Vergleich inc/db_sqlite.php - 1.8.5 - 1.8.13

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Zeile 30Zeile 30
	 * @var string
*/
public $type;

	 * @var string
*/
public $type;

 

/**
* PDOStatement objects of performed queries.
*
* @var array
*/
public $query_objects = array();


/**
* A count of the number of queries.


/**
* A count of the number of queries.

Zeile 51Zeile 58
	 * @var boolean
*/
public $error_reporting = 1;

	 * @var boolean
*/
public $error_reporting = 1;





	/**
* The database connection resource.
*
* @var resource
*/
public $link;

	/**
* The database connection resource.
*
* @var resource
*/
public $link;


/**


/**

	 * Explanation of a query.

	 * Explanation of a query.

	 *
* @var string
*/

	 *
* @var string
*/

	public $explain;

/**
* The current version of SQLite.

	public $explain;

/**
* The current version of SQLite.

	 *
* @var string
*/

	 *
* @var string
*/

	public $version;

	public $version;


/**


/**

	 * The current table type in use (myisam/innodb)

	 * The current table type in use (myisam/innodb)

	 *

	 *

	 * @var string
*/
public $table_type = "myisam";

	 * @var string
*/
public $table_type = "myisam";


/**


/**

	 * The table prefix used for simple select, update, insert and delete queries
*
* @var string

	 * The table prefix used for simple select, update, insert and delete queries
*
* @var string

Zeile 89Zeile 96

/**
* The extension used to run the SQL database


/**
* The extension used to run the SQL database

	 *
* @var string
*/

	 *
* @var string
*/

	public $engine = "pdo";

	public $engine = "pdo";





	/**
* Weather or not this engine can use the search functionality
*
* @var boolean
*/
public $can_search = true;

	/**
* Weather or not this engine can use the search functionality
*
* @var boolean
*/
public $can_search = true;





	/**
* The database encoding currently in use (if supported)
*
* @var string
*/
public $db_encoding = "";

	/**
* The database encoding currently in use (if supported)
*
* @var string
*/
public $db_encoding = "";


/**


/**

	 * The time spent performing queries
*
* @var float
*/
public $query_time = 0;

	 * The time spent performing queries
*
* @var float
*/
public $query_time = 0;

 

/**
* Our pdo implementation
*
* @var dbpdoEngine
*/
var $db;


/**
* Connect to the database server.
*


/**
* Connect to the database server.
*

	 * @param array Array of DBMS connection details.
* @return resource The DB connection resource. Returns false on failure.

	 * @param array $config Array of DBMS connection details.
* @return bool Returns false on failure, otherwise true

	 */
function connect($config)
{

	 */
function connect($config)
{

Zeile 128Zeile 142
		require_once MYBB_ROOT."inc/db_pdo.php";

$this->db = new dbpdoEngine("sqlite:{$config['database']}");

		require_once MYBB_ROOT."inc/db_pdo.php";

$this->db = new dbpdoEngine("sqlite:{$config['database']}");


$query_time = get_execution_time();



$query_time = get_execution_time();


		$this->query_time += $query_time;

$this->connections[] = "[WRITE] {$config['database']} (Connected in ".format_time_duration($query_time).")";

		$this->query_time += $query_time;

$this->connections[] = "[WRITE] {$config['database']} (Connected in ".format_time_duration($query_time).")";

Zeile 149Zeile 163
	/**
* Query the database.
*

	/**
* Query the database.
*

	 * @param string The query SQL.
* @param boolean 1 if hide errors, 0 if not.
* @return resource The query data.


	 * @param string $string The query SQL.
* @param boolean|int $hide_errors 1 if hide errors, 0 if not.
* @param integer $write_query 1 if executes on master database, 0 if not.
* @return PDOStatement The query data.

	 */
function query($string, $hide_errors=0, $write_query=0)
{

	 */
function query($string, $hide_errors=0, $write_query=0)
{

		global $pagestarttime, $db, $mybb;

		global $mybb;


get_execution_time();



get_execution_time();


Zeile 191Zeile 206
				$query = $this->db->query($string);
}
catch(PDOException $exception)

				$query = $this->db->query($string);
}
catch(PDOException $exception)

			{

			{

				$error = array(
"message" => $exception->getMessage(),
"code" => $exception->getCode()
);

				$error = array(
"message" => $exception->getMessage(),
"code" => $exception->getCode()
);





				$this->error($error['message'], $error['code']);
}
}

				$this->error($error['message'], $error['code']);
}
}

 

$this->query_objects[] = $query;


if($this->error_number($query) > 0 && !$hide_errors)
{


if($this->error_number($query) > 0 && !$hide_errors)
{

Zeile 219Zeile 236
		if(strtolower(substr(ltrim($string), 0, 6)) == "create")
{
$query->closeCursor();

		if(strtolower(substr(ltrim($string), 0, 6)) == "create")
{
$query->closeCursor();

			return;

			return null;

		}

		}





		return $query;
}

/**
* Explain a query on the database.
*

		return $query;
}

/**
* Explain a query on the database.
*

	 * @param string The query SQL.
* @param string The time it took to perform the query.

