455 lines
10 KiB
PHP
455 lines
10 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Fake database driver for testing purposes
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*
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* It has hardcoded results for given queries what makes easy to use it
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* in testsuite. Feel free to include other queries which your test will
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* need.
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*
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* @package PhpMyAdmin-DBI
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* @subpackage Dummy
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*/
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namespace PhpMyAdmin\Dbi;
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require_once 'libraries/dbi/dbi_dummy.inc.php';
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/**
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* Fake database driver for testing purposes
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*
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* It has hardcoded results for given queries what makes easy to use it
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* in testsuite. Feel free to include other queries which your test will
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* need.
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*
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* @package PhpMyAdmin-DBI
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* @subpackage Dummy
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*/
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class DbiDummy implements DbiExtension
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{
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private $_queries = array();
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const OFFSET_GLOBAL = 1000;
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/**
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* connects to the database server
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*
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* @param string $user mysql user name
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* @param string $password mysql user password
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* @param array $server host/port/socket/persistent
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*
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* @return mixed false on error or a mysqli object on success
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*/
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public function connect(
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$user,
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$password,
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array $server = []
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) {
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return true;
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}
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/**
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* selects given database
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*
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* @param string $dbname name of db to select
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* @param resource $link mysql link resource
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*
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* @return bool
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*/
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public function selectDb($dbname, $link)
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{
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$GLOBALS['dummy_db'] = $dbname;
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return true;
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}
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/**
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* runs a query and returns the result
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*
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* @param string $query query to run
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* @param resource $link mysql link resource
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* @param int $options query options
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*
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* @return mixed
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*/
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public function realQuery($query, $link = null, $options = 0)
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{
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$query = trim(preg_replace('/ */', ' ', str_replace("\n", ' ', $query)));
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for ($i = 0, $nb = count($this->_queries); $i < $nb; $i++) {
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if ($this->_queries[$i]['query'] != $query) {
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continue;
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}
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$this->_queries[$i]['pos'] = 0;
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if (!is_array($this->_queries[$i]['result'])) {
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return false;
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}
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return $i;
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}
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for ($i = 0, $nb = count($GLOBALS['dummy_queries']); $i < $nb; $i++) {
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if ($GLOBALS['dummy_queries'][$i]['query'] != $query) {
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continue;
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}
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$GLOBALS['dummy_queries'][$i]['pos'] = 0;
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if (!is_array($GLOBALS['dummy_queries'][$i]['result'])) {
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return false;
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}
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return $i + self::OFFSET_GLOBAL;
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}
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echo "Not supported query: $query\n";
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return false;
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}
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/**
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* Run the multi query and output the results
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*
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* @param resource $link connection object
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* @param string $query multi query statement to execute
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*
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* @return array|bool
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*/
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public function realMultiQuery($link, $query)
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{
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return false;
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}
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/**
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* returns result data from $result
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*
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* @param object $result MySQL result
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*
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* @return array
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*/
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public function fetchAny($result)
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{
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$query_data = &$this->getQueryData($result);
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if ($query_data['pos'] >= count($query_data['result'])) {
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return false;
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}
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$ret = $query_data['result'][$query_data['pos']];
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$query_data['pos'] += 1;
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return $ret;
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}
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/**
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* returns array of rows with associative and numeric keys from $result
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*
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* @param object $result result MySQL result
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*
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* @return array
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*/
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public function fetchArray($result)
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{
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$query_data = &$this->getQueryData($result);
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$data = $this->fetchAny($result);
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if (!is_array($data)
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|| !isset($query_data['columns'])
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) {
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return $data;
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}
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foreach ($data as $key => $val) {
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$data[$query_data['columns'][$key]] = $val;
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}
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return $data;
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}
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/**
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* returns array of rows with associative keys from $result
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*
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* @param object $result MySQL result
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*
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* @return array
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*/
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public function fetchAssoc($result)
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{
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$data = $this->fetchAny($result);
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$query_data = &$this->getQueryData($result);
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if (!is_array($data) || !isset($query_data['columns'])) {
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return $data;
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}
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$ret = array();
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foreach ($data as $key => $val) {
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$ret[$query_data['columns'][$key]] = $val;
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}
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return $ret;
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}
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/**
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* returns array of rows with numeric keys from $result
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*
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* @param object $result MySQL result
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*
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* @return array
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*/
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public function fetchRow($result)
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{
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$data = $this->fetchAny($result);
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return $data;
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}
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/**
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* Adjusts the result pointer to an arbitrary row in the result
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*
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* @param object $result database result
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* @param integer $offset offset to seek
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*
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* @return bool true on success, false on failure
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*/
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public function dataSeek($result, $offset)
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{
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$query_data = &$this->getQueryData($result);
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if ($offset > count($query_data['result'])) {
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return false;
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}
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$query_data['pos'] = $offset;
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return true;
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}
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/**
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* Frees memory associated with the result
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*
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* @param object $result database result
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*
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* @return void
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*/
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public function freeResult($result)
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{
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return;
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}
