mirror of
https://github.com/wesnoth/wesnoth
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638 lines
14 KiB
PHP
638 lines
14 KiB
PHP
<?php
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/**
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* ADOdb Lite is a PHP class to encapsulate multiple database APIs and is compatible with
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* a subset of the ADODB Command Syntax.
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* Currently supports Frontbase, MaxDB, miniSQL, MSSQL, MSSQL Pro, MySQLi, MySQLt, MySQL, PostgresSQL,
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* PostgresSQL64, PostgresSQL7, SqLite and Sybase.
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*
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*/
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class mysqli_driver_ADOConnection extends ADOConnection
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{
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var $nameQuote = '`';
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var $sysDate = 'CURDATE()';
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var $sysTimeStamp = 'NOW()';
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function mysqli_driver_ADOConnection()
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{
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$this->dbtype = 'mysqli';
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$this->dataProvider = 'mysql';
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}
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/**
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* Connection to database server and selected database
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*
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* @access private
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*/
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function _connect($host = "", $username = "", $password = "", $database = "", $persistent, $forcenew)
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{
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if (!function_exists('mysqli_real_connect')) return false;
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$this->host = $host;
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$this->username = $username;
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$this->password = $password;
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$this->database = $database;
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$this->persistent = $persistent;
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$this->forcenewconnection = $forcenew;
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$this->connectionId = @mysqli_init();
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@mysqli_real_connect( $this->connectionId, $this->host, $this->username, $this->password, $this->database, $this->port, $this->socket, $this->clientFlags );
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if (mysqli_connect_errno() != 0)
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{
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$this->connectionId = false;
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}
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if ($this->connectionId === false)
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{
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if ($fn = $this->raiseErrorFn)
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$fn($this->dbtype, 'CONNECT', $this->ErrorNo(), $this->ErrorMsg(), $this->host, $this->database, $this);
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return false;
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}
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if (!empty($this->database))
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{
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if($this->SelectDB( $this->database ) == false)
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{
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$this->connectionId = false;
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return false;
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}
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}
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return true;
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}
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/**
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* Choose a database to connect.
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*
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* @param dbname is the name of the database to select
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* @return true or false
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* @access public
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*/
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function SelectDB($dbname)
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{
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$this->database = $dbname;
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if ($this->connectionId === false)
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{
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$this->connectionId = false;
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return false;
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}
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else
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{
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$result = @mysqli_select_db( $this->connectionId, $this->database );
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if($result === false)
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{
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if($this->createdatabase == true)
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{
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$result = @mysqli_query( $this->connectionId, "CREATE DATABASE IF NOT EXISTS " . $this->database );
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if ($result === false) { // error handling if query fails
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return false;
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}
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$result = @mysqli_select_db( $this->connectionId, $this->database );
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if($result === false)
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{
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return false;
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}
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}
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else
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{
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return false;
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}
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}
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return true;
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}
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}
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/**
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* Return database error message
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* Usage: $errormessage =& $db->ErrorMsg();
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*
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* @access public
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*/
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function ErrorMsg()
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{
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if ($this->connectionId === false)
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{
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return @mysqli_connect_error();
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}
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else
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{
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return @mysqli_error($this->connectionId);
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}
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}
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/**
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* Return database error number
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* Usage: $errorbo =& $db->ErrorNo();
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*
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* @access public
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*/
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function ErrorNo()
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{
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if ($this->connectionId === false)
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{
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return @mysqli_connect_errno();
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}
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else
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{
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return @mysqli_errno($this->connectionId);
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}
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}
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/**
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* Returns # of affected rows from insert/delete/update query
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*
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* @access public
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* @return integer Affected rows
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*/
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function Affected_Rows()
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{
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return @mysqli_affected_rows($this->connectionId);
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}
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/**
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* Returns the last record id of an inserted item
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* Usage: $db->Insert_ID();
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*
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* @access public
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*/
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function Insert_ID()
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{
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return @mysqli_insert_id($this->connectionId);
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}
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/**
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* Correctly quotes a string so that all strings are escape coded.
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* An example is $db->qstr("Haven't a clue.");
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*
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* @param string the string to quote
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* @param [magic_quotes] if $s is GET/POST var, set to get_magic_quotes_gpc().
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*
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* @return single-quoted string IE: 'Haven\'t a clue.'