	 * @param string $string The query SQL.
* @param string $qtime The time it took to perform the query.

	 */
function explain_query($string, $qtime)

	 */
function explain_query($string, $qtime)

	{

	{

		if(preg_match("#^\s*select#i", $string))

		if(preg_match("#^\s*select#i", $string))

		{
$this->explain .= "<table style=\"background-color: #666;\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n".

		{
$this->explain .= "<table style=\"background-color: #666;\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n".

				"<tr>\n".
"<td colspan=\"8\" style=\"background-color: #ccc;\"><strong>#".$this->query_count." - Select Query</strong></td>\n".
"</tr>\n".

				"<tr>\n".
"<td colspan=\"8\" style=\"background-color: #ccc;\"><strong>#".$this->query_count." - Select Query</strong></td>\n".
"</tr>\n".

Zeile 251Zeile 268
		else
{
$this->explain .= "<table style=\"background-color: #666;\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n".

		else
{
$this->explain .= "<table style=\"background-color: #666;\" width=\"95%\" cellpadding=\"4\" cellspacing=\"1\" align=\"center\">\n".

				"<tr>\n".

				"<tr>\n".

				"<td style=\"background-color: #ccc;\"><strong>#".$this->query_count." - Write Query</strong></td>\n".
"</tr>\n".
"<tr style=\"background-color: #fefefe;\">\n".
"<td><span style=\"font-family: Courier; font-size: 14px;\">".htmlspecialchars_uni($string)."</span></td>\n".

				"<td style=\"background-color: #ccc;\"><strong>#".$this->query_count." - Write Query</strong></td>\n".
"</tr>\n".
"<tr style=\"background-color: #fefefe;\">\n".
"<td><span style=\"font-family: Courier; font-size: 14px;\">".htmlspecialchars_uni($string)."</span></td>\n".

				"</tr>\n".

				"</tr>\n".

				"<tr>\n".
"<td bgcolor=\"#ffffff\">Query Time: ".format_time_duration($qtime)."</td>\n".
"</tr>\n".
"</table>\n".
"<br />\n";
}

				"<tr>\n".
"<td bgcolor=\"#ffffff\">Query Time: ".format_time_duration($qtime)."</td>\n".
"</tr>\n".
"</table>\n".
"<br />\n";
}





		$this->querylist[$this->query_count]['query'] = $string;
$this->querylist[$this->query_count]['time'] = $qtime;
}

/**
* Execute a write query on the database

		$this->querylist[$this->query_count]['query'] = $string;
$this->querylist[$this->query_count]['time'] = $qtime;
}

/**
* Execute a write query on the database

	 *
* @param string The query SQL.
* @param boolean 1 if hide errors, 0 if not.
* @return resource The query data.

	 *
* @param string $query The query SQL.
* @param boolean|int $hide_errors 1 if hide errors, 0 if not.
* @return PDOStatement The query data.

	 */
function write_query($query, $hide_errors=0)
{

	 */
function write_query($query, $hide_errors=0)
{

Zeile 283Zeile 300
	/**
* Return a result array for a query.
*

	/**
* Return a result array for a query.
*

	 * @param resource The result data.
* @param constant The type of array to return.

	 * @param PDOStatement $query The result data.
* @param int $resulttype One of PDO's constants: FETCH_ASSOC, FETCH_BOUND, FETCH_CLASS, FETCH_INTO, FETCH_LAZY, FETCH_NAMED, FETCH_NUM, FETCH_OBJ or FETCH_BOTH

	 * @return array The array of results.
*/
function fetch_array($query, $resulttype=PDO::FETCH_BOTH)

	 * @return array The array of results.
*/
function fetch_array($query, $resulttype=PDO::FETCH_BOTH)

Zeile 296Zeile 313
	/**
* Return a specific field from a query.
*

	/**
* Return a specific field from a query.
*

	 * @param resource The query ID.
* @param string The name of the field to return.
* @param int The number of the row to fetch it from.


	 * @param PDOStatement $query The query ID.
* @param string $field The name of the field to return.
* @param int|bool $row The number of the row to fetch it from.
* @return mixed

	 */
function fetch_field($query, $field, $row=false)
{

	 */
function fetch_field($query, $field, $row=false)
{

Zeile 313Zeile 331
	/**
* Moves internal row pointer to the next row
*

	/**
* Moves internal row pointer to the next row
*

	 * @param resource The query ID.
* @param int The pointer to move the row to.

