src/Database.php
public function beginTransaction(): bool
    {
        if (!$this->inTransaction()) {
            $this->connection->beginTransaction();

            return $this->inTransaction = true;
        }

        return false;
    }
public function beginTransaction(): bool
    {
        if (!$this->inTransaction()) {
            $this->connection->beginTransaction();

            return $this->inTransaction = true;
        }

        return false;
    }
Starts a transaction if it's not started yet.