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*/
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function qstr($string, $magic_quotes=false)
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{
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if (!$magic_quotes) {
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if (strnatcmp(PHP_VERSION, '4.3.0') >= 0 && function_exists('mysqli_real_escape_string')) {
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return "'" . mysqli_real_escape_string($this->connectionId, $string) . "'";
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}
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$string = str_replace("'", "\\'" , str_replace('\\', '\\\\', str_replace("\0", "\\\0", $string)));
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return "'" . $string . "'";
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}
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return "'" . str_replace('\\"', '"', $string) . "'";
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}
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function QMagic($string)
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{
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return $this->qstr($string, get_magic_quotes_gpc());
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}
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/**
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* Returns concatenated string
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* Usage: $db->Concat($str1,$str2);
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*
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* @return concatenated string
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*/
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function Concat()
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{
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$arr = func_get_args();
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$list = implode(', ', $arr);
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if (strlen($list) > 0) return "CONCAT($list)";
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else return '';
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}
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function IfNull( $field, $ifNull )
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{
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return " IFNULL($field, $ifNull) ";
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}
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/**
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* Closes database connection
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* Usage: $db->close();
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*
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* @access public
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*/
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function Close()
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{
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@mysqli_close( $this->connectionId );
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$this->connectionId = false;
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}
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/**
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* Returns All Records in an array
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*
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* Usage: $db->GetAll($sql);
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* @access public
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*/
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function &GetAll($sql, $inputarr = false)
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{
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$data =& $this->GetArray($sql, $inputarr);
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return $data;
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}
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/**
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* Returns All Records in an array
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*
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* Usage: $db->GetArray($sql);
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* @access public
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*/
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function &GetArray($sql, $inputarr = false)
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{
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$data = false;
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$result =& $this->Execute($sql, $inputarr);
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if ($result)
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{
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$data =& $result->GetArray();
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$result->Close();
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}
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return $data;
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}
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/**
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* Executes SQL query and instantiates resultset methods
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*
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* @access private
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* @return mixed Resultset methods
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*/
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function &do_query( $sql, $offset, $nrows, $inputarr=false )
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{
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global $ADODB_FETCH_MODE;
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$false = false;
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$limit = '';
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if ($offset >= 0 || $nrows >= 0)
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{
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$offset = ($offset >= 0) ? $offset . "," : '';
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$nrows = ($nrows >= 0) ? $nrows : '18446744073709551615';
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$limit = ' LIMIT ' . $offset . ' ' . $nrows;
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}
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if ($inputarr && is_array($inputarr)) {
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$sqlarr = explode('?', $sql);
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if (!is_array(reset($inputarr))) $inputarr = array($inputarr);
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foreach($inputarr as $arr) {
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$sql = ''; $i = 0;
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foreach($arr as $v) {
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$sql .= $sqlarr[$i];
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switch(gettype($v)){
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case 'string':
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$sql .= $this->qstr($v);
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break;
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case 'double':
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$sql .= str_replace(',', '.', $v);
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break;
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case 'boolean':
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$sql .= $v ? 1 : 0;
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break;
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default:
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if ($v === null)
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$sql .= 'NULL';
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else $sql .= $v;
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}
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$i += 1;
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}
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$sql .= $sqlarr[$i];
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if ($i+1 != sizeof($sqlarr))
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return $false;
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$this->sql = $sql . $limit;
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$time_start = array_sum(explode(' ', microtime()));
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$this->query_count++;
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$resultId = @mysqli_query($this->connectionId, $this->sql );
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$time_total = (array_sum(explode(' ', microtime())) - $time_start);
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$this->query_time_total += $time_total;
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if($this->debug_console)
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{
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$this->query_list[] = $this->sql;
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$this->query_list_time[] = $time_total;
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$this->query_list_errors[] = $this->ErrorMsg();
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}
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if($this->debug)
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{
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$this->outp($sql . $limit);
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}
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if ($resultId === false) { // error handling if query fails
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if ($fn = $this->raiseErrorFn)
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$fn($this->dbtype, 'EXECUTE', $this->ErrorNo(), $this->ErrorMsg(), $this->sql, $inputarr, $this);
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return $false;
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}
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}
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}
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else
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{
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$this->sql = $sql . $limit;
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$time_start = array_sum(explode(' ', microtime()));
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$this->query_count++;
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$resultId = @mysqli_query($this->connectionId, $this->sql );
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$time_total = (array_sum(explode(' ', microtime())) - $time_start);
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$this->query_time_total += $time_total;
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if($this->debug_console)
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{
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$this->query_list[] = $this->sql;
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$this->query_list_time[] = $time_total;
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$this->query_list_errors[] = $this->ErrorMsg();
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}
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if($this->debug)
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{
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$this->outp($sql . $limit);
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}
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}
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if ($resultId === false) { // error handling if query fails
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if ($fn = $this->raiseErrorFn)
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$fn($this->dbtype, 'EXECUTE', $this->ErrorNo(), $this->ErrorMsg(), $this->sql, $inputarr, $this);
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return $false;
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}
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if ($resultId === true) { // return simplified recordset for inserts/updates/deletes with lower overhead
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$recordset = new ADORecordSet_empty();
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return $recordset;
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}
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$resultset_name = $this->last_module_name . "_ResultSet";
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$recordset = new $resultset_name( $resultId, $this->connectionId );
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$recordset->_currentRow = 0;
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switch ($ADODB_FETCH_MODE)
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{
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case ADODB_FETCH_NUM: $recordset->fetchMode = MYSQLI_NUM; break;
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case ADODB_FETCH_ASSOC:$recordset->fetchMode = MYSQLI_ASSOC; break;
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default:
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case ADODB_FETCH_DEFAULT:
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case ADODB_FETCH_BOTH:$recordset->fetchMode = MYSQLI_BOTH; break;
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}
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$recordset->_numOfRows = @mysqli_num_rows( $resultId );
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if( $recordset->_numOfRows == 0)
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{
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$recordset->EOF = true;