	 * @param PDOStatement $query The query ID.
* @param int $row The pointer to move the row to.

	 */
function data_seek($query, $row)

	 */
function data_seek($query, $row)

	{
return $this->db->seek($query, $row);
}




















	{
$this->db->seek($query, $row);
}

/**
* Closes cursors of registered queries.
*
*/
function close_cursors()
{
$result = true;

foreach($this->query_objects as $query)
{
if(!$query->closeCursor())
{
$result = false;
}
}

return $result;
}


/**
* Return the number of rows resulting from a query.
*


/**
* Return the number of rows resulting from a query.
*

	 * @param resource The query data.

	 * @param PDOStatement $query The query data.

	 * @return int The number of rows in the result.
*/
function num_rows($query)

	 * @return int The number of rows in the result.
*/
function num_rows($query)

Zeile 335Zeile 372
	/**
* Return the last id number of inserted data.
*

	/**
* Return the last id number of inserted data.
*

 
	 * @param string $name

	 * @return int The id number.
*/
function insert_id($name="")

	 * @return int The id number.
*/
function insert_id($name="")

Zeile 354Zeile 392
	/**
* Return an error number.
*

	/**
* Return an error number.
*

 
	 * @param PDOStatement $query

	 * @return int The error number of the current error.

	 * @return int The error number of the current error.

	 */
function error_number($query="")
{
if(!$query)
{

	 */
function error_number($query=null)
{
if($query == null)
{

			$query = $this->db->last_query;
}

			$query = $this->db->last_query;
}


$this->error_number = $this->db->error_number($query);


$this->error_number = $this->db->error_number($query);


return $this->error_number;
}


return $this->error_number;
}

Zeile 371Zeile 410
	/**
* Return an error string.
*

	/**
* Return an error string.
*

 
	 * @param PDOStatement $query

	 * @return string The explanation for the current error.
*/

	 * @return string The explanation for the current error.
*/

	function error_string($query="")

	function error_string($query=null)

	{
if($this->error_number != "")

	{
if($this->error_number != "")

		{
if(!$query)
{
$query = $this->db->last_query;
}


		{
if($query == null)
{
$query = $this->db->last_query;
}


			$error_string = $this->db->error_string($query);
$this->error_number = "";

			$error_string = $this->db->error_string($query);
$this->error_number = "";





			return $error_string;
}

			return $error_string;
}

 

return '';

	}

/**
* Output a database error.
*

	}

/**
* Output a database error.
*

	 * @param string The string to present as an error.




	 * @param string $string The string to present as an error.
* @param PDOStatement $query
* @param string $error
* @param int $error_no

	 */

	 */

	function error($string="", $query="", $error="", $error_no="")

	function error($string="", $query=null, $error="", $error_no=0)

	{

	{

		$this->db->roll_back();


 
		if($this->error_reporting)
{

		if($this->error_reporting)
{

			if(!$query)

			if($query == null)

			{
$query = $this->db->last_query;

			{
$query = $this->db->last_query;

			}

if($error_no == "")

			}

if($error_no == 0)

			{
$error_no = $this->error_number($query);

			{
$error_no = $this->error_number($query);

			}

			}


if($error == "")
{


if($error == "")
{

Zeile 424Zeile 467
					require_once MYBB_ROOT."inc/class_error.php";
$error_handler = new errorHandler();
}

					require_once MYBB_ROOT."inc/class_error.php";
$error_handler = new errorHandler();
}





				$error = array(
"error_no" => $error_no,
"error" => $error,

				$error = array(
"error_no" => $error_no,
"error" => $error,

Zeile 442Zeile 485
	/**
* Returns the number of affected rows in a query.
*

	/**
* Returns the number of affected rows in a query.
*

 
	 * @param PDOStatement $query

	 * @return int The number of affected rows.

	 * @return int The number of affected rows.

	 */
function affected_rows($query="")
{
if(!$query)
{
$query = $this->db->last_query;
}

	 */
function affected_rows($query=null)
{
if($query == null)
{
$query = $this->db->last_query;
}


return $this->db->affected_rows($query);
}


return $this->db->affected_rows($query);
}

Zeile 457Zeile 501
	/**
* Return the number of fields.
*

	/**
* Return the number of fields.
*

	 * @param resource The query data.

	 * @param PDOStatement $query The query data.

