555 lines
15 KiB
PHP
555 lines
15 KiB
PHP
<?php
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/**
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* class.database_base.php
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*
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* @package gulliver.system
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*
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* ProcessMaker Open Source Edition
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* Copyright (C) 2004 - 2008 Colosa Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* For more information, contact Colosa Inc, 2566 Le Jeune Rd.,
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* Coral Gables, FL, 33134, USA, or email info@colosa.com.
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*
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*/
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/**
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*
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*
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* Database Maintenance class
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*
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* author Erik A. Ortiz <erik@colosa.com, aortiz.erik@gmail.com>
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* date May 17th, 2010
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*
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* @package gulliver.system
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*/
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class DataBaseMaintenance
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{
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private $host;
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private $user;
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private $passwd;
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private $link;
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private $dbName;
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public $result;
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protected $tmpDir;
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protected $outfile;
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protected $infile;
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/**
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* __construct
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*
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* @param string $host is null
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* @param string $user is null
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* @param string $passwd is null
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*
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* @return none
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*/
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public function __construct ($host = null, $user = null, $passwd = null)
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{
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$this->tmpDir = './';
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$this->link = null;
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$this->dbName = null;
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if (isset( $host ) && isset( $user ) && isset( $passwd )) {
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$this->host = $host;
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$this->user = $user;
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$this->passwd = $passwd;
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}
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}
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/**
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* setUser
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*
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* @param string $user
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*
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* @return none
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*/
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public function setUser ($user)
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{
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$this->user = $user;
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}
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/**
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* setPasswd
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*
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* @param string $passwd
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*
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* @return none
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*/
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public function setPasswd ($passwd)
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{
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$this->passwd = $passwd;
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}
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/**
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* setHost
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*
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* @param string $host
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*
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* @return none
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*/
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public function setHost ($host)
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{
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$this->host = $host;
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}
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/**
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* setTempDir
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*
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* @param string $tmpDir
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*
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* @return none
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*/
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public function setTempDir ($tmpDir)
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{
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$this->tmpDir = $tmpDir;
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if (! file_exists( $tmpDir )) {
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mkdir( $this->tmpDir );
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}
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}
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/**
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* getTempDir
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*
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* @return $this->tmpDir
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*/
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public function getTempDir ()
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{
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return $this->tmpDir;
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}
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/**
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* status
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*
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* @return $this->link
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*/
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public function status ()
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{
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return $$this->link;
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}
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/**
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* connect
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*
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* @param string $dbname is null
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*
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* @return none
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*/
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public function connect ($dbname = null)
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{
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if ($this->link != null) {
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mysql_close( $this->link );
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$this->link = null;
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}
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if (isset( $dbname )) {
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$this->dbName = $dbname;
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}
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$this->link = mysql_connect( $this->host, $this->user, $this->passwd );
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@mysql_query( "SET NAMES 'utf8';" );
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@mysql_query( "SET FOREIGN_KEY_CHECKS=0;" );
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if (! $this->link) {
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throw new Exception( "Couldn't connect to host {$this->host} with user {$this->user}" );
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}
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if ($this->dbName != null) {
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$this->selectDataBase( $this->dbName );
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}
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}
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/**
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* setDbName
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*
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* @param string $dbname is null
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*
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* @return none
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*/
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public function setDbName ($dbname)
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{
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$this->dbName = $dbname;
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}
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/**
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* selectDataBase
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*
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* @param string $dbname
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*
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* @return none
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*/
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public function selectDataBase ($dbname)
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{
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$this->setDbName( $dbname );
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if (! @mysql_select_db( $this->dbName, $this->link )) {
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throw new Exception( "Couldn't select database $dbname" );
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}
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}
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/**
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* query
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*
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* @param string $sql
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*
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* @return $aRows
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*/
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public function query ($sql)
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{
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$this->result = @mysql_query( $sql );
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if ($this->result) {
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$aRows = Array ();
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while ($aRow = @mysql_fetch_assoc( $this->result )) {
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array_push( $aRows, $aRow );
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}
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return $aRows;
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} else {
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return false;
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}
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}
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/**
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* error
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*
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* @return @mysql_error()
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*/
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public function error ()
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{
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return @mysql_error( $this->link );
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}
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/**
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* getTablesList
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*
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* @return $aRows
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*/
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public function getTablesList ()
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{
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$this->result = @mysql_query( "SHOW TABLES;" );
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$aRows = Array ();
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while ($aRow = mysql_fetch_row( $this->result )) {
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array_push( $aRows, $aRow[0] );
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}
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return $aRows;
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}
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/**
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* dumpData
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*
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* @param string $table
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*
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* @return boolean true or false
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*/
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function dumpData ($table)
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{
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$this->outfile = $this->tmpDir . $table . '.dump';
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//if the file exists delete it
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if (is_file( $this->outfile )) {
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@unlink( $this->outfile );
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}
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$sql = "SELECT * INTO OUTFILE '{$this->outfile}' FIELDS TERMINATED BY '\t|\t' OPTIONALLY ENCLOSED BY '\"' LINES TERMINATED BY '\t\t\r\r\n' FROM $table";
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// The mysql_escape_string function has been DEPRECATED as of PHP 5.3.0.
