Vergleich inc/db_pgsql.php - 1.8.5 - 1.8.7

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Zeile 153Zeile 153
	/**
* Connect to the database server.
*

	/**
* Connect to the database server.
*

	 * @param array Array of DBMS connection details.

	 * @param array $config Array of DBMS connection details.

	 * @return resource The DB connection resource. Returns false on failure
*/
function connect($config)

	 * @return resource The DB connection resource. Returns false on failure
*/
function connect($config)

Zeile 279Zeile 279
	/**
* Query the database.
*

	/**
* Query the database.
*

	 * @param string The query SQL.
* @param boolean 1 if hide errors, 0 if not.
* @param integer 1 if executes on slave database, 0 if not.

	 * @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 slave database, 0 if not.

	 * @return resource The query data.
*/
function query($string, $hide_errors=0, $write_query=0)
{

	 * @return resource The query data.
*/
function query($string, $hide_errors=0, $write_query=0)
{

		global $pagestarttime, $db, $mybb;


		global $mybb;


		$string = preg_replace("#LIMIT (\s*)([0-9]+),(\s*)([0-9]+)$#im", "LIMIT $4 OFFSET $2", trim($string));

		$string = preg_replace("#LIMIT (\s*)([0-9]+),(\s*)([0-9]+)$#im", "LIMIT $4 OFFSET $2", trim($string));





		$this->last_query = $string;

		$this->last_query = $string;





		get_execution_time();

if(strtolower(substr(ltrim($string), 0, 5)) == 'alter')

		get_execution_time();

if(strtolower(substr(ltrim($string), 0, 5)) == 'alter')

Zeile 300Zeile 300
			if(strstr($string, 'CHANGE') !== false)
{
$string = str_replace(' CHANGE ', ' ALTER ', $string);

			if(strstr($string, 'CHANGE') !== false)
{
$string = str_replace(' CHANGE ', ' ALTER ', $string);

			}
}


			}
}


		if($write_query && $this->write_link)

		if($write_query && $this->write_link)

		{

		{

			while(pg_connection_busy($this->write_link));
$this->current_link = &$this->write_link;

			while(pg_connection_busy($this->write_link));
$this->current_link = &$this->write_link;

			pg_send_query($this->current_link, $string);
$query = pg_get_result($this->current_link);

			pg_send_query($this->current_link, $string);
$query = pg_get_result($this->current_link);

		}
else
{

		}
else
{

Zeile 316Zeile 316
			$this->current_link = &$this->read_link;
pg_send_query($this->current_link, $string);
$query = pg_get_result($this->current_link);

			$this->current_link = &$this->read_link;
pg_send_query($this->current_link, $string);
$query = pg_get_result($this->current_link);

		}


		}


		if((pg_result_error($query) && !$hide_errors))
{
$this->error($string, $query);

		if((pg_result_error($query) && !$hide_errors))
{
$this->error($string, $query);

Zeile 339Zeile 339
	/**
* Execute a write query on the slave database
*

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

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

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

	 * @return resource The query data.
*/
function write_query($query, $hide_errors=0)

	 * @return resource The query data.
*/
function write_query($query, $hide_errors=0)

Zeile 350Zeile 350

/**
* 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)
{

Zeile 380Zeile 380
			$this->explain .=
"<tr>\n".
"<td colspan=\"8\" style=\"background-color: #fff;\">Query Time: ".format_time_duration($qtime)."</td>\n".

			$this->explain .=
"<tr>\n".
"<td colspan=\"8\" style=\"background-color: #fff;\">Query Time: ".format_time_duration($qtime)."</td>\n".

				"</tr>\n".
"</table>\n".
"<br />\n";
}

				"</tr>\n".
"</table>\n".
"<br />\n";
}

		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".

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

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

Zeile 399Zeile 399
				"</table>\n".
"<br />\n";
}

				"</table>\n".
"<br />\n";
}





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

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

Zeile 407Zeile 407
	/**
* Return a result array for a query.
*

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

	 * @param resource The query ID.
* @param constant The type of array to return.
* @return array The array of results.

