813 lines
20 KiB
PHP
813 lines
20 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* This file is a part of MyWebSQL package
|
||
|
|
* A very simple to use and easy to debug mysql5 wrapper class
|
||
|
|
*
|
||
|
|
* @file: lib/db/mysql5.php
|
||
|
|
* @author Samnan ur Rehman
|
||
|
|
* @copyright (c) 2008-2014 Samnan ur Rehman
|
||
|
|
* @web http://mywebsql.net
|
||
|
|
* @license http://mywebsql.net/license
|
||
|
|
*/
|
||
|
|
|
||
|
|
if (defined("CLASS_DB_MYSQL5_INCLUDED"))
|
||
|
|
return true;
|
||
|
|
|
||
|
|
define("CLASS_DB_MYSQL5_INCLUDED", "1");
|
||
|
|
|
||
|
|
class DB_Mysql5 {
|
||
|
|
var $ip, $user, $password, $db;
|
||
|
|
var $conn;
|
||
|
|
var $result; // array
|
||
|
|
var $errMsg;
|
||
|
|
var $escapeData;
|
||
|
|
var $lastQuery;
|
||
|
|
var $queryTime;
|
||
|
|
|
||
|
|
// these help identify field definitions more clearly
|
||
|
|
var $field_types = array(
|
||
|
|
7 => 'datetime',
|
||
|
|
10 => 'date',
|
||
|
|
11 => 'time',
|
||
|
|
12 => 'datetime',
|
||
|
|
13 => 'year',
|
||
|
|
16 => 'bit',
|
||
|
|
246 => 'numeric'
|
||
|
|
);
|
||
|
|
|
||
|
|
function DB_Mysql5() {
|
||
|
|
$this->conn = null;
|
||
|
|
$this->errMsg = null;
|
||
|
|
$this->escapeData = true;
|
||
|
|
$this->result = array();
|
||
|
|
}
|
||
|
|
|
||
|
|
function name() {
|
||
|
|
return 'mysql';
|
||
|
|
}
|
||
|
|
|
||
|
|
function hasServer() {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function hasObject($type) {
|
||
|
|
switch($type) {
|
||
|
|
case 'table':
|
||
|
|
case 'view':
|
||
|
|
case 'procedure':
|
||
|
|
case 'function':
|
||
|
|
case 'trigger':
|
||
|
|
return true;
|
||
|
|
break;
|
||
|
|
case 'event':
|
||
|
|
if ( ((float)Session::get('db', 'version_full')) >= 5.1 )
|
||
|
|
return true;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getObjectTypes() {
|
||
|
|
$types = array(
|
||
|
|
'tables', 'views', 'procedures', 'functions', 'triggers'
|
||
|
|
);
|
||
|
|
|
||
|
|
if ($this->hasObject('event'))
|
||
|
|
$types[] = 'events';
|
||
|
|
|
||
|
|
return $types;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getObjectList( $details = false ) {
|
||
|
|
$data = array(
|
||
|
|
'tables' => $this->getTables( $details ),
|
||
|
|
'views' => $this->getViews(),
|
||
|
|
'procedures' => $this->getProcedures(),
|
||
|
|
'functions' => $this->getFunctions(),
|
||
|
|
'triggers' => $this->getTriggers(),
|
||
|
|
);
|
||
|
|
|
||
|
|
if ($this->hasObject('event'))
|
||
|
|
$data['events'] = $this->getEvents();
|
||
|
|
|
||
|
|
return $data;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getBackQuotes() {
|
||
|
|
return '`';
|
||
|
|
}
|
||
|
|
|
||
|
|
function getQuotes() {
|
||
|
|
return '"';
|
||
|
|
}
|
||
|
|
|
||
|
|
function getStandardDbList() {
|
||
|
|
return array( 'information_schema', 'performance_schema', 'mysql', 'test' );
|
||
|
|
}
|
||
|
|
|
||
|
|
function setAuthOptions($options) {
|
||
|
|
}
|
||
|
|
|
||
|
|
function connect($ip, $user, $password, $db="") {
|
||
|
|
if (!function_exists('mysql_connect')) {
|
||
|
|
return $this->error(str_replace('{{NAME}}', 'MySQL', __('{{NAME}} client library is not installed')));
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->conn = @mysql_connect($ip, $user, $password);
|
||
|
|
if (!$this->conn)
|
||
|
|
