83 lines
2.4 KiB
PHP
83 lines
2.4 KiB
PHP
#!/usr/bin/env php
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<?php
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declare(strict_types=1);
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/**
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* One-time migration: encrypted SQLite file -> MySQL database.
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*
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* Usage:
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* php cli/migrate_sqlite_to_mysql.php
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*
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* Requires QDB_MASTER_KEY (source SQLite) and QDB_MYSQL_* variables (target).
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*/
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require_once __DIR__ . '/../vendor/autoload.php';
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require_once __DIR__ . '/../lib/response.php';
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require_once __DIR__ . '/../common.php';
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qdb_env_override('QDB_DRIVER', 'sqlite');
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require_once __DIR__ . '/../db_init.php';
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if (!is_file(QDB_PATH)) {
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fwrite(STDERR, "SQLite database file not found at " . QDB_PATH . PHP_EOL);
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exit(1);
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}
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[$sqlitePdo, $tmpDb, $lockFp] = qdb_open(false);
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$tables = $sqlitePdo->query(
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"SELECT name FROM sqlite_master WHERE type = 'table' AND name NOT LIKE 'sqlite_%' ORDER BY name"
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)->fetchAll(PDO::FETCH_COLUMN);
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$tableData = [];
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foreach ($tables as $table) {
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$tableData[$table] = $sqlitePdo->query("SELECT * FROM `{$table}`")->fetchAll(PDO::FETCH_ASSOC);
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}
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qdb_discard($tmpDb, $lockFp);
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qdb_reset_driver_cache();
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qdb_env_override('QDB_DRIVER', 'mysql');
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[$mysqlPdo] = qdb_mysql_open();
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qdb_mysql_ensure_ready($mysqlPdo);
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qdb_set_foreign_keys($mysqlPdo, false);
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$mysqlPdo->beginTransaction();
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try {
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foreach ($tableData as $table => $rows) {
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if (!qdb_table_exists($mysqlPdo, $table)) {
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throw new RuntimeException("MySQL schema is missing source table: {$table}");
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}
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$mysqlPdo->exec("DELETE FROM `{$table}`");
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if (!$rows) {
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echo "{$table}: 0 rows\n";
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continue;
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}
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$columns = array_keys($rows[0]);
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$colList = implode(', ', array_map(fn($c) => "`{$c}`", $columns));
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$placeholders = implode(', ', array_map(fn($c) => ':' . $c, $columns));
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$insert = $mysqlPdo->prepare("INSERT INTO `{$table}` ({$colList}) VALUES ({$placeholders})");
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foreach ($rows as $row) {
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$params = [];
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foreach ($columns as $column) {
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$params[':' . $column] = $row[$column];
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}
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$insert->execute($params);
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}
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echo "{$table}: " . count($rows) . " rows\n";
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}
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$mysqlPdo->commit();
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} catch (Throwable $e) {
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if ($mysqlPdo->inTransaction()) {
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$mysqlPdo->rollBack();
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}
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throw $e;
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} finally {
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qdb_set_foreign_keys($mysqlPdo, true);
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}
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qdb_set_schema_version($mysqlPdo, QDB_VERSION);
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echo "Migration complete. Set QDB_DRIVER=mysql in .env and restart PHP.\n";
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