ARRAY(arg1,arg2...):返回一个由arg1,arg2,...组成的数组.arg1,arg2,...:字符串或者数字.示例:ARRAY("hello") = ["hello"].ARRAY("hello","world") = ["hello","world"].ARRAY("hello",98) = ["hello",98].ARRAY(67,98) = [67,98].
UNIQUEARRAY(array):去掉数组array中的重复元素。示例:UNIQUEARRAY([14, 2, 3, 4, 3, 2, 5, 6, 2, 7, 9, 12, 3])返回[14, 2, 3, 4, 5, 6, 7, 9, 12].