return $this->error(__('Database connection failed to the server'));
|
||
|
|
|
||
|
|
if ($db && !@mysql_select_db($db, $this->conn))
|
||
|
|
return $this->error(mysql_error($this->conn));
|
||
|
|
|
||
|
|
$this->ip = $ip;
|
||
|
|
$this->user = $user;
|
||
|
|
$this->password = $password;
|
||
|
|
$this->db = $db;
|
||
|
|
|
||
|
|
$this->selectVersion();
|
||
|
|
$this->query("SET CHARACTER SET 'utf8'");
|
||
|
|
$this->query("SET collation_connection = 'utf8_general_ci'");
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function disconnect() {
|
||
|
|
@mysql_close($this->conn);
|
||
|
|
$this->conn = false;
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getCurrentUser() {
|
||
|
|
if ($this->query('select user()')) {
|
||
|
|
$row = $this->fetchRow();
|
||
|
|
return $row[0];
|
||
|
|
}
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
|
||
|
|
function selectDb($db) {
|
||
|
|
$this->db = $db;
|
||
|
|
mysql_select_db($this->db);
|
||
|
|
}
|
||
|
|
|
||
|
|
function createDatabase( $name ) {
|
||
|
|
$sql = "create database `".$this->escape($name)."`";
|
||
|
|
return $this->query($sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
function query($sql, $stack=0) { // call with query($sql, 1) to store multiple results
|
||
|
|
if (!$this->conn) {
|
||
|
|
log_message("DB: Connection has been closed");
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->result[$stack] = "";
|
||
|
|
|
||
|
|
$this->lastQuery = $sql;
|
||
|
|
$this->queryTime = $this->getMicroTime();
|
||
|
|
$this->result[$stack] = @mysql_query($sql, $this->conn);
|
||
|
|
$this->queryTime = $this->getMicroTime() - $this->queryTime;
|
||
|
|
|
||
|
|
if (!$this->result[$stack]) {
|
||
|
|
$this->errMsg = mysql_error($this->conn);
|
||
|
|
log_message("DB: $sql ::: ".@mysql_error($this->conn));
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getWarnings() {
|
||
|
|
$ret = array();
|
||
|
|
$res = $this->query("SHOW WARNINGS", '_warning');
|
||
|
|
if ($res !== FALSE) {
|
||
|
|
while($row = $this->fetchRow('_warning'))
|
||
|
|
$ret[$row['Code']] = $row['Message'];
|
||
|
|
}
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getQueryTime($time=false) { // returns formatted given value or internal query time
|
||
|
|
return sprintf("%.2f", ($time ? $time : $this->queryTime) * 1000) . " ms";
|
||
|
|
}
|
||
|
|
|
||
|
|
function hasAffectedRows() {
|
||
|
|
return ($this->getAffectedRows() > 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
function insert($table, $values) {
|
||
|
|
if (!is_array($values))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
$sql = "insert into $table (";
|
||
|
|
|
||
|
|
foreach($values as $field=>$value)
|
||
|
|
$sql .= " $field,";
|
||
|
|
|
||
|
|
$sql = substr($sql, 0, strlen($sql) - 1);
|
||
|
|
|
||
|
|
$sql .= ") values (";
|
||
|
|
|
||
|
|
foreach($values as $field=>$value) {
|
||
|
|
if ($this->escapeData)
|
||
|
|
$sql .= "'" . $this->escape($value) . "',";
|
||
|
|
else
|
||
|
|
$sql .= "'$value',";
|
||
|
|
}
|
||
|
|
|
||
|
|
$sql = substr($sql, 0, strlen($sql) - 1);
|
||
|
|
|
||
|
|
$sql .= ")";
|
||
|
|
|
||
|
|
return $this->query($sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
function update($table, $values, $condition="") {
|
||
|
|