	 * @param resource $query The query ID.
* @param int $resulttype The type of array to return. Either PGSQL_NUM, PGSQL_BOTH or PGSQL_ASSOC
* @return array The array of results. Note that all fields are returned as string: http://php.net/manual/en/function.pg-fetch-array.php

	 */
function fetch_array($query, $resulttype=PGSQL_ASSOC)
{

	 */
function fetch_array($query, $resulttype=PGSQL_ASSOC)
{

Zeile 417Zeile 417
		{
case PGSQL_NUM:
case PGSQL_BOTH:

		{
case PGSQL_NUM:
case PGSQL_BOTH:

				break;

				break;

			default:
$resulttype = PGSQL_ASSOC;
break;
}

			default:
$resulttype = PGSQL_ASSOC;
break;
}





		$array = pg_fetch_array($query, NULL, $resulttype);

return $array;

		$array = pg_fetch_array($query, NULL, $resulttype);

return $array;

	}

	}


/**
* 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 resource $query The query ID.
* @param string $field The name of the field to return.
* @param int|bool The number of the row to fetch it from.
* @return string|bool|null As per http://php.net/manual/en/function.pg-fetch-result.php

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

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

Zeile 451Zeile 452
	/**
* 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 resource $query The query ID.
* @param int $row The pointer to move the row to.
* @return bool

	 */
function data_seek($query, $row)

	 */
function data_seek($query, $row)

	{

	{

		return pg_result_seek($query, $row);
}

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

		return pg_result_seek($query, $row);
}

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

	 * @param resource The query ID.

	 * @param resource $query The query ID.

	 * @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 489Zeile 491
		// Do we not have a primary field?
if(!$field)
{

		// Do we not have a primary field?
if(!$field)
{

			return;

			return 0;

		}

$id = $this->write_query("SELECT currval(pg_get_serial_sequence('{$table}', '{$field}')) AS last_value");

		}

$id = $this->write_query("SELECT currval(pg_get_serial_sequence('{$table}', '{$field}')) AS last_value");

Zeile 512Zeile 514
	/**
* Return an error number.
*

	/**
* Return an error number.
*

 
	 * @param resource $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 || !function_exists("pg_result_error_field"))

		if($query != null || !function_exists("pg_result_error_field"))

		{
return 0;
}

		{
return 0;
}

Zeile 527Zeile 530
	/**
* Return an error string.
*

	/**
* Return an error string.
*

 
	 * @param resource $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($query)

		if($query != null)

		{
return pg_result_error($query);
}

		{
return pg_result_error($query);
}

Zeile 549Zeile 553
	/**
* 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 resource $query

	 */

	 */

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

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

	{
if($this->error_reporting)
{

	{
if($this->error_reporting)
{

Zeile 592Zeile 597
	/**
* Return the number of fields.
*

	/**
* Return the number of fields.
*

	 * @param resource The query ID.

	 * @param resource $query The query ID.

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

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

Zeile 603Zeile 608
	/**
* 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 630Zeile 635
	/**
* 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 653Zeile 658
	/**
* 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 676Zeile 681
	/**
* Add a shutdown query.
*

	/**
* Add a shutdown query.
*

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

	 * @param resource $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)
{
$shutdown_queries[$name] = $query;

	{
global $shutdown_queries;
if($name)
{
$shutdown_queries[$name] = $query;

		}
else

		}
else

		{
$shutdown_queries[] = $query;
}

		{
$shutdown_queries[] = $query;
}

Zeile 695Zeile 700
	/**
* 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.

	 * @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 resource The query data.
*/
function simple_select($table, $fields="*", $conditions="", $options=array())

	 * @return resource The query data.
*/
function simple_select($table, $fields="*", $conditions="", $options=array())

Zeile 715Zeile 720
		}

if(isset($options['order_by']))

		}

if(isset($options['order_by']))

		{

		{

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

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

		}

		}


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


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

		}
else if(isset($options['limit']))

		}
else if(isset($options['limit']))

		{
$query .= " LIMIT ".$options['limit'];
}

		{
$query .= " LIMIT ".$options['limit'];
}

Zeile 738Zeile 743
	/**
* 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.
* @param boolean Whether or not to return an insert id. True by default
* @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.
* @param boolean $insert_id Whether or not to return an insert id. True by default
* @return int|bool The insert ID if available. False on failure and true if $insert_id is false

	 */
function insert_query($table, $array, $insert_id=true)
{

	 */
function insert_query($table, $array, $insert_id=true)
{

Zeile 785Zeile 790
	/**
* 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 795Zeile 800

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 829Zeile 834
	/**
* 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.

