y-m-d'", $value);
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||||
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||||
case dibi::FIELD_DATETIME:
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||||
return date("'Y-m-d H:i:s'", $value);
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||||
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||||
default:
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||||
throw new InvalidArgumentException('Unsupported type.');
|
||||
}
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||||
}
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||||
|
||||
|
||||
|
||||
/**
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||||
* Decodes data from result set.
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||||
*
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||||
* @param string value
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||||
* @param string type (dibi::FIELD_BINARY)
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||||
* @return string decoded value
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||||
* @throws InvalidArgumentException
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||||
*/
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||||
public function unescape($value, $type)
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||||
{
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||||
throw new InvalidArgumentException('Unsupported type.');
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||||
}
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||||
|
||||
|
||||
|
||||
/**
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||||
* Injects LIMIT/OFFSET to the SQL query.
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||||
*
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||||
* @param string &$sql The SQL query that will be modified.
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* @param int $limit
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||||
* @param int $offset
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* @return void
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*/
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public function applyLimit(&$sql, $limit, $offset)
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{
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// offset suppot is missing...
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if ($limit >= 0) {
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$sql = 'SELECT TOP ' . (int) $limit . ' * FROM (' . $sql . ')';
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||||
}
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||||
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||||
if ($offset) {
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||||
throw new NotImplementedException('Offset is not implemented.');
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||||
}
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||||
}
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||||
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||||
|
||||
|
||||
/**
|
||||
* Returns the number of rows in a result set.
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||||
*
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||||
* @return int
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||||
*/
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||||
public function rowCount()
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||||
{
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return mssql_num_rows($this->resultSet);
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||||
}
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||||
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||||
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||||
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||||
/**
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||||
* Fetches the row at current position and moves the internal cursor to the next position.
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||||
* internal usage only
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||||
*
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||||
* @param bool TRUE for associative array, FALSE for numeric
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||||
* @return array array on success, nonarray if no next record
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||||
*/
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||||
public function fetch($type)
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{
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return mssql_fetch_array($this->resultSet, $type ? MSSQL_ASSOC : MSSQL_NUM);
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}
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||||
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||||
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||||
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||||
/**
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||||
* Moves cursor position without fetching row.
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||||
*
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||||
* @param int the 0-based cursor pos to seek to
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* @return boolean TRUE on success, FALSE if unable to seek to specified record
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||||
* @throws DibiException
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||||
*/
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||||
public function seek($row)
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{
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return mssql_data_seek($this->resultSet, $row);
|
||||
}
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||||
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||||
|
||||
|
||||
/**
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||||
* Frees the resources allocated for this result set.
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||||
*
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||||
* @return void
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||||
*/
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public function free()
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||||
{
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mssql_free_result($this->resultSet);
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$this->resultSet = NULL;
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||||
}
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||||
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||||
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||||
|
||||
/**
|
||||
* Returns metadata for all columns in a result set.
|
||||
*
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||||
* @return array
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||||
*/
|
||||
public function getColumnsMeta()
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{
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||||
$count = mssql_num_fields($this->resultSet);
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||||
$meta = array();
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for ($i = 0; $i < $count; $i++) {
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// items 'name' and 'table' are required
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$info = (array) mssql_fetch_field($this->resultSet, $i);
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||||
$info['table'] = $info['column_source'];
|
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$meta[] = $info;
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||||
}
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||||
return $meta;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Returns the connection resource.
|
||||
*
|
||||
* @return mixed
|
||||
*/
|
||||
public function getResource()
|
||||
{
|
||||
return $this->connection;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Returns the result set resource.
|
||||
*
|
||||
* @return mixed
|
||||
*/
|
||||
public function getResultResource()
|
||||
{
|
||||
return $this->resultSet;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Gets a information of the current database.
|
||||
*
|
||||
* @return DibiReflection
|
||||
*/
|
||||
function getDibiReflection()
|
||||
{}
|
||||
|
||||
}
|
||||
<?php
|
||||
|
||||
/**
|
||||
* dibi - tiny'n'smart database abstraction layer
|
||||
* ----------------------------------------------
|
||||
*
|
||||
* Copyright (c) 2005, 2008 David Grudl (http://davidgrudl.com)
|
||||
*
|
||||
* This source file is subject to the "dibi license" that is bundled
|
||||
* with this package in the file license.txt.