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// Commented that is not assigned to a variable.
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// mysql_escape_string("';");
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if (! @mysql_query( $sql )) {
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$ws = (defined("SYS_SYS"))? SYS_SYS : "Wokspace Undefined";
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Bootstrap::registerMonolog('MysqlCron', 400, mysql_error(), array('sql'=>$sql), $ws, 'processmaker.log');
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$varRes = mysql_error() . "\n";
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G::outRes( $varRes );
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return false;
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}
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return true;
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}
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/**
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* restoreData
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*
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* @param string $backupFile
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*
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* @return boolean true or false
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*/
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function restoreData ($backupFile)
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{
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$tableName = str_replace( '.dump', '', basename( $backupFile ) );
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$sql = "LOAD DATA INFILE '$backupFile' INTO TABLE $tableName FIELDS TERMINATED BY '\t|\t' OPTIONALLY ENCLOSED BY '\"' LINES TERMINATED BY '\t\t\r\r\n'";
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if (! @mysql_query( $sql )) {
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$ws = (defined("SYS_SYS"))? SYS_SYS : "Wokspace Undefined";
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Bootstrap::registerMonolog('MysqlCron', 400, mysql_error(), array('sql'=>$sql), $ws, 'processmaker.log');
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$varRes = mysql_error() . "\n";
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G::outRes( $varRes );
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return false;
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}
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return true;
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}
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/**
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* restoreAllData
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*
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* @param string $type default value null
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*
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* @return none
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*/
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function restoreAllData ($type = null)
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{
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$aTables = $this->getTablesList();
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foreach ($aTables as $table) {
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if (isset( $type ) && $type == 'sql') {
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$this->infile = $this->tmpDir . $table . ".sql";
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if (is_file( $this->infile )) {
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$queries = $this->restoreFromSql( $this->infile, true );
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if (! isset( $queries )) {
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$queries = "unknown";
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}
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printf( "%-59s%20s", "Restored table $table", "$queries queries\n" );
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}
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} else {
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$this->infile = $this->tmpDir . $table . ".dump";
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if (is_file( $this->infile )) {
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$this->restoreData( $this->infile );
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printf( "%20s %s %s\n", 'Restoring data from ', $this->infile, " in table $table" );
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}
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}
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}
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}
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/**
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* createDb
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*
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* @param string $dbname
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* @param string $drop default value false
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*
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* @return none
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*/
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function createDb ($dbname, $drop = false)
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{
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if ($drop) {
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$sql = "DROP DATABASE IF EXISTS $dbname;";
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if (! @mysql_query( $sql )) {
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throw new Exception( mysql_error() );
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}
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}
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$sql = "CREATE DATABASE IF NOT EXISTS $dbname DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;";
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if (! @mysql_query( $sql )) {
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throw new Exception( mysql_error() );
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}
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}
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/**
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* restoreFromSql2
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*
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* @param string $sqlfile
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*
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* @return none
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*/
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function restoreFromSql2 ($sqlfile)
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{
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ini_set( 'memory_limit', '512M' );
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if (! is_file( $sqlfile )) {
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throw new Exception( "the $sqlfile doesn't exist!" );
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}
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$query = file_get_contents( $sqlfile );
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$mysqli = new mysqli( $this->host, $this->user, $this->passwd, $this->dbName );
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/* check connection */
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if (mysqli_connect_errno()) {
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printf( "Connect failed: %s\n", mysqli_connect_error() );
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exit();
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}
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/* execute multi query */
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if ($mysqli->multi_query( $query )) {
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do {
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/* store first result set */
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if ($result = $mysqli->store_result()) {
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while ($row = $result->fetch_row()) {
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}
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$result->free();
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}
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} while ($mysqli->next_result());
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}
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/* close connection */
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$mysqli->close();
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}
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/**
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* backupDataBaseSchema
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*
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* @param string $outfile
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*
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* @return none
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*/
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function backupDataBase ($outfile)
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{
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$aHost = explode(':', $this->host);
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$dbHost = $aHost[0];
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if (isset($aHost[1])) {
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$dbPort = $aHost[1];
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$command = 'mysqldump'
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. ' --user=' . $this->user
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. ' --password=' . escapeshellarg($this->passwd)
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. ' --host=' . $dbHost