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

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

Zeile 878Zeile 883
		");
}


		");
}


 
	/**
* @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 895Zeile 906
	/**
* 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.

	 * @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 resource The query data.
*/
function delete_query($table, $where="", $limit="")

	 * @return resource The query data.
*/
function delete_query($table, $where="", $limit="")

Zeile 918Zeile 929
	/**
* Escape a string according to the pg escape format.
*

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

	 * @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 935Zeile 946
	}

/**

	}

/**

	 * Frees the resources of a MySQLi query.

	 * Frees the resources of a PgSQL query.

	 *

	 *

	 * @param object The query to destroy.
* @return boolean Returns true on success, false on faliure

	 * @param resource $query The query to destroy.
* @return boolean Returns true on success, false on failure

	 */
function free_result($query)
{

	 */
function free_result($query)
{

Zeile 948Zeile 959
	/**
* 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 978Zeile 989
	/**
* 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 988Zeile 999
	/**
* 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 998Zeile 1009
	/**
* 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.

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

	 * @return string The pg command to create the specified table.
*/
function show_create_table($table)

	 * @return string The pg command to create the specified table.
*/
function show_create_table($table)

Zeile 1081Zeile 1092
		");

$primary_key = array();

		");

$primary_key = array();

 
		$primary_key_name = '';


// We do this in two steps. It makes placing the comma easier
while($row = $this->fetch_array($query))


// We do this in two steps. It makes placing the comma easier
while($row = $this->fetch_array($query))

		{

		{

			if($row['primary_key'] == 't')
{
$primary_key[] = $row['column_name'];

			if($row['primary_key'] == 't')
{
$primary_key[] = $row['column_name'];

Zeile 1106Zeile 1118
	/**
* 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 1119Zeile 1131
			FROM information_schema.columns
WHERE table_name = '{$this->table_prefix}{$table}'
");

			FROM information_schema.columns
WHERE table_name = '{$this->table_prefix}{$table}'
");

 
		$field_info = array();

		while($field = $this->fetch_array($query))
{
if($field['field'] == $primary_key)

		while($field = $this->fetch_array($query))
{
if($field['field'] == $primary_key)

Zeile 1135Zeile 1148
	/**
* 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 1147Zeile 1160
	/**
* 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 1159Zeile 1172
	/**
* 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 1170Zeile 1183
	/**
* 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 1182Zeile 1196
	/**
* 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 1196Zeile 1210
	/**
* 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 1221Zeile 1236

/**
* 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 1240Zeile 1255
		if($hard == false)
{
if($this->table_exists($table))

		if($hard == false)
{
if($this->table_exists($table))

			{

			{

				$this->write_query('DROP TABLE '.$table_prefix.$table);
}

				$this->write_query('DROP TABLE '.$table_prefix.$table);
}

		}

		}

		else
{
$this->write_query('DROP TABLE '.$table_prefix.$table);
}

		else
{
$this->write_query('DROP TABLE '.$table_prefix.$table);
}





		$query = $this->query("SELECT column_name FROM information_schema.constraint_column_usage WHERE table_name = '{$table}' and constraint_name = '{$table}_pkey' LIMIT 1");
$field = $this->fetch_field($query, 'column_name');

// Do we not have a primary field?

		$query = $this->query("SELECT column_name FROM information_schema.constraint_column_usage WHERE table_name = '{$table}' and constraint_name = '{$table}_pkey' LIMIT 1");
$field = $this->fetch_field($query, 'column_name');

// Do we not have a primary field?

		if($field)
{
$this->write_query('DROP SEQUENCE {$table}_{$field}_id_seq');

		if($field)
{
$this->write_query('DROP SEQUENCE {$table}_{$field}_id_seq');

		}
}

/**
* 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 resource

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

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

Zeile 1283Zeile 1299
	/**
* 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|resource|bool Returns either the insert id (if a new row is inserted and $insert_id is true), a boolean (if $insert_id is wrong) or the query resource (if a row is updated)

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

if($default_field == "")