|
||||
*
|
||||
* For more information please see http://dibiphp.com
|
||||
*
|
||||
* @copyright Copyright (c) 2005, 2008 David Grudl
|
||||
* @license http://dibiphp.com/license dibi license
|
||||
* @link http://dibiphp.com
|
||||
* @package dibi
|
||||
* @version $Id$
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* The dibi driver for MS SQL database.
|
||||
*
|
||||
* Connection options:
|
||||
* - 'host' - the MS SQL server host name. It can also include a port number (hostname:port)
|
||||
* - 'username' (or 'user')
|
||||
* - 'password' (or 'pass')
|
||||
* - 'persistent' - try to find a persistent link?
|
||||
* - 'database' - the database name to select
|
||||
* - 'lazy' - if TRUE, connection will be established only when required
|
||||
*
|
||||
* @author David Grudl
|
||||
* @copyright Copyright (c) 2005, 2008 David Grudl
|
||||
* @package dibi
|
||||
*/
|
||||
class DibiMsSqlDriver extends /*Nette::*/Object implements IDibiDriver
|
||||
{
|
||||
|
||||
/**
|
||||
* Connection resource.
|
||||
* @var resource
|
||||
*/
|
||||
private $connection;
|
||||
|
||||
|
||||
/**
|
||||
* Resultset resource.
|
||||
* @var resource
|
||||
*/
|
||||
private $resultSet;
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* @throws DibiException
|
||||
*/
|
||||
public function __construct()
|
||||
{
|
||||
if (!extension_loaded('mssql')) {
|
||||
throw new DibiDriverException("PHP extension 'mssql' is not loaded.");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Connects to a database.
|
||||
*
|
||||
* @return void
|
||||
* @throws DibiException
|
||||
*/
|
||||
public function connect(array &$config)
|
||||
{
|
||||
DibiConnection::alias($config, 'username', 'user');
|
||||
DibiConnection::alias($config, 'password', 'pass');
|
||||
DibiConnection::alias($config, 'host', 'hostname');
|
||||
|
||||
if (empty($config['persistent'])) {
|
||||
$this->connection = @mssql_connect($config['host'], $config['username'], $config['password'], TRUE); // intentionally @
|
||||
} else {
|
||||
$this->connection = @mssql_pconnect($config['host'], $config['username'], $config['password']); // intentionally @
|
||||
}
|
||||
|
||||
if (!is_resource($this->connection)) {
|
||||
throw new DibiDriverException("Can't connect to DB.");
|
||||
}
|
||||
|
||||
if (isset($config['database']) && !@mssql_select_db($config['database'], $this->connection)) { // intentionally @
|
||||
throw new DibiDriverException("Can't select DB '$config[database]'.");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Disconnects from a database.
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function disconnect()
|
||||
{
|
||||
mssql_close($this->connection);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Executes the SQL query.
|
||||
*
|
||||
* @param string SQL statement.
|
||||
* @return IDibiDriver|NULL
|
||||
* @throws DibiDriverException
|
||||
*/
|
||||
public function query($sql)
|
||||
{
|
||||
$this->resultSet = @mssql_query($sql, $this->connection); // intentionally @
|
||||
|
||||
if ($this->resultSet === FALSE) {
|
||||
throw new DibiDriverException('Query error', 0, $sql);
|
||||
}
|
||||
|
||||
return is_resource($this->resultSet) ? clone $this : NULL;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Gets the number of affected rows by the last INSERT, UPDATE or DELETE query.
|
||||
*
|
||||
* @return int|FALSE number of rows or FALSE on error
|
||||
*/
|
||||
public function affectedRows()
|
||||
{
|
||||
return mssql_rows_affected($this->connection);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query.
|
||||
*
|
||||
* @return int|FALSE int on success or FALSE on failure
|
||||
*/
|
||||
public function insertId($sequence)
|
||||
{
|
||||
throw new NotSupportedException('MS SQL does not support autoincrementing.');
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Begins a transaction (if supported).
|
||||
* @return void
|
||||
* @throws DibiDriverException
|
||||
*/
|
||||
public function begin()
|
||||
{
|
||||
$this->query('BEGIN TRANSACTION');
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Commits statements in a transaction.
|
||||
* @return void
|
||||
* @throws DibiDriverException
|
||||
*/
|
||||
public function commit()
|
||||
{
|
||||
$this->query('COMMIT');
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Rollback changes in a transaction.
|
||||
* @return void
|
||||
* @throws DibiDriverException
|
||||
*/
|
||||
public function rollback()
|
||||
{
|
||||
$this->query('ROLLBACK');
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Encodes data for use in an SQL statement.
