138 lines
4.8 KiB
PHP
138 lines
4.8 KiB
PHP
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<?php
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/**
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* Исправление всех колонок с неправильной collation в Nextcloud
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* Исправляет utf8mb3_general_ci → utf8mb4_general_ci
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*/
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$dbHost = '192.168.128.3';
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$dbUser = 'nextcloud';
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$dbPass = 'nextcloud_password';
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$dbName = 'nextcloud';
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try {
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$pdo = new PDO(
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"mysql:host=$dbHost;dbname=$dbName;charset=utf8mb4",
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$dbUser,
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$dbPass,
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[PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]
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);
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echo "=== ИСПРАВЛЕНИЕ COLLATION В NEXTCLOUD ===\n\n";
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// Находим все колонки с неправильной collation
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$query = "
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SELECT
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TABLE_NAME,
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COLUMN_NAME,
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DATA_TYPE,
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CHARACTER_SET_NAME,
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COLLATION_NAME
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FROM
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INFORMATION_SCHEMA.COLUMNS
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WHERE
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TABLE_SCHEMA = ?
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AND TABLE_NAME LIKE 'oc_%'
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AND COLLATION_NAME = 'utf8mb3_general_ci'
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ORDER BY TABLE_NAME, COLUMN_NAME
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";
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$stmt = $pdo->prepare($query);
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$stmt->execute([$dbName]);
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$columns = $stmt->fetchAll(PDO::FETCH_ASSOC);
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if (empty($columns)) {
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echo "✅ Все колонки уже имеют правильную collation!\n";
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exit(0);
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}
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echo "Найдено колонок с неправильной collation: " . count($columns) . "\n\n";
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$fixed = 0;
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$errors = 0;
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foreach ($columns as $col) {
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$table = $col['TABLE_NAME'];
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$column = $col['COLUMN_NAME'];
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$dataType = $col['DATA_TYPE'];
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$charSet = $col['CHARACTER_SET_NAME'];
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// Определяем новый тип данных
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$newCharSet = 'utf8mb4';
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$newCollation = 'utf8mb4_general_ci';
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// Для TEXT типов нужно указать CHARACTER SET
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$alterQuery = "ALTER TABLE `$table` MODIFY COLUMN `$column` ";
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if (in_array(strtoupper($dataType), ['VARCHAR', 'CHAR', 'TEXT', 'TINYTEXT', 'MEDIUMTEXT', 'LONGTEXT'])) {
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// Получаем текущие параметры колонки
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$colInfoQuery = "SHOW FULL COLUMNS FROM `$table` WHERE Field = ?";
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$colInfoStmt = $pdo->prepare($colInfoQuery);
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$colInfoStmt->execute([$column]);
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$colInfo = $colInfoStmt->fetch(PDO::FETCH_ASSOC);
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if ($colInfo) {
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$type = $colInfo['Type'];
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// Заменяем charset в типе
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$type = preg_replace('/utf8mb3/i', 'utf8mb4', $type);
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$type = preg_replace('/utf8(_general_ci)?/i', 'utf8mb4', $type);
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$null = $colInfo['Null'] === 'YES' ? 'NULL' : 'NOT NULL';
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$default = $colInfo['Default'] !== null ? "DEFAULT '{$colInfo['Default']}'" : '';
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$extra = $colInfo['Extra'] ?: '';
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$alterQuery .= "$type CHARACTER SET $newCharSet COLLATE $newCollation $null $default $extra";
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} else {
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echo "⚠️ Не удалось получить информацию о колонке $table.$column\n";
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continue;
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}
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} else {
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// Для других типов просто меняем collation
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$alterQuery .= "`$column` $dataType CHARACTER SET $newCharSet COLLATE $newCollation";
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}
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try {
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echo "Исправляю: $table.$column ... ";
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$pdo->exec($alterQuery);
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echo "✅\n";
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$fixed++;
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} catch (PDOException $e) {
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echo "❌ Ошибка: " . $e->getMessage() . "\n";
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$errors++;
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}
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}
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echo "\n=== РЕЗУЛЬТАТ ===\n";
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echo "Исправлено: $fixed\n";
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echo "Ошибок: $errors\n";
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// Проверяем индексы
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echo "\n=== ПРОВЕРКА ИНДЕКСОВ ===\n";
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$indexQuery = "
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SELECT DISTINCT
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TABLE_NAME,
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INDEX_NAME
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FROM
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INFORMATION_SCHEMA.STATISTICS
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WHERE
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TABLE_SCHEMA = ?
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AND TABLE_NAME LIKE 'oc_%'
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AND COLLATION = 'utf8mb3_general_ci'
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";
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$indexStmt = $pdo->prepare($indexQuery);
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$indexStmt->execute([$dbName]);
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$indexes = $indexStmt->fetchAll(PDO::FETCH_ASSOC);
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if (!empty($indexes)) {
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echo "⚠️ Найдено индексов с неправильной collation: " . count($indexes) . "\n";
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echo "Индексы нужно пересоздать вручную или через Nextcloud\n";
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} else {
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echo "✅ Все индексы имеют правильную collation\n";
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}
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} catch (PDOException $e) {
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echo "❌ Ошибка подключения к БД: " . $e->getMessage() . "\n";
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exit(1);
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}
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