if (!is_array($values))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
$sql = "update $table set ";
|
||
|
|
|
||
|
|
foreach($values as $field=>$value) {
|
||
|
|
if ($this->escapeData)
|
||
|
|
$sql .= "$field = '" . $this->escape($field) . "',";
|
||
|
|
else
|
||
|
|
$sql .= "$field = '$value',";
|
||
|
|
}
|
||
|
|
|
||
|
|
$sql = substr($sql, 0, strlen($sql) - 1);
|
||
|
|
|
||
|
|
if ($condition != "")
|
||
|
|
$sql .= "$condition";
|
||
|
|
|
||
|
|
return $this->query($sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
function getInsertID() {
|
||
|
|
return mysql_insert_id($this->conn);
|
||
|
|
}
|
||
|
|
|
||
|
|
function getResult($stack=0) {
|
||
|
|
return $this->result[$stack];
|
||
|
|
}
|
||
|
|
|
||
|
|
function hasResult($stack=0) {
|
||
|
|
return ($this->result[$stack] !== TRUE && $this->result[$stack] !== FALSE);
|
||
|
|
}
|
||
|
|
|
||
|
|
function fetchRow($stack=0, $type="") {
|
||
|
|
if($type == "")
|
||
|
|
$type = MYSQL_BOTH;
|
||
|
|
else if ($type == "num")
|
||
|
|
$type = MYSQL_NUM;
|
||
|
|
else if ($type == "assoc")
|
||
|
|
$type = MYSQL_ASSOC;
|
||
|
|
|
||
|
|
if (!$this->result[$stack]) {
|
||
|
|
log_message("DB: called fetchRow[$stack] but result is false");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
return @mysql_fetch_array($this->result[$stack], $type);
|
||
|
|
}
|
||
|
|
|
||
|
|
function fetchSpecificRow($num, $type="", $stack=0) {
|
||
|
|
if($type == "")
|
||
|
|
$type = MYSQL_BOTH;
|
||
|
|
else if ($type == "num")
|
||
|
|
$type = MYSQL_NUM;
|
||
|
|
else if ($type == "assoc")
|
||
|
|
$type = MYSQL_ASSOC;
|
||
|
|
|
||
|
|
if (!$this->result[$stack]) {
|
||
|
|
log_message("DB: called fetchSpecificRow[$stack] but result is false");
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
mysql_data_seek($this->result[$stack], $num);
|
||
|
|
return @mysql_fetch_array($this->result[$stack], $type);
|
||
|
|
}
|
||
|
|
|
||
|
|
function numRows($stack=0) {
|
||
|
|
return mysql_num_rows($this->result[$stack]);
|
||
|
|
}
|
||
|
|
|
||
|
|
function error($str) {
|
||
|
|
log_message("DB: " . $str);
|
||
|
|
$this->errMsg = $str;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getError() {
|
||
|
|
return $this->errMsg;
|
||
|
|
}
|
||
|
|
|
||
|
|
function escape($str) {
|
||
|
|
return mysql_escape_string($str);
|
||
|
|
}
|
||
|
|
|
||
|
|
function quote($str) {
|
||
|
|
if(strpos($str, '.') === false)
|
||
|
|
return '`' . $str . '`';
|
||
|
|
return '`' . str_replace('.', '`.`', $str) . '`';
|
||
|
|
}
|
||
|
|
|
||
|
|
function setEscape($escape=true) {
|
||
|
|
$this->escapeData = $escape;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getAffectedRows() {
|
||
|
|
return mysql_affected_rows($this->conn);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**************************************/
|
||
|
|
function getDatabases() {
|
||
|
|
$res = $this->query("show databases", '_databases');
|
||
|
|
$ret = array();
|
||
|
|
while($row = $this->fetchRow('_databases'))
|
||
|
|
$ret[] = $row[0];
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getTables( $details = false ) {
|
||
|
|
if (!$this->db)
|
||
|
|
return array();
|
||
|
|
$res = $this->query("show table status from `$this->db` where engine is NOT null", '_tables');
|
||
|
|
$ret = array();
|
||
|
|