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. ' --port=' . $dbPort
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. ' --opt'
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. ' --skip-comments'
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. ' ' . $this->dbName
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. ' > ' . $outfile;
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} else {
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$command = 'mysqldump'
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. ' --host=' . $dbHost
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. ' --user=' . $this->user
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. ' --opt'
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. ' --skip-comments'
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. ' --password=' . escapeshellarg($this->passwd)
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. ' ' . $this->dbName
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. ' > ' . $outfile;
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}
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shell_exec($command);
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}
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/**
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* restoreFromSql
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*
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* @param string $sqlfile
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*
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* @return boolean false or true
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*/
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function restoreFromSql ($sqlfile, $type = 'file')
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{
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ini_set( 'memory_limit', '64M' );
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if ($type == 'file' && ! is_file( $sqlfile )) {
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throw new Exception( "the $sqlfile doesn't exist!" );
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}
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$metaFile = str_replace( '.sql', '.meta', $sqlfile );
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$queries = 0;
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if (is_file( $metaFile )) {
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echo "Using $metaFile as metadata.\n";
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$fp = fopen( $sqlfile, 'rb' );
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$fpmd = fopen( $metaFile, 'r' );
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while ($offset = fgets( $fpmd, 1024 )) {
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$buffer = intval( $offset ); //reading the size of $oData
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$query = fread( $fp, $buffer ); //reading string $oData
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$queries += 1;
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if (! @mysql_query( $query )) {
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$varRes = mysql_error() . "\n";
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G::outRes( $varRes );
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$varRes = "==>" . $query . "<==\n";
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G::outRes( $varRes );
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}
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}
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} else {
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$queries = null;
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try {
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$mysqli = new mysqli( $this->host, $this->user, $this->passwd, $this->dbName );
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/* check connection */
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if (mysqli_connect_errno()) {
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printf( "Connect failed: %s\n", mysqli_connect_error() );
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exit();
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}
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if ($type == 'file') {
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$query = file_get_contents( $sqlfile );
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} else if ($type == 'string') {
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$query = $sqlfile;
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} else {
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return false;
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}
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if (trim( $query ) == "") {
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return false;
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}
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/* execute multi query */
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if ($mysqli->multi_query( $query )) {
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do {
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/* store first result set */
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if ($result = $mysqli->store_result()) {
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while ($row = $result->fetch_row()) {
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//printf("%s\n", $row[0]);
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}
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$result->free();
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}
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/* print divider */
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if ($mysqli->more_results()) {
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//printf("-----------------\n");
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}
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} while ($mysqli->next_result());
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} else {
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throw new Exception( mysqli_error( $mysqli ) );
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}
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/* close connection */
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$mysqli->close();
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} catch (Exception $e) {
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echo $query;
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$token = strtotime("now");
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PMException::registerErrorLog($e, $token);
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G::outRes( G::LoadTranslation("ID_EXCEPTION_LOG_INTERFAZ", array($token)) );
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}
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}
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return $queries;
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}
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/**
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* getSchemaFromTable
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*
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* @param string $tablename
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*
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* @return string $tableSchema
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*/
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function getSchemaFromTable ($tablename)
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{
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//$tableSchema = "/* Structure for table `$tablename` */\n";
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//$tableSchema .= "DROP TABLE IF EXISTS `$tablename`;\n\n";
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$tableSchema = "";
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$sql = "show create table `$tablename`; ";
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$result = @mysql_query( $sql );
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if ($result) {
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if ($row = mysql_fetch_assoc( $result )) {
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$tableSchema .= $row['Create Table'] . ";\n\n";
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}
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mysql_free_result( $result );
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} else {
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G::outRes( mysql_error() );
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}
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return $tableSchema;
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}
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/**
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* removeCommentsIntoString
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*
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* @param string $str
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*
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* @return string $str
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*/
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function removeCommentsIntoString ($str)
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{
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$str = preg_replace( '/\/\*[\w\W]*\*\//', '', $str );
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$str = preg_replace( "/--[\w\W]*\\n/", '', $str );
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$str = preg_replace( "/\/\/[\w\W]*\\n/", '', $str );
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$str = preg_replace( "/\#[\w\W]*\\n/", '', $str );
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return $str;
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}
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} |