109 lines
3.6 KiB
PHP
109 lines
3.6 KiB
PHP
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<?php
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/**
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* Created by JetBrains PhpStorm.
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* User: Stefan Warnat <support@stefanwarnat.de>
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* Date: 15.10.14 10:32
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* You must not use this file without permission.
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*/
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namespace Workflow;
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class DbCheck {
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public static function checkColumn($table, $colum, $type, $default = false, $resetType = false, $callbackIfNew = false) {
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global $adb;
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if(!\Workflow\DbCheck::existTable($table)) {
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return false;
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}
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$result = $adb->query("SHOW COLUMNS FROM `".$table."` LIKE '".$colum."'");
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$exists = ($adb->num_rows($result))?true:false;
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if($exists == false) {
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echo "Add column '".$table."'.'".$colum."'<br>";
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$adb->query("ALTER TABLE `".$table."` ADD `".$colum."` ".$type." NOT NULL".($default !== false && $type != 'TEXT'?" DEFAULT '".$default."'":""), false);
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if($callbackIfNew !== false && is_callable($callbackIfNew)) {
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$callbackIfNew();
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}
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} elseif($resetType == true) {
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$existingType = strtolower(html_entity_decode($adb->query_result($result, 0, 'type'), ENT_QUOTES));
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$existingType = str_replace(' ', '', $existingType);
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if($existingType != strtolower(str_replace(' ', '', $type))) {
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$sql = "ALTER TABLE `".$table."` CHANGE `".$colum."` `".$colum."` ".$type.";";
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$adb->query($sql);
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}
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}
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return $exists;
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}
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private static $tableCache = array();
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public static function clearTableCache() {
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self::$tableCache = array();
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}
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public static function existTable($tableName) {
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global $adb;
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if(empty(self::$tableCache)) {
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global $dbconfig;
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$sql = 'SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = "BASE TABLE" AND TABLE_SCHEMA = "' . $dbconfig['db_name'] . '"';
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$result = $adb->query($sql);
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while ($row = $adb->fetchByAssoc($result)) {
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$tables[] = $row['table_name'];
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}
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self::$tableCache = $tables;
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}
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foreach(self::$tableCache as $table) {
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if($table == $tableName)
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return true;
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}
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return false;
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}
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public function lowercaseColumn($table, $column) {
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$adb = \PearDatabase::getInstance();
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if(!\Workflow\DbCheck::existTable($table)) {
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return false;
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}
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$result = $adb->query("SHOW COLUMNS FROM `".$table."` LIKE '".$column."'");
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$exists = ($adb->num_rows($result))?true:false;
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if($exists == true) {
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$data = $adb->fetchByAssoc($result);
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if($data['Field'] == $column) {
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$sql = 'ALTER TABLE `'.$table.'` CHANGE `'.$column.'` `'.strtolower($column).'` '.$data['Type'].' '.($data['Null'] == 'NO'?'NOT NULL':'').';';
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$adb->query($sql);
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}
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}
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}
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public static function checkRepositoryDB() {
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$initRepository = false;
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$adb = \PearDatabase::getInstance();
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}
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public static function tableToUtf8($tableName) {
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global $dbconfig;
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$adb = \PearDatabase::getInstance();
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$sql = 'SELECT * FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = "BASE TABLE" AND TABLE_SCHEMA = "'.$dbconfig['db_name'].'"';
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$result = $adb->query($sql);
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while($row = $adb->fetchByAssoc($result)) {
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$tables[$row['table_name']] = $row;
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}
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if(substr($tables[$tableName]['table_collation'], 0, 7) == 'latin1_') {
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$sql = 'ALTER TABLE '.$tableName.' CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;';
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$adb->query($sql);
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}
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}
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}
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?>
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