DB ERROR Mysql_Query : select * from morning_goods_table where goods_class = '0' and approval_date > '0' and ( substring(goods_category,1,6) = '040914' or substring(goods_mcategory1,1,6) = '040914' or substring(goods_mcategory2,1,6) = '040914' or substring(goods_mcategory3,1,6) = '040914' or substring(goods_mcategory4,1,6) = '040914' or substring(goods_mcategory5,1,6) = '040914' ) order by goods_rank asc limit 0, 40 Mysql_Error : Query execution was interrupted Mysql Error Num : 1317