while($row = $this->fetchRow('_tables')) {
|
||
|
|
$ret[] = $details ? array(
|
||
|
|
$row['Name'], // table name
|
||
|
|
$row['Rows'], // number of records,
|
||
|
|
$row['Data_length'] + $row['Index_length'], // size of the table
|
||
|
|
(empty($row['Update_time']) ? $row['Create_time'] : $row['Update_time'] ), // last update timestamp
|
||
|
|
) : $row['Name'];
|
||
|
|
}
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getViews() {
|
||
|
|
if (!$this->db)
|
||
|
|
return array();
|
||
|
|
$res = $this->query("show table status from `$this->db` where engine is null", '_views');
|
||
|
|
if (!$res)
|
||
|
|
return array();
|
||
|
|
$ret = array();
|
||
|
|
while($row = $this->fetchRow('_views'))
|
||
|
|
$ret[] = $row[0];
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getProcedures() {
|
||
|
|
if (!$this->db)
|
||
|
|
return array();
|
||
|
|
$res = $this->query("show procedure status where db = '$this->db'", '_procs');
|
||
|
|
if (!$res)
|
||
|
|
return array();
|
||
|
|
$ret = array();
|
||
|
|
while($row = $this->fetchRow('_procs'))
|
||
|
|
$ret[] = $row[1];
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getFunctions() {
|
||
|
|
if (!$this->db)
|
||
|
|
return array();
|
||
|
|
$res = $this->query("show function status where db = '$this->db'", '_funcs');
|
||
|
|
if (!$res)
|
||
|
|
return array();
|
||
|
|
$ret = array();
|
||
|
|
while($row = $this->fetchRow('_funcs'))
|
||
|
|
$ret[] = $row[1];
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getTriggers() {
|
||
|
|
if (!$this->db)
|
||
|
|
return array();
|
||
|
|
$res = $this->query("select `TRIGGER_NAME` from `INFORMATION_SCHEMA`.`TRIGGERS` where `TRIGGER_SCHEMA` = '$this->db'", '_triggers');
|
||
|
|
if (!$res)
|
||
|
|
return array();
|
||
|
|
$ret = array();
|
||
|
|
while($row = $this->fetchRow('_triggers'))
|
||
|
|
$ret[] = $row[0];
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getEvents() {
|
||
|
|
if (!$this->db)
|
||
|
|
return array();
|
||
|
|
$res = $this->query("select `EVENT_NAME` from `INFORMATION_SCHEMA`.`EVENTS` where `EVENT_SCHEMA` = '$this->db'", '_events');
|
||
|
|
if (!$res)
|
||
|
|
return array();
|
||
|
|
$ret = array();
|
||
|
|
while($row = $this->fetchRow('_events'))
|
||
|
|
$ret[] = $row[0];
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**************************************/
|
||
|
|
// @@TODO: use datatype config here to streamline field information
|
||
|
|
function getFieldInfo($stack=0) {
|
||
|
|
$fields = array();
|
||
|
|
$i = 0;
|
||
|
|
while ($i < mysql_num_fields($this->result[$stack])) {
|
||
|
|
$meta = mysql_fetch_field($this->result[$stack], $i);
|
||
|
|
if ($meta) {
|
||
|
|
$f = new StdClass;
|
||
|
|
$type = mysql_field_type($this->result[$stack], $i);
|
||
|
|
$f->name = $meta->name;
|
||
|
|
$f->table = $meta->table;
|
||
|
|
$f->not_null = $meta->not_null;
|
||
|
|
$f->blob = $meta->blob;
|
||
|
|
$f->pkey = $meta->primary_key;
|
||
|
|
$f->ukey = $meta->unique_key;
|
||
|
|
$f->mkey = $meta->multiple_key;
|
||
|
|
$f->zerofill = $meta->zerofill;
|
||
|
|
$f->unsigned = $meta->unsigned;
|
||
|
|
$f->autoinc = 0;
|
||
|
|
$f->numeric = $meta->numeric;
|
||
|
|
|
||
|
|
if( $meta->type == 'numeric' )
|
||
|
|
$f->type = 'numeric';
|
||
|
|
else if( $meta->type == 'timestamp' )
|
||
|
|
