Vergleich inc/db_mysqli.php - 1.8.6 - 1.8.21

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	 * @var mysqli
*/
public $current_link;

	 * @var mysqli
*/
public $current_link;

 

/**
* The database name.
*
* @var string
*/
public $database;


/**
* Explanation of a query.


/**
* Explanation of a query.

Zeile 273Zeile 280
	 */
function select_db($database)
{

	 */
function select_db($database)
{

 
		$this->database = $database;


		$master_success = @mysqli_select_db($this->read_link, $database) or $this->error("[READ] Unable to select database", $this->read_link);
if($this->write_link)
{

		$master_success = @mysqli_select_db($this->read_link, $database) or $this->error("[READ] Unable to select database", $this->read_link);
if($this->write_link)
{

Zeile 632Zeile 641
	{
if($prefix)
{

	{
if($prefix)
{

			$query = $this->query("
SELECT `TABLE_NAME` FROM INFORMATION_SCHEMA.TABLES
WHERE `TABLE_SCHEMA` = '$database' AND `TABLE_TYPE` = 'BASE TABLE'
AND `TABLE_NAME` LIKE '".$this->escape_string($prefix)."%'
");
}
else
{
$query = $this->query("
SELECT `TABLE_NAME` FROM INFORMATION_SCHEMA.TABLES
WHERE `TABLE_SCHEMA` = '$database' AND `TABLE_TYPE` = 'BASE TABLE'
");
}








			if(version_compare($this->get_version(), '5.0.2', '>='))
{
$query = $this->query("SHOW FULL TABLES FROM `$database` WHERE table_type = 'BASE TABLE' AND `Tables_in_$database` LIKE '".$this->escape_string($prefix)."%'");
}
else
{
$query = $this->query("SHOW TABLES FROM `$database` LIKE '".$this->escape_string($prefix)."%'");
}
}
else
{
if(version_compare($this->get_version(), '5.0.2', '>='))
{
$query = $this->query("SHOW FULL TABLES FROM `$database` WHERE table_type = 'BASE TABLE'");
}
else
{
$query = $this->query("SHOW TABLES FROM `$database`");
}
}


$tables = array();
while(list($table) = mysqli_fetch_array($query))
{
$tables[] = $table;


$tables = array();
while(list($table) = mysqli_fetch_array($query))
{
$tables[] = $table;

		}


		}


		return $tables;
}

		return $tables;
}





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

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

Zeile 663Zeile 680
	function table_exists($table)
{
// Execute on master server to ensure if we've just created a table that we get the correct result

	function table_exists($table)
{
// Execute on master server to ensure if we've just created a table that we get the correct result

		$query = $this->write_query("
SELECT `TABLE_NAME` FROM INFORMATION_SCHEMA.TABLES
WHERE `TABLE_TYPE` = 'BASE TABLE'
AND `TABLE_NAME` LIKE '{$this->table_prefix}$table'
");
$exists = $this->num_rows($query);



		if(version_compare($this->get_version(), '5.0.2', '>='))
{
$query = $this->query("SHOW FULL TABLES FROM `".$this->database."` WHERE table_type = 'BASE TABLE' AND `Tables_in_".$this->database."` = '{$this->table_prefix}$table'");
}
else
{
$query = $this->query("SHOW TABLES LIKE '{$this->table_prefix}$table'");
}





 
		$exists = $this->num_rows($query);

		if($exists > 0)
{
return true;

		if($exists > 0)
{
return true;

Zeile 872Zeile 892
	 * @return mysqli_result The query data.
*/
function update_query($table, $array, $where="", $limit="", $no_quote=false)

	 * @return mysqli_result The query data.
*/
function update_query($table, $array, $where="", $limit="", $no_quote=false)

	{

	{

		global $mybb;

if(!is_array($array))

		global $mybb;

if(!is_array($array))

Zeile 907Zeile 927
				$query .= $comma."`".$field."`={$quoted_value}";
}
$comma = ', ';

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

		}

if(!empty($where))
{
$query .= " WHERE $where";

		}

if(!empty($where))
{
$query .= " WHERE $where";

		}

if(!empty($limit))
{
$query .= " LIMIT $limit";
}

		}

if(!empty($limit))
{
$query .= " LIMIT $limit";
}





		return $this->write_query("
UPDATE {$this->table_prefix}$table
SET $query

		return $this->write_query("
UPDATE {$this->table_prefix}$table
SET $query

Zeile 930Zeile 950
	 * @param string $quote
*
* @return int|string

	 * @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 969Zeile 989

/**
* Escape a string according to the MySQL escape format.