	 * @return int The number of fields.
*/
function num_fields($query)

	 * @return int The number of fields.
*/
function num_fields($query)

Zeile 465Zeile 509
		if(!$query)
{
$query = $this->db->last_query;

		if(!$query)
{
$query = $this->db->last_query;

		}

		}


return $this->db->num_fields($query);
}


return $this->db->num_fields($query);
}

Zeile 473Zeile 517
	/**
* Lists all tables in the database.
*

	/**
* Lists all tables in the database.
*

	 * @param string The database name.
* @param string Prefix of the table (optional)

	 * @param string $database The database name.
* @param string $prefix Prefix of the table (optional)

	 * @return array The table list.
*/
function list_tables($database, $prefix='')

	 * @return array The table list.
*/
function list_tables($database, $prefix='')

Zeile 486Zeile 530
		else
{
$query = $this->query("SELECT tbl_name FROM sqlite_master WHERE type = 'table'");

		else
{
$query = $this->query("SELECT tbl_name FROM sqlite_master WHERE type = 'table'");

		}

		}


$tables = array();
while($table = $this->fetch_array($query))


$tables = array();
while($table = $this->fetch_array($query))

Zeile 500Zeile 544
	/**
* Check if a table exists in a database.
*

	/**
* Check if a table exists in a database.
*

	 * @param string The table name.

	 * @param string $table The table name.

	 * @return boolean True when exists, false if not.
*/
function table_exists($table)

	 * @return boolean True when exists, false if not.
*/
function table_exists($table)

Zeile 522Zeile 566
	/**
* Check if a field exists in a database.
*

	/**
* Check if a field exists in a database.
*

	 * @param string The field name.
* @param string The table name.

	 * @param string $field The field name.
* @param string $table The table name.

	 * @return boolean True when exists, false if not.
*/
function field_exists($field, $table)

	 * @return boolean True when exists, false if not.
*/
function field_exists($field, $table)

	{

	{

		$query = $this->query("PRAGMA table_info('{$this->table_prefix}{$table}')");

		$query = $this->query("PRAGMA table_info('{$this->table_prefix}{$table}')");





		$exists = 0;

		$exists = 0;





		while($row = $this->fetch_array($query))

		while($row = $this->fetch_array($query))

		{

		{

			if($row['name'] == $field)
{
++$exists;
}

			if($row['name'] == $field)
{
++$exists;
}

		}

		}


$query->closeCursor();

if($exists > 0)
{
return true;


$query->closeCursor();

if($exists > 0)
{
return true;

		}
else
{

		}
else
{

			return false;

			return false;

		}

		}

	}

/**
* Add a shutdown query.
*

	}

/**
* Add a shutdown query.
*

	 * @param resource The query data.
* @param string An optional name for the query.

	 * @param PDOStatement $query The query data.
* @param string $name An optional name for the query.

	 */

	 */

	function shutdown_query($query, $name=0)

	function shutdown_query($query, $name="")

	{
global $shutdown_queries;
if($name)

	{
global $shutdown_queries;
if($name)

Zeile 566Zeile 610
			$shutdown_queries[$name] = $query;
}
else

			$shutdown_queries[$name] = $query;
}
else

		{
$shutdown_queries[] = $query;
}
}

		{
$shutdown_queries[] = $query;
}
}


/**
* Performs a simple select query.
*


/**
* Performs a simple select query.
*

	 * @param string The table name to be queried.
* @param string Comma delimetered list of fields to be selected.
* @param string SQL formatted list of conditions to be matched.
* @param array List of options: group by, order by, order direction, limit, limit start.
* @return resource The query data.

	 * @param string $table The table name to be queried.
* @param string $fields Comma delimetered list of fields to be selected.
* @param string $conditions SQL formatted list of conditions to be matched.
* @param array $options List of options: group by, order by, order direction, limit, limit start.
* @return PDOStatement The query data.

	 */
function simple_select($table, $fields="*", $conditions="", $options=array())
{

	 */
function simple_select($table, $fields="*", $conditions="", $options=array())
{

Zeile 592Zeile 636
		if(isset($options['group_by']))
{
$query .= " GROUP BY ".$options['group_by'];

		if(isset($options['group_by']))
{
$query .= " GROUP BY ".$options['group_by'];

		}


		}


		if(isset($options['order_by']))
{
$query .= " ORDER BY ".$options['order_by'];

		if(isset($options['order_by']))
{
$query .= " ORDER BY ".$options['order_by'];

Zeile 605Zeile 649
		}

if(isset($options['limit_start']) && isset($options['limit']))

		}

if(isset($options['limit_start']) && isset($options['limit']))

		{

		{

			$query .= " LIMIT ".$options['limit_start'].", ".$options['limit'];
}
else if(isset($options['limit']))
{
$query .= " LIMIT ".$options['limit'];