$f->type = 'datetime';
|
||
|
|
else if( $meta->type == 'date' )
|
||
|
|
$f->type = 'date';
|
||
|
|
else if( $meta->type == 'time' )
|
||
|
|
$f->type = 'time';
|
||
|
|
else if ( $type == 'string') {
|
||
|
|
// mysql5 tells enum and sets are strings, so we need to check for their real datatype
|
||
|
|
$f->list = $this->getFieldValues($f->table, $f->name);
|
||
|
|
$f->type = 'text' ;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
$f->type = 'binary';
|
||
|
|
$fields[] = $f;
|
||
|
|
}
|
||
|
|
$i++;
|
||
|
|
}
|
||
|
|
return $fields;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getMicroTime() {
|
||
|
|
list($usec, $sec) = explode(" ",microtime());
|
||
|
|
return ((float)$usec + (float)$sec);
|
||
|
|
}
|
||
|
|
|
||
|
|
function selectVersion() {
|
||
|
|
$res = $this->query("SHOW VARIABLES LIKE 'version%'", '_version');
|
||
|
|
while($row = $this->fetchRow('_version')) {
|
||
|
|
if ($row[0] == 'version') {
|
||
|
|
Session::set('db', 'version', intval($row[1]));
|
||
|
|
Session::set('db', 'version_full', $row[1]);
|
||
|
|
} else if ($row[0] == 'version_comment') {
|
||
|
|
Session::set('db', 'version_comment', $row[1]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function getCreateCommand($type, $name) {
|
||
|
|
$cmd = '';
|
||
|
|
$type = $this->escape($type);
|
||
|
|
$name = $this->escape($name);
|
||
|
|
|
||
|
|
if ($type == "trigger")
|
||
|
|
$sql = "show triggers where `trigger` = '$name'";
|
||
|
|
else
|
||
|
|
$sql = "show create $type `$name`";
|
||
|
|
|
||
|
|
if (!$this->query($sql) || $this->numRows() == 0)
|
||
|
|
return '';
|
||
|
|
|
||
|
|
$row = $this->fetchRow();
|
||
|
|
|
||
|
|
if ($type == "trigger")
|
||
|
|
$cmd = "create trigger `$row[0]`\r\n$row[4] $row[1] on `$row[2]`\r\nfor each row\r\n$row[3]";
|
||
|
|
else {
|
||
|
|
switch($type) {
|
||
|
|
case 'table':
|
||
|
|
case 'view':
|
||
|
|
$cmd = $row[1];
|
||
|
|
break;
|
||
|
|
case 'procedure':
|
||
|
|
case 'function':
|
||
|
|
$cmd = $row[2];
|
||
|
|
break;
|
||
|
|
case 'event':
|
||
|
|
$cmd = $row[3];
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return $cmd;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getDropCommand( $table ) {
|
||
|
|
return "drop table if exists " . $this->quote( $table );
|
||
|
|
}
|
||
|
|
|
||
|
|
function getTruncateCommand( $table ) {
|
||
|
|
return 'truncate table ' . $this->quote( $table );
|
||
|
|
}
|
||
|
|
|
||
|
|
function getFieldValues($table, $name) {
|
||
|
|
$sql = 'show full fields from `'.$table.'` where `Field` = \''.$this->escape($name).'\'';
|
||
|
|
$res = $this->query($sql, '_fields');
|
||
|
|
if ($this->numRows('_fields') == 0)
|
||
|
|
return ( (object) array('list' => array()) );
|
||
|
|
$row = $this->fetchRow('_fields');
|
||
|
|
$type = $row['Type'];
|
||
|
|
preg_match('/enum\((.*)\)$/', $type, $matches);
|
||
|
|
if (!isset($matches[1]))
|
||
|
|
preg_match('/set\((.*)\)$/', $type, $matches);
|
||
|
|
if (isset($matches[1])) {
|
||
|
|
if (phpCheck(5.3)) {
|
||
|
|
$regex = "/\('(.*)'\)/";
|
||
|
|
preg_match_all($regex, $row['Type'], $list);
|
||
|
|
return array_map('replace_single_quotes', explode("','", $list[1][0]));
|
||
|
|
} else {
|
||
|
|
$list = explode(',', $matches[1]);
|
||
|
|
foreach($list as $k => $v)
|
||
|
|