/**
* Escape a string according to the MySQL escape format.

	 *

	 *

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

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

Zeile 1030Zeile 1050
			return $this->version;
}


			return $this->version;
}


		$version = @mysqli_get_server_info($this->read_link);
if(!$version)
{
$query = $this->query("SELECT VERSION() as version");
$ver = $this->fetch_array($query);
$version = $ver['version'];
}


		$query = $this->query("SELECT VERSION() as version");
$ver = $this->fetch_array($query);
$version = $ver['version'];






		if($version)
{
$version = explode(".", $version, 3);

		if($version)
{
$version = explode(".", $version, 3);

Zeile 1076Zeile 1092
	{
$query = $this->write_query("SHOW CREATE TABLE ".$this->table_prefix.$table."");
$structure = $this->fetch_array($query);

	{
$query = $this->write_query("SHOW CREATE TABLE ".$this->table_prefix.$table."");
$structure = $this->fetch_array($query);





		return $structure['Create Table'];

		return $structure['Create Table'];

	}

	}


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


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

Zeile 1095Zeile 1111
			$field_info[] = $field;
}
return $field_info;

			$field_info[] = $field;
}
return $field_info;

	}


	}


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

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

Zeile 1133Zeile 1149
	 */

function supports_fulltext($table)

	 */

function supports_fulltext($table)

	{
$version = $this->get_version();

	{
$version = $this->get_version();

		$query = $this->write_query("SHOW TABLE STATUS LIKE '{$this->table_prefix}$table'");
$status = $this->fetch_array($query);
$table_type = my_strtoupper($status['Engine']);
if(version_compare($version, '3.23.23', '>=') && ($table_type == 'MYISAM' || $table_type == 'ARIA'))

		$query = $this->write_query("SHOW TABLE STATUS LIKE '{$this->table_prefix}$table'");
$status = $this->fetch_array($query);
$table_type = my_strtoupper($status['Engine']);
if(version_compare($version, '3.23.23', '>=') && ($table_type == 'MYISAM' || $table_type == 'ARIA'))

		{

		{

			return true;
}
elseif(version_compare($version, '5.6', '>=') && $table_type == 'INNODB')

			return true;
}
elseif(version_compare($version, '5.6', '>=') && $table_type == 'INNODB')

Zeile 1154Zeile 1170
	 *
* @param string $table The table to be checked.
* @return boolean True or false if supported or not.

	 *
* @param string $table The table to be checked.
* @return boolean True or false if supported or not.

	 */

	 */

	function supports_fulltext_boolean($table)
{
$version = $this->get_version();

	function supports_fulltext_boolean($table)
{
$version = $this->get_version();

Zeile 1192Zeile 1208
		}

return false;

		}

return false;

	}

	}


/**
* 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.

Zeile 1225Zeile 1241
	 * @param boolean $table_prefix use table prefix
*/
function drop_table($table, $hard=false, $table_prefix=true)

	 * @param boolean $table_prefix use table prefix
*/
function drop_table($table, $hard=false, $table_prefix=true)

	{
if($table_prefix == false)
{
$table_prefix = "";
}
else
{
$table_prefix = $this->table_prefix;

	{
if($table_prefix == false)
{
$table_prefix = "";
}
else
{
$table_prefix = $this->table_prefix;

		}

if($hard == false)

		}

if($hard == false)

Zeile 1251Zeile 1267
	 * @param string $old_table The old table name
* @param string $new_table the new table name
* @param boolean $table_prefix 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 mysqli_result

	 * @return mysqli_result

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

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

Zeile 1272Zeile 1288
	 *
* @param string $table The table
* @param array $replacements The replacements

	 *
* @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 mysqli_result|bool
*/

	 * @return mysqli_result|bool
*/

	function replace_query($table, $replacements=array())

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

	{
global $mybb;


	{
global $mybb;


Zeile 1290Zeile 1308
				}

$values .= $comma."`".$column."`=".$value;

				}

$values .= $comma."`".$column."`=".$value;

			}
else
{

			}
else
{

				$values .= $comma."`".$column."`=".$this->quote_val($value);
}

				$values .= $comma."`".$column."`=".$this->quote_val($value);
}





			$comma = ',';

			$comma = ',';

		}

		}


if(empty($replacements))
{


if(empty($replacements))
{

Zeile 1309Zeile 1327

/**
* Drops a column


/**
* Drops a column

	 *
* @param string $table The table
* @param string $column The column name
* @return mysqli_result
*/

