tuple_select_rank— Select the element of rank n of a tuple.Signaturetuple_select_rank( : : Tuple, RankIndex : Selected) Descriptiontuple_select_rank sorts the elements of the tuple Tuple and returns the element of rank n in Selected. RankIndex determines the index of the element to ...
tuple_select_rank (d,4, Selected4) *先升序排序,再返回排序后指定索引的元素 *参数2:索引 *4 e:=['abc','liming','mKbc','5842'] f:=[1,2,0,3] tuple_str_bit_select (e, 1, Selected5) *返回指定索引的字符 *参数2:索引 *['b', 'i', 'K', '8'] g:=[0,0,1,1,1,2,0,1...
7. tuple_select_rank 功能:選擇一個元組中序號為n的元素。 8. tuple_str_bit_select 功能:選擇一個元組中單一符號或位。 9. tuple_uniq 功能:丟棄元組中除成功歸類的元素外的所有元素。 18.10 String-Operators 1. tuple_environment 功能:讀取一個或多個環境變量。 2. tuple_regexp_match 功能:利用公式...
tuple_median calculates the median of all elements of the input tuple Tuple and returns it in the output parameter Median. The input tuple may only consist of numbers (integer or floating point numbers). The median is defined as the element with rank n/2 (see tuple_select_rank). ...
如果在UTF-8模式下也需要按字节处理字符,则可以使用operator set_system将选项'tuple_string_operator_mode'从'codepoint'设置为'byte'。然后,字符串运算符不再基于代码点工作。例如,字符串的字节序列可能对调试很有用。 14.Type 类型
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selectjson_tuple(school.json,"SchoolRank","Class1")as(item0, item1)fromschool;--等效于如下语句。selectget_json_object(school.json,"$.SchoolRank") item0,get_json_object(school.json,"$.Class1") item1fromschool;--返回结果如下。+---+---+|item0|item1|+---+---+|00|{"Student":[...
Du and Liu [36] applied the VIKOR method in the fuzzy context of an intuitionistic trapezoidal to rank the pros and cons of each scheme and select the best one. Park et al. [37] proposed a new method to promote the VIKOR method to the interval value intuitionistic fuzzy environment to ...
>SELECTjson_tuple('{"a":1, "b":2}','a','b'),'Spark SQL'; 1 2 Spark SQL >SELECTjson_tuple('{"a":1, "b":2}','a','c'),'Spark SQL'; 1 NULL Spark SQL >SELECTjson_tuple('{"a":1, "b":2}','a','c'), json_tuple('{"c":1, "d":2}','c','d'),'Spark ...
*参数1:输入元组。 限制:-1<=t<=1 *[2.0944, 1.0472, 0.0] tuple_add (a, t, Sum) *两个元组相加 *[-10.5, 100.5, 131] tuple_asin (t, ASin) *计算一个元组的反余弦 *参数1:输入元组。 限制:-1<=t<=1 *[-0.523599, 0.523599, 1.5708] ...