$list[$k] = str_replace("\\'", "'", trim($v, " '"));
|
||
|
|
return $list;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return ( (object) array('list' => array()) );
|
||
|
|
}
|
||
|
|
|
||
|
|
function getEngines() {
|
||
|
|
$sql = 'show engines';
|
||
|
|
$res = $this->query($sql, '_engines');
|
||
|
|
if ($this->numRows('_engines') == 0)
|
||
|
|
return ( array() );
|
||
|
|
|
||
|
|
$arr = array();
|
||
|
|
while($row = $this->fetchRow('_engines'))
|
||
|
|
if ($row['Support'] != 'NO')
|
||
|
|
$arr[] = $row['Engine'];
|
||
|
|
return $arr;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getCharsets() {
|
||
|
|
$sql = 'show character set';
|
||
|
|
$res = $this->query($sql, '_charsets');
|
||
|
|
if ($this->numRows('_charsets') == 0)
|
||
|
|
return ( array() );
|
||
|
|
|
||
|
|
$arr = array();
|
||
|
|
while($row = $this->fetchRow('_charsets'))
|
||
|
|
$arr[] = $row['Charset'];
|
||
|
|
|
||
|
|
asort($arr);
|
||
|
|
return $arr;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getCollations() {
|
||
|
|
$sql = 'show collation';
|
||
|
|
$res = $this->query($sql, '_collats');
|
||
|
|
if ($this->numRows('_collats') == 0)
|
||
|
|
return ( array() );
|
||
|
|
|
||
|
|
$arr = array();
|
||
|
|
while($row = $this->fetchRow('_collats'))
|
||
|
|
$arr[] = $row['Collation'];
|
||
|
|
|
||
|
|
asort($arr);
|
||
|
|
return $arr;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getTableFields($table) {
|
||
|
|
$sql = "show full fields from ".$this->quote($table);
|
||
|
|
if (!$this->query($sql, "_temp"))
|
||
|
|
return array();
|
||
|
|
|
||
|
|
$fields = array();
|
||
|
|
while($row = $this->fetchRow("_temp")) {
|
||
|
|
$f = new StdClass;
|
||
|
|
$f->type = $row['Type'];
|
||
|
|
$f->name = $row['Field'];
|
||
|
|
$fields[] = $f;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $fields;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getTableProperties($table) {
|
||
|
|
$sql = "show table status where `Name` like '".$this->escape($table)."'";
|
||
|
|
if (!$this->query($sql, "_tmp_query"))
|
||
|
|
return FALSE;
|
||
|
|
return $this->fetchRow("_tmp_query");
|
||
|
|
}
|
||
|
|
|
||
|
|
function queryTableStatus() {
|
||
|
|
$sql = "show table status where Engine is not null";
|
||
|
|
return $this->query($sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
function getTableDescription( $table ) {
|
||
|
|
$sql = "describe " . $this->quote( $table );
|
||
|
|
return $this->query($sql);
|
||
|
|
}
|
||
|
|
|
||
|
|
function flush($option = '', $skiplog=false) {
|
||
|
|
$options = array('HOSTS', 'PRIVILEGES', 'TABLES', 'STATUS', 'DES_KEY_FILE', 'QUERY CACHE', 'USER_RESOURCES', 'TABLES WITH READ LOCK');
|
||
|
|
if ($option == '') {
|
||
|
|
foreach($options as $option) {
|
||
|
|
$sql = "flush " . ( $skiplog ? "NO_WRITE_TO_BINLOG " : "") . $this->escape($option);
|
||
|
|
$this->query($sql, '_temp_flush');
|
||
|
|
}
|
||
|
|
$this->query('UNLOCK TABLES', '_temp_flush');
|
||
|
|
} else {
|
||
|
|
$sql = "flush " . ( $skiplog ? "NO_WRITE_TO_BINLOG " : "") . $this->escape($option);
|
||
|
|
$this->query($sql, '_temp_flush');
|
||
|
|
if ($option == 'TABLES WITH READ LOCK')
|
||
|
|
$this->query('UNLOCK TABLES', '_temp_flush');
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getLastQuery() {
|
||