			$query .= " LIMIT ".$options['limit_start'].", ".$options['limit'];
}
else if(isset($options['limit']))
{
$query .= " LIMIT ".$options['limit'];

		}


		}


		return $this->query($query);
}

/**
* Build an insert query from an array.
*

		return $this->query($query);
}

/**
* Build an insert query from an array.
*

	 * @param string The table name to perform the query on.
* @param array An array of fields and their values.
* @return int The insert ID if available

	 * @param string $table The table name to perform the query on.
* @param array $array An array of fields and their values.
* @return int|bool The insert ID if available or false if an error is found

	 */
function insert_query($table, $array)
{

	 */
function insert_query($table, $array)
{

Zeile 663Zeile 707
	/**
* Build one query for multiple inserts from a multidimensional array.
*

	/**
* Build one query for multiple inserts from a multidimensional array.
*

	 * @param string The table name to perform the query on.
* @param array An array of inserts.
* @return int The insert ID if available

	 * @param string $table The table name to perform the query on.
* @param array $array An array of inserts.
* @return void

	 */
function insert_query_multiple($table, $array)
{

	 */
function insert_query_multiple($table, $array)
{

Zeile 673Zeile 717

if(!is_array($array))
{


if(!is_array($array))
{

			return false;

			return;

		}
// Field names
$fields = array_keys($array[0]);

		}
// Field names
$fields = array_keys($array[0]);

Zeile 694Zeile 738
					$values[$field] = $value;
}
else

					$values[$field] = $value;
}
else

				{

				{

					$values[$field] = $this->quote_val($value);
}
}

					$values[$field] = $this->quote_val($value);
}
}

Zeile 713Zeile 757
	/**
* Build an update query from an array.
*

	/**
* Build an update query from an array.
*

	 * @param string The table name to perform the query on.
* @param array An array of fields and their values.
* @param string An optional where clause for the query.
* @param string An optional limit clause for the query.
* @param boolean An option to quote incoming values of the array.
* @return resource The query data.

	 * @param string $table The table name to perform the query on.
* @param array $array An array of fields and their values.
* @param string $where An optional where clause for the query.
* @param string $limit An optional limit clause for the query.
* @param boolean $no_quote An option to quote incoming values of the array.
* @return PDOStatement The query data.

	 */
function update_query($table, $array, $where="", $limit="", $no_quote=false)
{

	 */
function update_query($table, $array, $where="", $limit="", $no_quote=false)
{

Zeile 739Zeile 783
		}

foreach($array as $field => $value)

		}

foreach($array as $field => $value)

		{

		{

			if(isset($mybb->binary_fields[$table][$field]) && $mybb->binary_fields[$table][$field])

			if(isset($mybb->binary_fields[$table][$field]) && $mybb->binary_fields[$table][$field])

			{

			{

				if($value[0] != 'X') // Not escaped?
{
$value = $this->escape_binary($value);

				if($value[0] != 'X') // Not escaped?
{
$value = $this->escape_binary($value);

Zeile 756Zeile 800
				$query .= $comma.$field."={$quoted_value}";
}
$comma = ', ';

				$query .= $comma.$field."={$quoted_value}";
}
$comma = ', ';

		}

if(!empty($where))

		}

if(!empty($where))

		{
$query .= " WHERE $where";

		{
$query .= " WHERE $where";

		}

		}


$query = $this->query("UPDATE {$this->table_prefix}$table SET $query");
$query->closeCursor();
return $query;
}



$query = $this->query("UPDATE {$this->table_prefix}$table SET $query");
$query->closeCursor();
return $query;
}


 
	/**
* @param int|string $value
* @param string $quote
*
* @return int|string
*/

	private function quote_val($value, $quote="'")
{
if(is_int($value))

	private function quote_val($value, $quote="'")
{
if(is_int($value))

Zeile 777Zeile 827
		else
{
$quoted = $quote . $value . $quote;

		else
{
$quoted = $quote . $value . $quote;

		}

		}


return $quoted;
}


return $quoted;
}

Zeile 785Zeile 835
	/**
* Build a delete query.
*

	/**
* Build a delete query.
*

	 * @param string The table name to perform the query on.
* @param string An optional where clause for the query.
* @param string An optional limit clause for the query.
* @return resource The query data.

	 * @param string $table The table name to perform the query on.
* @param string $where An optional where clause for the query.
* @param string $limit An optional limit clause for the query.
* @return PDOStatement The query data.

	 */
function delete_query($table, $where="", $limit="")
{

	 */
function delete_query($table, $where="", $limit="")
{

Zeile 801Zeile 851
		$query = $this->query("DELETE FROM {$this->table_prefix}$table $query");
$query->closeCursor();
return $query;

		$query = $this->query("DELETE FROM {$this->table_prefix}$table $query");
$query->closeCursor();
return $query;

	}

/**

	}

/**

	 * Escape a string

	 * Escape a string

	 *
* @param string The string to be escaped.

