) AS QUANTITYINNER JOIN pf_performance ON pf_performance.id = pf_harvest.id_performanceINNER JOIN pr_products ON pr_products.id = pf_harvest.id_productINNER JOIN pr_grades ON pr_gr
SUM(pf_harvest.quantity) AS TOTAL INNER JOIN pf_performance ON pf_performance.id =pf_harvest.id_performance INNER JOINpr_varieties ON pr_varieties.id = pf_harvest.id_vari