<?php
/** Prepare a write transaction without implicitly committing a caller transaction. */
namespace Abientot\Support;
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}
final class TransactionGuard {
	public static function prepare_write(): void {
		global $wpdb;
		// No SESSION/GLOBAL modifier: only the next transaction is prepared. MySQL and
		// MariaDB reject this while a transaction is active, including before first DML.
		// This avoids privileged transaction introspection and MariaDB-only variables.
		$suppressed = $wpdb->suppress_errors( true );
		try {
			$result = $wpdb->query( 'SET TRANSACTION READ WRITE' );
		} finally {
					$wpdb->suppress_errors( $suppressed );
		}
		if ( $result === false ) {
			throw new \RuntimeException( 'A new write transaction is unavailable.' );
		}
	}
}