	 *
* @param string $string The string to be escaped.

	 * @return string The escaped string.

	 * @return string The escaped string.

	 */

	 */

	function escape_string($string)

	function escape_string($string)

	{

	{

		$string = $this->db->escape_string($string);
return $string;
}

		$string = $this->db->escape_string($string);
return $string;
}

Zeile 818Zeile 868
	/**
* Serves no purposes except compatibility
*

	/**
* Serves no purposes except compatibility
*

 
	 * @param PDOStatement $query
* @return boolean Returns true on success, false on failure

	 */
function free_result($query)

	 */
function free_result($query)

	{
return;
}

/**

	{
return true;
}

/**

	 * Escape a string used within a like command.

	 * Escape a string used within a like command.

	 *
* @param string The string to be escaped.

	 *
* @param string $string The string to be escaped.

	 * @return string The escaped string.
*/
function escape_string_like($string)

	 * @return string The escaped string.
*/
function escape_string_like($string)

Zeile 841Zeile 893
	 * @return string Version of MySQL.
*/
function get_version()

	 * @return string Version of MySQL.
*/
function get_version()

	{

	{

		if($this->version)
{
return $this->version;
}
$this->version = $this->db->get_attribute("ATTR_SERVER_VERSION");

		if($this->version)
{
return $this->version;
}
$this->version = $this->db->get_attribute("ATTR_SERVER_VERSION");





		return $this->version;

		return $this->version;

	}

	}


/**
* Optimizes a specific table.
*


/**
* Optimizes a specific table.
*

	 * @param string The name of the table to be optimized.

	 * @param string $table The name of the table to be optimized.

	 */
function optimize_table($table)
{
$query = $this->query("VACUUM ".$this->table_prefix.$table."");

	 */
function optimize_table($table)
{
$query = $this->query("VACUUM ".$this->table_prefix.$table."");

		$query->closeCursor();
}


		$query->closeCursor();
}


	/**
* Analyzes a specific table.
*

	/**
* Analyzes a specific table.
*

	 * @param string The name of the table to be analyzed.

	 * @param string $table The name of the table to be analyzed.

	 */
function analyze_table($table)
{

	 */
function analyze_table($table)
{

Zeile 876Zeile 928
	/**
* Show the "create table" command for a specific table.
*

	/**
* Show the "create table" command for a specific table.
*

	 * @param string The name of the table.
* @return string The MySQL command to create the specified table.

	 * @param string $table The name of the table.
* @return string The SQLite command to create the specified table.

	 */
function show_create_table($table)
{

	 */
function show_create_table($table)
{

Zeile 896Zeile 948
	/**
* Show the "show fields from" command for a specific table.
*

	/**
* Show the "show fields from" command for a specific table.
*

	 * @param string The name of the table.
* @return string Field info for that table

	 * @param string $table The name of the table.
* @return array Field info for that table

	 */
function show_fields_from($table)
{

	 */
function show_fields_from($table)
{

Zeile 926Zeile 978
	/**
* Returns whether or not the table contains a fulltext index.
*

	/**
* Returns whether or not the table contains a fulltext index.
*

	 * @param string The name of the table.
* @param string Optionally specify the name of the index.

	 * @param string $table The name of the table.
* @param string $index Optionally specify the name of the index.

	 * @return boolean True or false if the table has a fulltext index or not.
*/
function is_fulltext($table, $index="")

	 * @return boolean True or false if the table has a fulltext index or not.
*/
function is_fulltext($table, $index="")

Zeile 938Zeile 990
	/**
* Returns whether or not this database engine supports fulltext indexing.
*

	/**
* Returns whether or not this database engine supports fulltext indexing.
*

	 * @param string The table to be checked.

	 * @param string $table The table to be checked.

	 * @return boolean True or false if supported or not.
*/


	 * @return boolean True or false if supported or not.
*/


Zeile 950Zeile 1002
	/**
* Returns whether or not this database engine supports boolean fulltext matching.
*

	/**
* Returns whether or not this database engine supports boolean fulltext matching.
*

	 * @param string The table to be checked.

	 * @param string $table The table to be checked.

	 * @return boolean True or false if supported or not.
*/
function supports_fulltext_boolean($table)

	 * @return boolean True or false if supported or not.
*/
function supports_fulltext_boolean($table)

Zeile 961Zeile 1013
	/**
* Creates a fulltext index on the specified column in the specified table with optional index name.
*

	/**
* Creates a fulltext index on the specified column in the specified table with optional index name.
*

	 * @param string The name of the table.
* @param string Name of the column to be indexed.
* @param string The index name, optional.


