solr多條件查詢:solr查詢語句[朗讀]

c20=index(c:c,max(($a$2:$a$9=a20)*($b$2:$b$9=max(if(($a$2:$a$9=a20)*$b$2:$b$9<=b20,($a$2:$a$9=a20)*$b$2:$b$9,0)))*row($a$2:$a$9)))數組公式。