如何使用Hive提取数组中的每个组件

Question

我在Hive中有如下数据集。如何在＆＃34;答案＆＃34;中提取每个组件。不使用LATERAL VIEW EXPLODE（答案）的列，它提取每行的结果？我希望结果是一排的。我使用HIVE SQL。

dataset:
    id   | Answer
    -----| ----------
    123  | ["A","B","C","D","E"]
    456  | ["A","B","C","E"]
    789  | ["A","B","C"]


Expected outcome: 
    id   | Answer
    -----| ----------
    123  | "A","B","C","D","E"
    456  | "A","B","C","E"
    789  | "A","B","C"

Answer 1

使用concat_ws。

select id,concat_ws(',',answer)
from tbl