	 * @param string $table The name of the table.
* @param string $column Name of the column to be indexed.
* @param string $name The index name, optional.
* @return bool

	 */
function create_fulltext_index($table, $column, $name="")
{

	 */
function create_fulltext_index($table, $column, $name="")
{

Zeile 973Zeile 1026
	/**
* Drop an index with the specified name from the specified table
*

	/**
* Drop an index with the specified name from the specified table
*

	 * @param string The name of the table.
* @param string The name of the index.

	 * @param string $table The name of the table.
* @param string $name The name of the index.

	 */
function drop_index($table, $name)
{

	 */
function drop_index($table, $name)
{

Zeile 985Zeile 1038
	/**
* Checks to see if an index exists on a specified table
*

	/**
* Checks to see if an index exists on a specified table
*

	 * @param string The name of the table.
* @param string The name of the index.


	 * @param string $table The name of the table.
* @param string $index The name of the index.
* @return bool Returns whether index exists

	 */
function index_exists($table, $index)
{

	 */
function index_exists($table, $index)
{

Zeile 996Zeile 1050
	/**
* Drop an table with the specified table
*

	/**
* Drop an table with the specified table
*

	 * @param string The name of the table.
* @param boolean hard drop - no checking
* @param boolean use table prefix

	 * @param string $table The name of the table.
* @param boolean $hard hard drop - no checking
* @param boolean $table_prefix use table prefix

	 */
function drop_table($table, $hard=false, $table_prefix=true)
{

	 */
function drop_table($table, $hard=false, $table_prefix=true)
{

Zeile 1032Zeile 1086
	/**
* Renames a table
*

	/**
* Renames a table
*

	 * @param string The old table name
* @param string the new table name
* @param boolean use table prefix


	 * @param string $old_table The old table name
* @param string $new_table the new table name
* @param boolean $table_prefix use table prefix
* @return PDOStatement

	 */
function rename_table($old_table, $new_table, $table_prefix=true)
{

	 */
function rename_table($old_table, $new_table, $table_prefix=true)
{

Zeile 1055Zeile 1110
	/**
* Replace contents of table with values
*

	/**
* Replace contents of table with values
*

	 * @param string The table
* @param array The replacements
* @param mixed The default field(s)
* @param boolean Whether or not to return an insert id. True by default


	 * @param string $table The table
* @param array $replacements The replacements
* @param string|array $default_field The default field(s)
* @param boolean $insert_id Whether or not to return an insert id. True by default
* @return int|PDOStatement|bool Returns either the insert id (if a new row is inserted), the query resource (if a row is updated) or false on failure

	 */
function replace_query($table, $replacements=array(), $default_field="", $insert_id=true)
{

	 */
function replace_query($table, $replacements=array(), $default_field="", $insert_id=true)
{

Zeile 1137Zeile 1193
			}
else
{

			}
else
{

				return $this->insert_query($table, $replacements, $insert_id);

				return $this->insert_query($table, $replacements);

			}
}
}

			}
}
}

Zeile 1145Zeile 1201
	/**
* Sets the table prefix used by the simple select, insert, update and delete functions
*

	/**
* Sets the table prefix used by the simple select, insert, update and delete functions
*

	 * @param string The new table prefix

	 * @param string $prefix The new table prefix

	 */
function set_table_prefix($prefix)
{

	 */
function set_table_prefix($prefix)
{

Zeile 1155Zeile 1211
	/**
* Fetched the total size of all mysql tables or a specific table
*

	/**
* Fetched the total size of all mysql tables or a specific table
*

	 * @param string The table (optional) (ignored)

	 * @param string $table The table (optional) (ignored)

	 * @return integer the total size of all mysql tables or a specific table
*/
function fetch_size($table='')

	 * @return integer the total size of all mysql tables or a specific table
*/
function fetch_size($table='')

Zeile 1173Zeile 1229
	/**
* Perform an "Alter Table" query in SQLite < 3.2.0 - Code taken from http://code.jenseng.com/db/
*

	/**
* Perform an "Alter Table" query in SQLite < 3.2.0 - Code taken from http://code.jenseng.com/db/
*

	 * @param string The table (optional)
* @return integer the total size of all mysql tables or a specific table



	 * @param string $table The table (optional)
* @param string $alterdefs
* @param string $fullquery
* @return bool True on success, false on failure

