Vergleich inc/db_sqlite.php - 1.8.0 - 1.8.6

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 *
*/


 *
*/


class DB_SQLite

class DB_SQLite implements DB_Base

{
/**
* The title of this layer.

{
/**
* The title of this layer.

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	 * @var float
*/
public $query_time = 0;

	 * @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)
{
get_execution_time();

	 */
function connect($config)
{
get_execution_time();





		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->query_time += $query_time;





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

if($this->db)

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

if($this->db)

		{

		{

			$this->query('PRAGMA short_column_names = 1');
return true;
}

			$this->query('PRAGMA short_column_names = 1');
return true;
}

		else
{
return false;
}

		else
{
return false;
}

	}

/**
* 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)

	function query($string, $hide_errors=0, $write_query=0)

	{

	{

		global $pagestarttime, $db, $mybb;

		global $mybb;


get_execution_time();



get_execution_time();


Zeile 171Zeile 179
				$this->error_msg = "near \"{$queryparts[0]}\": syntax error";
}
else

				$this->error_msg = "near \"{$queryparts[0]}\": syntax error";
}
else

			{

			{

				// SQLITE 3 supports ADD and RENAME TO alter statements
if(strtolower(substr(ltrim($alterdefs), 0, 3)) == 'add' || strtolower(substr(ltrim($alterdefs), 0, 9)) == "rename to")
{
$query = $this->db->query($string);
$query->closeCursor();

				// SQLITE 3 supports ADD and RENAME TO alter statements
if(strtolower(substr(ltrim($alterdefs), 0, 3)) == 'add' || strtolower(substr(ltrim($alterdefs), 0, 9)) == "rename to")
{
$query = $this->db->query($string);
$query->closeCursor();

				}

				}

				else
{
$query = $this->alter_table_parse($tablename, $alterdefs, $string);
}

				else
{
$query = $this->alter_table_parse($tablename, $alterdefs, $string);
}

			}
}

			}
}

	  	else
{
try

	  	else
{
try

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		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;

		}

return $query;

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

	/**
* 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)
{

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	/**
* Execute a write query on the database
*

	/**
* 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 291
	/**
* 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.
*/

	 * @return array The array of results.
*/

	function fetch_array($query)

	function fetch_array($query, $resulttype=PDO::FETCH_BOTH)

	{

	{

		$array = $this->db->fetch_array($query);

		$array = $this->db->fetch_array($query, $resulttype);

		return $array;
}

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

		return $array;
}

/**
* 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)
{

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	/**
* 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);

	}

/**
* 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)

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	/**
* 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="")

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	/**
* 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="")

	function error_number($query=null)

	{

	{

		if(!$query)

		if($query == null)

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

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

		}


		}


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

return $this->error_number;

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

return $this->error_number;

	}

	}


/**
* 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)

			if($query == null)

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

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





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

return $error_string;
}

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

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);
}

Zeile 442Zeile 457
	/**
* 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="")

	function affected_rows($query=null)

	{

	{

		if(!$query)

		if($query == null)

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

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

Zeile 457Zeile 473
	/**
* 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 471Zeile 487
	}

/**

	}

/**

	 * Lists all functions 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='')

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	/**
* 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 538
	/**
* 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)

Zeile 555Zeile 571
	/**
* 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 574Zeile 590
	/**
* 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 619Zeile 635
	/**
* Build an insert query from an array.
*

	/**
* 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 645Zeile 661
			}
else
{

			}
else
{

				$array[$field] = "'{$value}'";

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

			}
}


			}
}


Zeile 663Zeile 679
	/**
* 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 689

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 695Zeile 711
				}
else
{

				}
else
{

					$values[$field] = "'{$value}'";

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

				}
}
$insert_rows[] = "(".implode(",", $values).")";
}
$insert_rows = implode(", ", $insert_rows);

				}
}
$insert_rows[] = "(".implode(",", $values).")";
}
$insert_rows = implode(", ", $insert_rows);





		$query = $this->write_query("
INSERT
INTO {$this->table_prefix}{$table} ({$fields})

		$query = $this->write_query("
INSERT
INTO {$this->table_prefix}{$table} ({$fields})

Zeile 713Zeile 729
	/**
* 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 727Zeile 743
		if(!is_array($array))
{
return false;

		if(!is_array($array))
{
return false;

		}


		}


		$comma = "";
$query = "";
$quote = "'";

		$comma = "";
$query = "";
$quote = "'";

Zeile 736Zeile 752
		if($no_quote == true)
{
$quote = "";

		if($no_quote == true)
{
$quote = "";

		}

		}


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


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

Zeile 751Zeile 767
			}
else
{

			}
else
{

				$query .= $comma.$field."={$quote}".$value."{$quote}";



				$quoted_value = $this->quote_val($value, $quote);

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

			}
$comma = ', ';
}

			}
$comma = ', ';
}

Zeile 767Zeile 785
	}

/**

	}

/**

	 * Build a delete query.


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

	 *

	 *

	 * @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.




















