我在选择配置单元中的结构数组时遇到问题。
我的源表如下所示：

+-------------+--+
|    field    |
+-------------+--+
| id          |
| fieldid     |
| fieldlabel  |
| fieldtype   |
| answer_id   |
| unitname    |
+-------------+--+

这是调查数据，其中id是调查id，中间的四个字段是响应数据，unitname是调查所属的业务单元。
我需要为每个调查id的所有答案创建一个结构数组。我原以为这会奏效，但实际上不行：

select id, 
array( 
    named_struct(
        "field_id",
        fieldid,
        "field_label",
        fieldlabel,
        "field_type",
        fieldtype,
        "answer_id",
        answer_id,)) as answers,
unitname
from new_answers;

返回的是每个调查答案（字段\ id）作为该答案的一个结构数组，如下所示：

id | answers | unitname
1 | [{"field_id":175877,"field_label":"Comment","field_type":"COMMENT","answer_id":8990947803}] | Location1
2 | [{"field_id":47824,"field_label":"Language","field_type":"MULTIPLE_CHOICE","answer_id":8990950069}] | Location2
2 | [{"field_id":48187,"field_label":"Language Type","field_type":"MULTIPLE_CHOICE","answer_id":8990950070}] | Location2
2 | [{"field_id":47829,"field_label":"Trans #","field_type":"TEXT","answer_id":8990950071}] | Location2

但我需要做的是：

id | answers | unitname    
1 | [{"field_id":175877,"field_label":"Comment","field_type":"COMMENT","answer_id":8990947803}] | Location1
2 | [{"field_id":47824,"field_label":"Language","field_type":"MULTIPLE_CHOICE","answer_id":8990950069},
   {"field_id":48187,"field_label":"Language Type","field_type":"MULTIPLE_CHOICE","answer_id":8990950070},
   {"field_id":47829,"field_label":"Trans #","field_type":"TEXT","answer_id":8990950071}] | Location2

我搜索了又搜索，但找到的所有答案似乎都与使用insert into….values（）查询有关。我已经有了一个表结构；我就是不能让数组按它应该的方式排列。
任何帮助都将不胜感激。
出于复制目的，如果需要：

CREATE TABLE `new_answers`( 
`id` bigint,
`fieldid` bigint,
`fieldlabel` string,
`fieldtype` string,
`answer_id` bigint,
`unitname` string)
INSERT INTO new_answers VALUES
(1,175877,"Comment","COMMENT",8990947803,"Location1"),
(2,47824,"Language","MULTIPLE_CHOICE",8990950069,"Location2"),
(2,48187,"Language Type","MULTIPLE_CHOICE",8990950070,"Location2"),
(2,47829,"Trans #","TEXT",8990950071,"Location2");