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

if($default_field == "")

		{

		{

			$query = $this->write_query("SELECT column_name FROM information_schema.constraint_column_usage WHERE table_name = '{$this->table_prefix}{$table}' and constraint_name = '{$this->table_prefix}{$table}_pkey' LIMIT 1");
$main_field = $this->fetch_field($query, 'column_name');
}

			$query = $this->write_query("SELECT column_name FROM information_schema.constraint_column_usage WHERE table_name = '{$this->table_prefix}{$table}' and constraint_name = '{$this->table_prefix}{$table}_pkey' LIMIT 1");
$main_field = $this->fetch_field($query, 'column_name');
}

Zeile 1303Zeile 1320
		}

$update = false;

		}

$update = false;

 
		$search_bit = array();

		if(is_array($main_field) && !empty($main_field))
{

		if(is_array($main_field) && !empty($main_field))
{

			$search_bit = array();
$string = '';

 
			foreach($main_field as $field)
{
if(isset($mybb->binary_fields[$table][$field]) && $mybb->binary_fields[$table][$field])

			foreach($main_field as $field)
{
if(isset($mybb->binary_fields[$table][$field]) && $mybb->binary_fields[$table][$field])

				{

				{

					$search_bit[] = "{$field} = ".$replacements[$field];
}
else

					$search_bit[] = "{$field} = ".$replacements[$field];
}
else

Zeile 1324Zeile 1340
			if($this->fetch_field($query, "count") == 1)
{
$update = true;

			if($this->fetch_field($query, "count") == 1)
{
$update = true;

			}
}
else

			}
}
else

		{
$query = $this->write_query("SELECT {$main_field} FROM {$this->table_prefix}{$table}");


		{
$query = $this->write_query("SELECT {$main_field} FROM {$this->table_prefix}{$table}");


Zeile 1341Zeile 1357
		}

if($update === true)

		}

if($update === true)

		{

		{

			if(is_array($main_field))

			if(is_array($main_field))

			{

			{

				return $this->update_query($table, $replacements, $search_bit);

				return $this->update_query($table, $replacements, $search_bit);

			}

			}

			else
{
return $this->update_query($table, $replacements, "{$main_field}=".$this->quote_val($replacements[$main_field]));

			else
{
return $this->update_query($table, $replacements, "{$main_field}=".$this->quote_val($replacements[$main_field]));

Zeile 1357Zeile 1373
		}
}


		}
}


 
	/**
* @param string $table
* @param string $append
*
* @return string
*/

	function build_fields_string($table, $append="")
{
$fields = $this->show_fields_from($table);

	function build_fields_string($table, $append="")
{
$fields = $this->show_fields_from($table);

		$comma = '';

		$comma = $fieldstring = '';


foreach($fields as $key => $field)
{


foreach($fields as $key => $field)
{

Zeile 1374Zeile 1396
	/**
* 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 resource

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

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

Zeile 1385Zeile 1408
	/**
* 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 resource

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

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

Zeile 1397Zeile 1421
	/**
* Modifies a column
*

	/**
* Modifies a column
*

	 * @param string The table
* @param string The column name
* @param string the new column definition
* @param boolean Whether to drop or set a column
* @param boolean The new default value (if one is to be set)


	 * @param string $table The table
* @param string $column The column name
* @param string $new_definition the new column definition
* @param boolean $new_not_null Whether to drop or set a column
* @param boolean $new_default_value The new default value (if one is to be set)
* @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)
{

	 */
function modify_column($table, $column, $new_definition, $new_not_null=false, $new_default_value=false)
{

Zeile 1439Zeile 1464
	/**
* 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 boolean Whether to drop or set a column
* @param boolean The new default value (if one is to be set)


	 * @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
* @param boolean $new_not_null Whether to drop or set a column
* @param boolean $new_default_value The new default value (if one is to be set)
* @return bool Returns true if all queries are executed successfully

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

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

Zeile 1456Zeile 1482
	/**
* 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 1466Zeile 1492
	/**
* 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)

	 * @param string $table The table (optional)

	 * @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 1490Zeile 1516
	/**
* 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 1500Zeile 1526
	/**
* 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 1531Zeile 1557
	/**
* 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 1542Zeile 1568
	/**
* 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)