DB BaseBuilder Join() - RawSql as table #9070

        $builder = $this
            ->select("{$this->table}.description_id AS id, fpd.description,
                    fpp.product,
                    DATE({$this->table}.effective) AS effective,
                    {$priceField}")
            ->join(
                "{$this->descTable} AS fpd",
                "fpd.id = {$this->table}.description_id",
                'inner'
            )
            ->join(
                "{$this->prodTable} AS fpp",
                "fpp.id = {$this->table}.product_id",
                'inner'
            );

        $sql = "(SELECT
		fpp.id AS product_id,
		IF(ph.TAXCLASS IS NULL,0,ph.TAXCLASS) AS taxclass,
		IF(pw.SALESTAXCLASS IS NULL,0,pw.SALESTAXCLASS) AS salestaxclass
		FROM
		misc.fuel_prices_product AS fpp
		LEFT JOIN pds.pds_prodhead AS ph ON ph.PRODUCTCODE = fpp.product
		LEFT JOIN pds.pds_prodware AS pw ON pw.PRODUCTCODE = fpp.product AND pw.PACKCODE = '' AND pw.WHALPHA = 3
		GROUP BY fpp.id) t5";

        $builder->join(
            new RawSql($sql),
            "t5.product_id = `fpp`.id",
            'inner'
        );

        // $params['id'] = 14;
        $builder->where("{$this->table}.description_id", $params['id']);

        $builder->where("DATE({$this->table}.effective) BETWEEN DATE_SUB('{$params['fromdate']}',INTERVAL 15 DAY) AND '{$params['todate']}'");

        $builder->where('fpp.product', $params['product']);

        $builder->groupBY("DATE({$this->table}.effective)");

        $builder->orderBy("{$this->table}.effective", 'ASC');

        $data = $builder->get()->getResultObject();

    public function join(string|RawSql $table, $cond, string $type = '', ?bool $escape = null)
    {

    protected function trackAliases($table)
    {
        if (is_array($table)) {
            foreach ($table as $t) {
                $this->trackAliases($t);
            }

            return;
        }

        // Does the string contain a comma?  If so, we need to separate
        // the string into discreet statements
        if (is_string($table) && str_contains($table, ',')) {
            return $this->trackAliases(explode(',', $table));
        }

        // if a table alias is used we can recognize it by a space
        if (is_string($table) && str_contains($table, ' ')) {