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}
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$recordset->_numOfFields = @mysqli_num_fields( $resultId );
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$recordset->_fetch();
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return $recordset;
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}
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}
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class mysqli_driver_ResultSet
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{
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var $connectionId;
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var $fields;
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var $resultId;
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var $_currentRow = 0;
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var $_numOfRows = -1;
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var $_numOfFields = -1;
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var $fetchMode;
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var $EOF;
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/**
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* mysqlResultSet Constructor
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*
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* @access private
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* @param string $record
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* @param string $resultId
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*/
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function mysqli_driver_ResultSet( $resultId, $connectionId )
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{
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$this->fields = array();
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$this->connectionId = $connectionId;
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$this->record = array();
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$this->resultId = $resultId;
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$this->EOF = false;
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}
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/**
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* Frees resultset
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*
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* @access public
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*/
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function Close()
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{
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@mysqli_free_result( $this->resultId );
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$this->fields = array();
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$this->resultId = false;
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}
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/**
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* Returns field name from select query
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*
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* @access public
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* @param string $field
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* @return string Field name
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*/
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function fields( $field )
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{
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if(empty($field))
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{
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return $this->fields;
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}
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else
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{
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return $this->fields[$field];
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}
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}
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/**
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* Returns numrows from select query
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*
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* @access public
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* @return integer Numrows
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*/
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function RecordCount()
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{
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return $this->_numOfRows;
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}
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/**
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* Returns num of fields from select query
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*
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* @access public
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* @return integer numfields
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*/
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function FieldCount()
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{
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return $this->_numOfFields;
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}
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/**
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* Returns next record
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*
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* @access public
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*/
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function MoveNext()
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{
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if (@$this->fields = mysqli_fetch_array($this->resultId,$this->fetchMode)) {
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$this->_currentRow += 1;
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return true;
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}
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if (!$this->EOF) {
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$this->_currentRow += 1;
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$this->EOF = true;
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}
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return false;
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}
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/**
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* Move to the first row in the recordset. Many databases do NOT support this.
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*
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* @return true or false
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*/
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function MoveFirst()
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{
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if ($this->_currentRow == 0) return true;
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return $this->Move(0);
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}
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/**
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* Returns the Last Record
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*
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* @access public
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*/
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function MoveLast()
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{
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if ($this->EOF) return false;
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return $this->Move($this->_numOfRows - 1);
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}
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/**
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* Random access to a specific row in the recordset. Some databases do not support
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* access to previous rows in the databases (no scrolling backwards).
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*
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* @param rowNumber is the row to move to (0-based)
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*
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* @return true if there still rows available, or false if there are no more rows (EOF).
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*/
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function Move($rowNumber = 0)
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{
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if ($rowNumber == $this->_currentRow) return true;
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$this->EOF = false;
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if ($this->_numOfRows > 0){
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if ($rowNumber >= $this->_numOfRows - 1){
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$rowNumber = $this->_numOfRows - 1;
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}
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}
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if ($this->_seek($rowNumber)) {
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$this->_currentRow = $rowNumber;
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if ($this->_fetch()) {
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return true;
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}
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$this->fields = false;
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}
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$this->EOF = true;
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return false;
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}
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/**
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* Perform Seek to specific row
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*
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* @access private
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*/
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function _seek($row)
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{
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if ($this->_numOfRows == 0) return false;
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return @mysqli_data_seek($this->resultId,$row);
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}
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/**
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* Fills field array with first database element when query initially executed
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*
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* @access private
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*/
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function _fetch()
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{
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$this->fields = @mysqli_fetch_array($this->resultId,$this->fetchMode);
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return is_array($this->fields);
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}
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/**
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* Check to see if last record reached
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*
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* @access public
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*/
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function EOF()
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{
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if( $this->_currentRow < $this->_numOfRows)
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{
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return false;
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}
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else
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{
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$this->EOF = true;
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return true;
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}
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}
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/**
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* Returns All Records in an array
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*
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* @access public
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* @param [nRows] is the number of rows to return. -1 means every row.
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*/
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function &GetArray($nRows = -1)
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{
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$results = array();
|
|
$cnt = 0;
|
|
while (!$this->EOF && $nRows != $cnt) {
|
|
$results[] = $this->fields;
|
|
$this->MoveNext();
|
|
$cnt++;
|
|
}
|
|
return $results;
|
|
}
|
|
|
|
function &GetRows($nRows = -1)
|
|
{
|
|
$arr =& $this->GetArray($nRows);
|
|
return $arr;
|
|
}
|
|
|
|
function &GetAll($nRows = -1)
|
|
{
|
|
$arr =& $this->GetArray($nRows);
|
|
return $arr;
|
|
}
|
|
|
|
/**
|
|
* Fetch field information for a table.
|
|
*
|
|
* @return object containing the name, type and max_length
|
|
*/
|
|
function FetchField($fieldOffset = -1)
|
|
{
|
|
// $fieldOffset not supported by mysqli
|
|
$fieldObject = @mysqli_fetch_field($this->resultId);
|
|
return $fieldObject;
|
|
}
|
|
}
|
|
?>
|