|
|
return $this->lastQuery;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getInsertStatement($tbl) {
|
||
|
|
$sql = "show full fields from `$tbl`";
|
||
|
|
if (!$this->query($sql, '_insert'))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
$str = "INSERT INTO `".$tbl."` (";
|
||
|
|
$num = $this->numRows('_insert');
|
||
|
|
$row = $this->fetchRow('_insert');
|
||
|
|
$str .= "`" . $row[0] . "`";
|
||
|
|
|
||
|
|
if ($row["Extra"] == "auto_increment")
|
||
|
|
$str2 = " VALUES (NULL";
|
||
|
|
else
|
||
|
|
$str2 = " VALUES (\"\"";
|
||
|
|
|
||
|
|
for($i=1; $i<$num; $i++) {
|
||
|
|
$row = $this->fetchRow('_insert');
|
||
|
|
$str .= ",`" . $row[0] . "`";
|
||
|
|
if ($row["Extra"] == "auto_increment")
|
||
|
|
$str2 .= ",NULL";
|
||
|
|
//else if (strpos($row["Type"], "int") !== false)
|
||
|
|
// $str2 .= ", "; // for numeric fields
|
||
|
|
else
|
||
|
|
$str2 .= ",\"\"";
|
||
|
|
}
|
||
|
|
|
||
|
|
$str .= ")";
|
||
|
|
$str2 .= ")";
|
||
|
|
|
||
|
|
return $str.$str2;
|
||
|
|
}
|
||
|
|
|
||
|
|
function getUpdateStatement($tbl) {
|
||
|
|
$sql = "show full fields from `".$this->escape($tbl)."`";
|
||
|
|
if (!$this->query($sql, '_update'))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
$pKey = ''; // if a primary key is available, this helps avoid multikey attributes in where clause
|
||
|
|
$str2 = "";
|
||
|
|
$str = "UPDATE `".$tbl."` SET ";
|
||
|
|
$num = $this->numRows('_update');
|
||
|
|
$row = $this->fetchRow('_update');
|
||
|
|
|
||
|
|
$str .= "`" . $row[0] . "`=\"\"";
|
||
|
|
if ($row["Key"] != "")
|
||
|
|
$str2 .= "`$row[0]`=\"\"";
|
||
|
|
if ($row["Key"] == 'PRI')
|
||
|
|
$pKey = $row[0];
|
||
|
|
|
||
|
|
for($i=1; $i<$num; $i++) {
|
||
|
|
$row = $this->fetchRow('_update');
|
||
|
|
$str .= ",`" . $row[0] . "`=\"\"";
|
||
|
|
if ($row["Key"] != "") {
|
||
|
|
if ($row["Key"] == 'PRI')
|
||
|
|
$pKey = $row[0];
|
||
|
|
if ($str2 != "")
|
||
|
|
$str2 .= " AND ";
|
||
|
|
$str2 .= "`$row[0]`=\"\"";
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// if we found a primary key, then use it only for where clause and discard other keys
|
||
|
|
if ($pKey != '')
|
||
|
|
$str2 = "`$pKey`=\"\"";
|
||
|
|
if ($str2 != "")
|
||
|
|
$str2 = " WHERE " . $str2;
|
||
|
|
|
||
|
|
return $str . $str2;
|
||
|
|
}
|
||
|
|
|
||
|
|
function truncateTable($tbl) {
|
||
|
|
return $this->query('truncate table '.$this->quote($tbl));
|
||
|
|
}
|
||
|
|
|
||
|
|
function renameObject($name, $type, $new_name) {
|
||
|
|
$result = false;
|
||
|
|
if($type == 'table') {
|
||
|
|
$query = 'rename '.$this->escape($type).' `'.$this->escape($name).'` to `'.$this->escape($new_name).'`';
|
||
|
|
$result = $this->query($query);
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$command = $this->getCreateCommand($type, $name);
|
||
|
|
$search = '/(create.*'.$type. ' )('.$name.'|\`'.$name.'\`)/i';
|
||
|
|
$replace = '${1} `'.$new_name.'`';
|
||
|
|
$query = preg_replace($search, $replace, $command, 1);
|
||
|
|
if ($this->query($query)) {
|
||
|
|
$query = 'drop '.$this->escape($type).' `'.$this->escape($name).'`';
|
||
|
|
$result = $this->query($query);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
function dropObject($name, $type) {
|
||
|
|
$result = false;
|
||
|
|
