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+ untested Oracle driver

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This commit is contained in:
David Grudl
2007-10-02 08:20:36 +00:00
parent ccea418c34
commit eb5b3d9756
7 changed files with 242 additions and 9 deletions
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260
dibi/drivers/mssql.php
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@@ -1,260 +0,0 @@
<?php
/**
* This file is part of the "dibi" project (http://dibi.texy.info/)
*
* @author David Grudl
* @copyright Copyright (c) 2005-2007 David Grudl aka -dgx- (http://www.dgx.cz)
* @license New BSD License
* @version $Revision$ $Date$
* @category Database
* @package Dibi
*/
/**
* The dibi driver for MS SQL database
*
*/
class DibiMsSqlDriver extends DibiDriver
{
public $formats = array(
'TRUE' => "1",
'FALSE' => "0",
'date' => "'Y-m-d'",
'datetime' => "'Y-m-d H:i:s'",
);
/**
* @param array connect configuration
*/
public function __construct($config)
{
if (!isset($config['host'])) $config['host'] = NULL;
if (!isset($config['username'])) $config['username'] = NULL;
if (!isset($config['password'])) $config['password'] = NULL;
parent::__construct($config);
}
protected function connect()
{
if (!extension_loaded('mssql')) {
throw new DibiException("PHP extension 'mssql' is not loaded");
}
$config = $this->getConfig();
if (empty($config['persistent'])) {
$connection = @mssql_connect($config['host'], $config['username'], $config['password'], TRUE);
} else {
$connection = @mssql_pconnect($config['host'], $config['username'], $config['password']);
}
if (!is_resource($connection)) {
throw new DibiDatabaseException("Can't connect to DB");
}
if (!empty($config['database']) && !@mssql_select_db($config['database'], $connection)) {
throw new DibiDatabaseException("Can't select DB '$config[database]'");
}
dibi::notify('connected', $this);
return $connection;
}
protected function doQuery($sql)
{
$res = @mssql_query($sql, $this->getConnection());
if ($res === FALSE) {
throw new DibiDatabaseException('Query error', 0, $sql);
}
return is_resource($res) ? new DibiMSSqlResult($res) : TRUE;
}
public function affectedRows()
{
$rows = mssql_rows_affected($this->getConnection());
return $rows < 0 ? FALSE : $rows;
}
public function insertId()
{
throw new DibiException(__METHOD__ . ' is not implemented');
}
public function begin()
{
$this->doQuery('BEGIN TRANSACTION');
dibi::notify('begin', $this);
}
public function commit()
{
$this->doQuery('COMMIT');
dibi::notify('commit', $this);
}
public function rollback()
{
$this->doQuery('ROLLBACK');
dibi::notify('rollback', $this);
}
public function errorInfo()
{
return array(
'message' => NULL,
'code' => NULL,
);
}
public function escape($value, $appendQuotes = TRUE)
{
$value = str_replace("'", "''", $value);
return $appendQuotes
? "'" . $value . "'"
: $value;
}
public function delimite($value)
{
return '[' . str_replace('.', '].[', $value) . ']';
}
public function getMetaData()
{
throw new DibiException(__METHOD__ . ' is not implemented');
}
/**
* @see DibiDriver::applyLimit()
*/
public function applyLimit(&$sql, $limit, $offset = 0)
{
// offset suppot is missing...
if ($limit >= 0) {
$sql = 'SELECT TOP ' . (int) $limit . ' * FROM (' . $sql . ')';
}
if ($offset) {
throw new DibiException('Offset is not implemented');
}
}
} // DibiMsSqlDriver
class DibiMSSqlResult extends DibiResult
{
public function rowCount()
{
return mssql_num_rows($this->resource);
}
protected function doFetch()
{
return mssql_fetch_assoc($this->resource);
}
public function seek($row)
{
return mssql_data_seek($this->resource, $row);
}
protected function free()
{
mssql_free_result($this->resource);
}
/** this is experimental */
protected function buildMeta()
{
static $types = array(
'CHAR' => dibi::FIELD_TEXT,
'COUNTER' => dibi::FIELD_COUNTER,
'VARCHAR' => dibi::FIELD_TEXT,
'LONGCHAR' => dibi::FIELD_TEXT,
'INTEGER' => dibi::FIELD_INTEGER,
'DATETIME' => dibi::FIELD_DATETIME,
'CURRENCY' => dibi::FIELD_FLOAT,
'BIT' => dibi::FIELD_BOOL,
'LONGBINARY'=> dibi::FIELD_BINARY,
'SMALLINT' => dibi::FIELD_INTEGER,
'BYTE' => dibi::FIELD_INTEGER,
'BIGINT' => dibi::FIELD_INTEGER,
'INT' => dibi::FIELD_INTEGER,
'TINYINT' => dibi::FIELD_INTEGER,
'REAL' => dibi::FIELD_FLOAT,
'DOUBLE' => dibi::FIELD_FLOAT,
'DECIMAL' => dibi::FIELD_FLOAT,
'NUMERIC' => dibi::FIELD_FLOAT,
'MONEY' => dibi::FIELD_FLOAT,
'SMALLMONEY'=> dibi::FIELD_FLOAT,
'FLOAT' => dibi::FIELD_FLOAT,
'YESNO' => dibi::FIELD_BOOL,
// and many others?
);
$count = mssql_num_fields($this->resource);
$this->meta = $this->convert = array();
for ($index = 0; $index < $count; $index++) {
$tmp = mssql_fetch_field($this->resource, $index);
$type = strtoupper($tmp->type);
$info['native'] = $tmp->type;
$info['type'] = isset($types[$type]) ? $types[$type] : dibi::FIELD_UNKNOWN;
$info['length'] = $tmp->max_length;
$info['table'] = $tmp->column_source;
$this->meta[$tmp->name] = $info;
$this->convert[$tmp->name] = $info['type'];
}
}
} // class DibiMSSqlResult