	 */
function alter_table_parse($table, $alterdefs, $fullquery="")
{

	 */
function alter_table_parse($table, $alterdefs, $fullquery="")
{

Zeile 1198Zeile 1256
				$tmpname = 't'.TIME_NOW;
$origsql = trim(preg_replace("/[\s]+/", " ", str_replace(",", ", ", preg_replace("/[\(]/","( ", $row['sql'], 1))));
$createtemptableSQL = 'CREATE TEMPORARY '.substr(trim(preg_replace("'".$table."'", $tmpname, $origsql, 1)), 6);

				$tmpname = 't'.TIME_NOW;
$origsql = trim(preg_replace("/[\s]+/", " ", str_replace(",", ", ", preg_replace("/[\(]/","( ", $row['sql'], 1))));
$createtemptableSQL = 'CREATE TEMPORARY '.substr(trim(preg_replace("'".$table."'", $tmpname, $origsql, 1)), 6);

				$createindexsql = array();
$i = 0;

 
				$defs = preg_split("/[,]+/", $alterdefs, -1, PREG_SPLIT_NO_EMPTY);
$prevword = $table;
$oldcols = preg_split("/[,]+/", substr(trim($createtemptableSQL), strpos(trim($createtemptableSQL), '(')+1), -1, PREG_SPLIT_NO_EMPTY);

				$defs = preg_split("/[,]+/", $alterdefs, -1, PREG_SPLIT_NO_EMPTY);
$prevword = $table;
$oldcols = preg_split("/[,]+/", substr(trim($createtemptableSQL), strpos(trim($createtemptableSQL), '(')+1), -1, PREG_SPLIT_NO_EMPTY);

Zeile 1353Zeile 1409
				$this->error($fullquery, 'no such table: '.$table);
return false;
}

				$this->error($fullquery, 'no such table: '.$table);
return false;
}

			return true;

 
		}

		}

 
		return true;

	}

/**
* Drops a column
*

	}

/**
* Drops a column
*

	 * @param string The table
* @param string The column name


	 * @param string $table The table
* @param string $column The column name
* @return PDOStatement

	 */
function drop_column($table, $column)
{

	 */
function drop_column($table, $column)
{

Zeile 1371Zeile 1428
	/**
* Adds a column
*

	/**
* Adds a column
*

	 * @param string The table
* @param string The column name
* @param string the new column definition


	 * @param string $table The table
* @param string $column The column name
* @param string $definition the new column definition
* @return PDOStatement

	 */
function add_column($table, $column, $definition)
{

	 */
function add_column($table, $column, $definition)
{

Zeile 1385Zeile 1443
	/**
* Modifies a column
*

	/**
* Modifies a column
*

	 * @param string The table
* @param string The column name
* @param string the new column definition

	 * @param string $table The table
* @param string $column The column name
* @param string $new_definition the new column definition

	 */
function modify_column($table, $column, $new_definition)
{

	 */
function modify_column($table, $column, $new_definition)
{

Zeile 1398Zeile 1456
	/**
* Renames a column
*

	/**
* Renames a column
*

	 * @param string The table
* @param string The old column name
* @param string the new column name
* @param string the new column definition


	 * @param string $table The table
* @param string $old_column The old column name
* @param string $new_column the new column name
* @param string $new_definition the new column definition
* @return PDOStatement

	 */
function rename_column($table, $old_column, $new_column, $new_definition)
{

	 */
function rename_column($table, $old_column, $new_column, $new_definition)
{

Zeile 1412Zeile 1471
	/**
* Fetch a list of database character sets this DBMS supports
*

	/**
* Fetch a list of database character sets this DBMS supports
*

	 * @return array Array of supported character sets with array key being the name, array value being display name. False if unsupported

	 * @return array|bool Array of supported character sets with array key being the name, array value being display name. False if unsupported

	 */
function fetch_db_charsets()
{

	 */
function fetch_db_charsets()
{

Zeile 1422Zeile 1481
	/**
* Fetch a database collation for a particular database character set
*

	/**
* Fetch a database collation for a particular database character set
*

	 * @param string The database character set
* @return string The matching database collation, false if unsupported

	 * @param string $charset The database character set
* @return string|bool The matching database collation, false if unsupported

	 */
function fetch_charset_collation($charset)
{

	 */
function fetch_charset_collation($charset)
{

Zeile 1453Zeile 1512
	/**
* Binary database fields require special attention.
*

	/**
* Binary database fields require special attention.
*

	 * @param string Binary value

	 * @param string $string Binary value

	 * @return string Encoded binary value
*/
function escape_binary($string)

	 * @return string Encoded binary value
*/
function escape_binary($string)

Zeile 1464Zeile 1523
	/**
* Unescape binary data.
*

	/**
* Unescape binary data.
*

	 * @param string Binary value

	 * @param string $string Binary value

	 * @return string Encoded binary value
*/
function unescape_binary($string)

	 * @return string Encoded binary value
*/
function unescape_binary($string)