$query = 'drop '.$this->escape($type).' `'.$this->escape($name).'`';
|
||
|
|
$result = $this->query($query);
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
function copyObject($name, $type, $new_name) {
|
||
|
|
$result = false;
|
||
|
|
if($type == 'table') {
|
||
|
|
$query = 'create '.$this->escape($type).' `' . $this->escape($new_name) . '` like `' . $this->escape($name) . '`';
|
||
|
|
$result = $this->query($query);
|
||
|
|
if ($result) {
|
||
|
|
$query = 'insert into `' . $this->escape($new_name) . '` select * from `' . $this->escape($name) . '`';
|
||
|
|
$result = $this->query($query);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
$command = $this->getCreateCommand($type, $name);
|
||
|
|
$search = '/(create.*'.$type. ' )('.$name.'|\`'.$name.'\`)/i';
|
||
|
|
$replace = '${1} `'.$new_name.'`';
|
||
|
|
$query = preg_replace($search, $replace, $command, 1);
|
||
|
|
$result = $this->query($query);
|
||
|
|
}
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
|
||
|
|
// @@TODO: optimize with where `Extra` = 'auto_increment'
|
||
|
|
function getAutoIncField($table) {
|
||
|
|
$sql = "show full fields from `".$this->escape($table)."`";
|
||
|
|
if (!$this->query($sql, "_temp"))
|
||
|
|
return false;
|
||
|
|
|
||
|
|
$i = 0;
|
||
|
|
while($row = $this->fetchRow("_temp")) {
|
||
|
|
if (strpos($row["Extra"], "auto_increment") !== false) {
|
||
|
|
return $i;
|
||
|
|
}
|
||
|
|
$i++;
|
||
|
|
}
|
||
|
|
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
function queryVariables() {
|
||
|
|
return $this->query("SHOW VARIABLES");
|
||
|
|
}
|
||
|
|
|
||
|
|
function getLimit($count, $offset = 0) {
|
||
|
|
return " limit $offset, $count";
|
||
|
|
}
|
||
|
|
|
||
|
|
function addExportHeader( $name, $obj = 'db', $type='insert' ) {
|
||
|
|
$str = '';
|
||
|
|
switch($type) {
|
||
|
|
case 'insert':
|
||
|
|
if ( $obj == 'db' ) {
|
||
|
|
$str = "/* Database export results for db ".$name." */\n";
|
||
|
|
$str .= "\n/* Preserve session variables */\nSET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS;\nSET FOREIGN_KEY_CHECKS=0;\n\n/* Export data */\n";
|
||
|
|
} else if ( $obj == 'table' ) {
|
||
|
|
$str = "/* Table data export for table ".$name." */\n";
|
||
|
|
$str .= "\n/* Preserve session variables */\nSET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS;\nSET FOREIGN_KEY_CHECKS=0;\n\n/* Export data */\n";
|
||
|
|
} else if ( $obj == 'query' ) {
|
||
|
|
$str = "/* Export results for query data */\n";
|
||
|
|
$str .= "/* Query: \n".$name."\n*/\n";
|
||
|
|
$str .= "\n/* Preserve session variables */\nSET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS;\nSET FOREIGN_KEY_CHECKS=0;\n\n/* Export data */\n";
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return $str;
|
||
|
|
}
|
||
|
|
|
||
|
|
function addExportFooter( $type='insert' ) {
|
||
|
|
if ($type == 'insert')
|
||
|
|
return "\n/* Restore session variables to original values */\nSET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;\n";
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
|
||
|
|
function set_constraint( $constraint, $value ) {
|
||
|
|
switch ($constraint) {
|
||
|
|
case 'fkey':
|
||
|
|
$this->query('SET FOREIGN_KEY_CHECKS=' . ($value ? '1' : '0') );
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
?>
|