<?php
namespace Relay\Database;

/** Collects SQL in memory; a backup turns each request's output into one database part of the archive. */
final class BufferSink implements SqlSink
{
    private string $sql = '';

    public function statement(string $sql): void
    {
        $this->sql .= $sql . ";\n";
    }

    public function bytes(): int
    {
        return strlen($this->sql);
    }

    public function contents(): string
    {
        return $this->sql;
    }
}