	 * @return int|string
*/
private function quote_val($value, $quote="'")
{
if(is_int($value))
{
$quoted = $value;
}
else
{
$quoted = $quote . $value . $quote;
}

return $quoted;
}

/**
* Build a delete query.
*
* @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 781Zeile 819
		{
$query .= " WHERE $where";
}

		{
$query .= " WHERE $where";
}





		$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;

Zeile 789Zeile 827

/**
* 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.
*/
function escape_string($string)

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

Zeile 802Zeile 840
	/**
* 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 838Zeile 878
	/**
* 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)
{

	 */
function optimize_table($table)
{

Zeile 849Zeile 889
	/**
* 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 860Zeile 900
	/**
* 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 880Zeile 920
	/**
* 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 910Zeile 950
	/**
* 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 922Zeile 962
	/**
* 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 934Zeile 974
	/**
* 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 945Zeile 985
	/**
* 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 957Zeile 998
	/**
* 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 969Zeile 1010
	/**
* 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 980Zeile 1022
	/**
* 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 1016Zeile 1058
	/**
* 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 1039Zeile 1082
	/**
* 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 mixed $default_field The default field(s)
* @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="")

	{
global $mybb;


	{
global $mybb;


Zeile 1065Zeile 1108
			}
else
{

			}
else
{

				$values .= $comma."'".$value."'";

				$values .= $comma.$this->quote_val($value);

			}

$comma = ',';

			}

$comma = ',';

Zeile 1121Zeile 1164
			}
else
{

			}
else
{

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

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

			}
}
}

			}
}
}

Zeile 1129Zeile 1172
	/**
* 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 1139Zeile 1182
	/**
* 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 1157Zeile 1200
	/**
* 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, $fullquery="")
{
if(!$fullquery)

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

		{

		{

			$fullquery = " ... {$alterdefs}";
}


			$fullquery = " ... {$alterdefs}";
}


Zeile 1171Zeile 1216
		{
define("TIME_NOW", time());
}

		{
define("TIME_NOW", time());
}





		if($alterdefs != '')
{
$result = $this->query("SELECT sql,name,type FROM sqlite_master WHERE tbl_name = '{$table}' ORDER BY type DESC");

		if($alterdefs != '')
{
$result = $this->query("SELECT sql,name,type FROM sqlite_master WHERE tbl_name = '{$table}' ORDER BY type DESC");

Zeile 1182Zeile 1227
				$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 1194Zeile 1237
					$colparts = preg_split("/[\s]+/", $oldcols[$i], -1, PREG_SPLIT_NO_EMPTY);
$oldcols[$i] = $colparts[0];
$newcols[$colparts[0]] = $colparts[0];

					$colparts = preg_split("/[\s]+/", $oldcols[$i], -1, PREG_SPLIT_NO_EMPTY);
$oldcols[$i] = $colparts[0];
$newcols[$colparts[0]] = $colparts[0];

				}

$newcolumns = '';
$oldcolumns = '';
reset($newcols);

				}

$newcolumns = '';
$oldcolumns = '';
reset($newcols);


foreach($newcols as $key => $val)
{


foreach($newcols as $key => $val)
{

Zeile 1233Zeile 1276
								}

$newcols[$defparts[1]] = $defparts[2];

								}

$newcols[$defparts[1]] = $defparts[2];

								$nextcommapos = strpos($createtesttableSQL, ',', $severpos);

								$nextcommapos = strpos($createtesttableSQL, ',', $severpos);

								$insertval = '';

for($i = 2; $i < sizeof($defparts); $i++)

								$insertval = '';

for($i = 2; $i < sizeof($defparts); $i++)

Zeile 1242Zeile 1285
								}

if($nextcommapos)

								}

if($nextcommapos)

								{

								{

									$createtesttableSQL = substr($createtesttableSQL, 0, $severpos).$insertval.substr($createtesttableSQL, $nextcommapos);

									$createtesttableSQL = substr($createtesttableSQL, 0, $severpos).$insertval.substr($createtesttableSQL, $nextcommapos);

								}

								}

								else
{
$createtesttableSQL = substr($createtesttableSQL, 0, $severpos-(strpos($createtesttableSQL, ',') ? 0 : 1)).$insertval.')';

								else
{
$createtesttableSQL = substr($createtesttableSQL, 0, $severpos-(strpos($createtesttableSQL, ',') ? 0 : 1)).$insertval.')';

								}
}
else
{
$this->error($fullquery, 'unknown column "'.$defparts[1].'" in "'.$table.'"', E_USER_WARNING);
return false;

								}
}
else
{
$this->error($fullquery, 'unknown column "'.$defparts[1].'" in "'.$table.'"', E_USER_WARNING);
return false;

							}
break;
case 'drop':
if(sizeof($defparts) < 2)

							}
break;
case 'drop':
if(sizeof($defparts) < 2)

							{

							{

								$this->error($fullquery, 'near "'.$defparts[0].($defparts[1] ? ' '.$defparts[1] : '').'": syntax error');
return false;
}

								$this->error($fullquery, 'near "'.$defparts[0].($defparts[1] ? ' '.$defparts[1] : '').'": syntax error');
return false;
}





							if($severpos = strpos($createtesttableSQL, ' '.$defparts[1].' '))
{
$nextcommapos = strpos($createtesttableSQL, ',', $severpos);

if($nextcommapos)

							if($severpos = strpos($createtesttableSQL, ' '.$defparts[1].' '))
{
$nextcommapos = strpos($createtesttableSQL, ',', $severpos);

if($nextcommapos)

								{

								{

									$createtesttableSQL = substr($createtesttableSQL, 0, $severpos).substr($createtesttableSQL, $nextcommapos + 1);
}
else

									$createtesttableSQL = substr($createtesttableSQL, 0, $severpos).substr($createtesttableSQL, $nextcommapos + 1);
}
else

Zeile 1337Zeile 1380
				$this->error($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 1355Zeile 1399
	/**
* 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 1369Zeile 1414
	/**
* 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 1382Zeile 1427
	/**
* 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 1396Zeile 1442
	/**
* 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 1406Zeile 1452
	/**
* 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 1437Zeile 1483
	/**
* 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 1448Zeile 1494
	/**
* 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)