	 *
* @param string $table The table
* @param string $column The column name
* @return mysqli_result
*/

	function drop_column($table, $column)

	function drop_column($table, $column)

	{
return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} DROP {$column}");
}



	{
$column = trim($column, '`');

return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} DROP `{$column}`");
}


/**
* Adds a column


/**
* Adds a column

Zeile 1329Zeile 1349
	 */
function add_column($table, $column, $definition)
{

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

		return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ADD {$column} {$definition}");



		$column = trim($column, '`');

return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} ADD `{$column}` {$definition}");

	}

/**

	}

/**

Zeile 1338Zeile 1360
	 * @param string $table The table
* @param string $column The column name
* @param string $new_definition the new column definition

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

	 * @return mysqli_result
*/
function modify_column($table, $column, $new_definition)



	 * @param boolean|string $new_not_null Whether to "drop" or "set" the NOT NULL attribute (no change if false)
* @param boolean|string $new_default_value The new default value, or false to drop the attribute
* @return bool Returns true if all queries are executed successfully or false if one of them failed
*/
function modify_column($table, $column, $new_definition, $new_not_null=false, $new_default_value=false)

	{

	{

		return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} MODIFY {$column} {$new_definition}");




























		$column = trim($column, '`');

if($new_not_null !== false)
{
if(strtolower($new_not_null) == "set")
{
$not_null = "NOT NULL";
}
else
{
$not_null = "NULL";
}
}
else
{
$not_null = '';
}

if($new_default_value !== null)
{
$default = "DEFAULT ".$new_default_value;
}
else
{
$default = '';
}

return (bool)$this->write_query("ALTER TABLE {$this->table_prefix}{$table} MODIFY `{$column}` {$new_definition} {$not_null}");

	}

/**

	}

/**

Zeile 1352Zeile 1403
	 * @param string $old_column The old column name
* @param string $new_column the new column name
* @param string $new_definition the new column definition

	 * @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 mysqli_result



	 * @param boolean|string $new_not_null Whether to "drop" or "set" the NOT NULL attribute (no change if false)
* @param boolean|string $new_default_value The new default value, or false to drop the attribute
* @return bool Returns true if all queries are executed successfully

	 */

	 */

	function rename_column($table, $old_column, $new_column, $new_definition)

	function rename_column($table, $old_column, $new_column, $new_definition, $new_not_null=false, $new_default_value=false)

	{

	{

		return $this->write_query("ALTER TABLE {$this->table_prefix}{$table} CHANGE {$old_column} {$new_column} {$new_definition}");





























		$old_column = trim($old_column, '`');
$new_column = trim($new_column, '`');

if($new_not_null !== false)
{
if(strtolower($new_not_null) == "set")
{
$not_null = "NOT NULL";
}
else
{
$not_null = "NULL";
}
}
else
{
$not_null = '';
}

if($new_default_value !== false)
{
$default = "DEFAULT ".$new_default_value;
}
else
{
$default = '';
}

return (bool)$this->write_query("ALTER TABLE {$this->table_prefix}{$table} CHANGE `{$old_column}` `{$new_column}` {$new_definition} {$not_null} {$default}");

	}

/**

	}

/**

Zeile 1438Zeile 1519
			'cp1251' => 'Windows Cyrillic',
'cp1256' => 'Windows Arabic',
'cp1257' => 'Windows Baltic',

			'cp1251' => 'Windows Cyrillic',
'cp1256' => 'Windows Arabic',
'cp1257' => 'Windows Baltic',

			'binary' => 'Binary pseudo charset',

 
			'geostd8' => 'GEOSTD8 Georgian',
'cp932' => 'SJIS for Windows Japanese',
'eucjpms' => 'UJIS for Windows Japanese',

			'geostd8' => 'GEOSTD8 Georgian',
'cp932' => 'SJIS for Windows Japanese',
'eucjpms' => 'UJIS for Windows Japanese',

Zeile 1487Zeile 1567
			'cp1251' => 'cp1251_general_ci',
'cp1256' => 'cp1256_general_ci',
'cp1257' => 'cp1257_general_ci',

			'cp1251' => 'cp1251_general_ci',
'cp1256' => 'cp1256_general_ci',
'cp1257' => 'cp1257_general_ci',

			'binary' => 'binary',

 
			'geostd8' => 'geostd8_general_ci',
'cp932' => 'cp932_japanese_ci',
'eucjpms' => 'eucjpms_japanese_ci',

			'geostd8' => 'geostd8_general_ci',
'cp932' => 'cp932_japanese_ci',
'eucjpms' => 'eucjpms_japanese_ci',