|
||||
*
|
||||
* @param string value
|
||||
* @param string type (dibi::FIELD_TEXT, dibi::FIELD_BOOL, ...)
|
||||
* @return string encoded value
|
||||
* @throws InvalidArgumentException
|
||||
*/
|
||||
public function escape($value, $type)
|
||||
{
|
||||
switch ($type) {
|
||||
case dibi::FIELD_TEXT:
|
||||
case dibi::FIELD_BINARY:
|
||||
return "'" . str_replace("'", "''", $value) . "'";
|
||||
|
||||
case dibi::IDENTIFIER:
|
||||
return '[' . str_replace('.', '].[', $value) . ']';
|
||||
|
||||
case dibi::FIELD_BOOL:
|
||||
return $value ? -1 : 0;
|
||||
|
||||
case dibi::FIELD_DATE:
|
||||
return date("'Y-m-d'", $value);
|
||||
|
||||
case dibi::FIELD_DATETIME:
|
||||
return date("'Y-m-d H:i:s'", $value);
|
||||
|
||||
default:
|
||||
throw new InvalidArgumentException('Unsupported type.');
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Decodes data from result set.
|
||||
*
|
||||
* @param string value
|
||||
* @param string type (dibi::FIELD_BINARY)
|
||||
* @return string decoded value
|
||||
* @throws InvalidArgumentException
|
||||
*/
|
||||
public function unescape($value, $type)
|
||||
{
|
||||
throw new InvalidArgumentException('Unsupported type.');
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Injects LIMIT/OFFSET to the SQL query.
|
||||
*
|
||||
* @param string &$sql The SQL query that will be modified.
|
||||
* @param int $limit
|
||||
* @param int $offset
|
||||
* @return void
|
||||
*/
|
||||
public function applyLimit(&$sql, $limit, $offset)
|
||||
{
|
||||
// offset suppot is missing...
|
||||
if ($limit >= 0) {
|
||||
$sql = 'SELECT TOP ' . (int) $limit . ' * FROM (' . $sql . ')';
|
||||
}
|
||||
|
||||
if ($offset) {
|
||||
throw new NotImplementedException('Offset is not implemented.');
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Returns the number of rows in a result set.
|
||||
*
|
||||
* @return int
|
||||
*/
|
||||
public function rowCount()
|
||||
{
|
||||
return mssql_num_rows($this->resultSet);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Fetches the row at current position and moves the internal cursor to the next position.
|
||||
* internal usage only
|
||||
*
|
||||
* @param bool TRUE for associative array, FALSE for numeric
|
||||
* @return array array on success, nonarray if no next record
|
||||
*/
|
||||
public function fetch($type)
|
||||
{
|
||||
return mssql_fetch_array($this->resultSet, $type ? MSSQL_ASSOC : MSSQL_NUM);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Moves cursor position without fetching row.
|
||||
*
|
||||
* @param int the 0-based cursor pos to seek to
|
||||
* @return boolean TRUE on success, FALSE if unable to seek to specified record
|
||||
* @throws DibiException
|
||||
*/
|
||||
public function seek($row)
|
||||
{
|
||||
return mssql_data_seek($this->resultSet, $row);
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Frees the resources allocated for this result set.
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function free()
|
||||
{
|
||||
mssql_free_result($this->resultSet);
|
||||
$this->resultSet = NULL;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Returns metadata for all columns in a result set.
|
||||
*
|
||||
* @return array
|
||||
*/
|
||||
public function getColumnsMeta()
|
||||
{
|
||||
$count = mssql_num_fields($this->resultSet);
|
||||
$meta = array();
|
||||
for ($i = 0; $i < $count; $i++) {
|
||||
// items 'name' and 'table' are required
|
||||
$info = (array) mssql_fetch_field($this->resultSet, $i);
|
||||
$info['table'] = $info['column_source'];
|
||||
$meta[] = $info;
|
||||
}
|
||||
return $meta;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Returns the connection resource.
|
||||
*
|
||||
* @return mixed
|
||||
*/
|
||||
public function getResource()
|
||||
{
|
||||
return $this->connection;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Returns the result set resource.
|
||||
*
|
||||
* @return mixed
|
||||
*/
|
||||
public function getResultResource()
|
||||
{
|
||||
return $this->resultSet;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**
|
||||
* Gets a information of the current database.
|
||||
*
|
||||
* @return DibiReflection
|
||||
*/
|
||||
function getDibiReflection()
|
||||
{}
|
||||
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user