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/**
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* Check if there are any more query results from a multi query
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*
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* @param resource $link the connection object
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*
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* @return bool false
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*/
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public function moreResults($link)
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{
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return false;
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}
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/**
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* Prepare next result from multi_query
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*
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* @param resource $link the connection object
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*
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* @return boolean false
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*/
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public function nextResult($link)
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{
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return false;
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}
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/**
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* Store the result returned from multi query
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*
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* @param resource $link the connection object
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*
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* @return mixed false when empty results / result set when not empty
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*/
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public function storeResult($link)
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{
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return false;
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}
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/**
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* Returns a string representing the type of connection used
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*
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* @param resource $link mysql link
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*
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* @return string type of connection used
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*/
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public function getHostInfo($link)
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{
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return '';
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}
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/**
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* Returns the version of the MySQL protocol used
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*
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* @param resource $link mysql link
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*
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* @return integer version of the MySQL protocol used
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*/
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public function getProtoInfo($link)
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{
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return -1;
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}
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/**
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* returns a string that represents the client library version
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*
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* @return string MySQL client library version
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*/
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public function getClientInfo()
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{
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return '';
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}
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/**
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* returns last error message or false if no errors occurred
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*
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* @param resource $link connection link
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*
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* @return string|bool $error or false
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*/
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public function getError($link)
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{
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return false;
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}
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/**
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* returns the number of rows returned by last query
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*
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* @param object $result MySQL result
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*
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* @return string|int
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*/
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public function numRows($result)
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{
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if (is_bool($result)) {
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return 0;
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}
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$query_data = &$this->getQueryData($result);
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return count($query_data['result']);
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}
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/**
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* returns the number of rows affected by last query
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*
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* @param resource $link the mysql object
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* @param bool $get_from_cache whether to retrieve from cache
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*
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* @return string|int
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*/
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public function affectedRows($link = null, $get_from_cache = true)
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{
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return 0;
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}
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/**
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* returns metainfo for fields in $result
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*
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* @param object $result result set identifier
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*
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* @return array meta info for fields in $result
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*/
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public function getFieldsMeta($result)
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{
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return array();
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}
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/**
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* return number of fields in given $result
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*
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* @param object $result MySQL result
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*
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* @return int field count
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*/
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public function numFields($result)
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{
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$query_data = &$this->getQueryData($result);
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if (!isset($query_data['columns'])) {
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return 0;
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}
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return count($query_data['columns']);
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}
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/**
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* returns the length of the given field $i in $result
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*
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* @param object $result result set identifier
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* @param int $i field
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*
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* @return int length of field
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*/
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public function fieldLen($result, $i)
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{
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return -1;
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}
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/**
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* returns name of $i. field in $result
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*
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* @param object $result result set identifier
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* @param int $i field
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*
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* @return string name of $i. field in $result
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*/
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public function fieldName($result, $i)
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{
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return '';
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}
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/**
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* returns concatenated string of human readable field flags
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*
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* @param object $result result set identifier
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* @param int $i field
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*
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* @return string field flags
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*/
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public function fieldFlags($result, $i)
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{
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return '';
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}
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/**
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* returns properly escaped string for use in MySQL queries
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*
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* @param mixed $link database link
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* @param string $str string to be escaped
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*
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* @return string a MySQL escaped string
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*/
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public function escapeString($link, $str)
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{
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return $str;
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}
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/**
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* Adds query result for testing
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*
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* @param string $query SQL
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* @param array $result Expected result
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*
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* @return void
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*/
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public function setResult($query, $result)
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{
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$this->_queries[] = array(
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'query' => $query,
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'result' => $result,
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);
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}
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/**
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* Return query data for ID
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*
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* @param object $result result set identifier
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*
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* @return array
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*/
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private function &getQueryData($result)
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{
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if ($result >= self::OFFSET_GLOBAL) {
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return $GLOBALS['dummy_queries'][$result - self::OFFSET_GLOBAL];
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} else {
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return $this->_queries[$result];
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}
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}
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}
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