<?php
/**
* Contract for every database extension supported by phpMyAdmin
*
* @package PhpMyAdmin-DBI
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
* Contract for every database extension supported by phpMyAdmin
*
* @package PhpMyAdmin-DBI
*/
interface PMA_DBI_Extension
{
/**
* connects to the database server
*
* @param string $user user name
* @param string $password user password
* @param bool $is_controluser whether this is a control user connection
* @param array $server host/port/socket/persistent
* @param bool $auxiliary_connection (when true, don't go back to login if
* connection fails)
*
* @return mixed false on error or a connection object on success
*/
public function connect(
$user, $password, $is_controluser = false, $server = null,
$auxiliary_connection = false
);
/**
* selects given database
*
* @param string $dbname database name to select
* @param resource $link connection object
*
* @return boolean
*/
public function selectDb($dbname, $link);
/**
* runs a query and returns the result
*
* @param string $query query to execute
* @param resource $link connection object
* @param int $options query options
*
* @return mixed result
*/
public function realQuery($query, $link, $options);
/**
* Run the multi query and output the results
*
* @param resource $link connection object
* @param string $query multi query statement to execute
*
* @return array|bool
*/
public function realMultiQuery($link, $query);
/**
* returns array of rows with associative and numeric keys from $result
*
* @param object $result result set identifier
*
* @return array
*/
public function fetchArray($result);
/**
* returns array of rows with associative keys from $result
*
* @param object $result result set identifier
*
* @return array
*/
public function fetchAssoc($result);
/**
* returns array of rows with numeric keys from $result
*
* @param object $result result set identifier
*
* @return array
*/
public function fetchRow($result);
/**
* Adjusts the result pointer to an arbitrary row in the result
*
* @param object $result database result
* @param integer $offset offset to seek
*
* @return bool true on success, false on failure
*/
public function dataSeek($result, $offset);
/**
* Frees memory associated with the result
*
* @param object $result database result
*
* @return void
*/
public function freeResult($result);
/**
* Check if there are any more query results from a multi query
*
* @param resource $link the connection object
*
* @return bool true or false
*/
public function moreResults($link);
/**
* Prepare next result from multi_query
*
* @param resource $link the connection object
*
* @return bool true or false
*/
public function nextResult($link);
/**
* Store the result returned from multi query
*
* @param resource $link mysql link
*
* @return mixed false when empty results / result set when not empty
*/
public function storeResult($link);
/**
* Returns a string representing the type of connection used
*
* @param resource $link mysql link
*
* @return string type of connection used
*/
public function getHostInfo($link);
/**
* Returns the version of the MySQL protocol used
*
* @param resource $link mysql link
*
* @return integer version of the MySQL protocol used
*/
public function getProtoInfo($link);
/**
* returns a string that represents the client library version
*
* @return string MySQL client library version
*/
public function getClientInfo();
/**
* returns last error message or false if no errors occurred
*
* @param resource $link connection link
*
* @return string|bool $error or false
*/
public function getError($link);
/**
* returns the number of rows returned by last query
*
* @param object $result result set identifier
*
* @return string|int
*/
public function numRows($result);
/**
* returns the number of rows affected by last query
*
* @param resource $link the connection object
*
* @return int
*/
public function affectedRows($link);
/**
* returns metainfo for fields in $result
*
* @param object $result result set identifier
*
* @return array meta info for fields in $result
*/
public function getFieldsMeta($result);
/**
* return number of fields in given $result
*
* @param object $result result set identifier
*
* @return int field count
*/
public function numFields($result);
/**
* returns the length of the given field $i in $result
*
* @param object $result result set identifier
* @param int $i field
*
* @return int length of field
*/
public function fieldLen($result, $i);
/**
* returns name of $i. field in $result
*
* @param object $result result set identifier
* @param int $i field
*
* @return string name of $i. field in $result
*/
public function fieldName($result, $i);
/**
* returns concatenated string of human readable field flags
*
* @param object $result result set identifier
* @param int $i field
*
* @return string field flags
*/
public function fieldFlags($result, $i);
}
/**
* Defines PMA_MYSQL_CLIENT_API if it does not exist based
* on MySQL client version.
*
* @param string $version MySQL version string
*
* @return void
*/
function PMA_defineClientAPI($version)
{
if (! defined('PMA_MYSQL_CLIENT_API')) {
$client_api = explode('.', $version);
define(
'PMA_MYSQL_CLIENT_API',
(int)sprintf(
'%d%02d%02d',
$client_api[0], $client_api[1], intval($client_api[2])
)
);
}
}
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