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Hive json数组转成多行

七公子706 2022-03-18 阅读 127
jsonhive

 JSON格式文件:

[{"id":"1","status":"0","jd_no":"2424234333"},{"id":"10","status":"0","jd_no":"2424114333"},{"id":"3","status":"0","jd_no":"2124234333"},{"id":"4","status":"0","jd_no":"2424231233"},{"id":"5","status":"0","jd_no":"1224234333"},{"id":"7","status":"0","jd_no":"2424231233"}]

 

 

 

select  get_json_object(j_column,'$.id') as id,
get_json_object(j_column,'$.status') as status,
get_json_object(j_column,'$.jd_no') as jd_no

from
 
(SELECT split(regexp_replace(regexp_extract(t.json_column, '(\\[)(.*?)(\\])', 2), '\\},\\{', '\\}|\\{'), '\\|') AS json_column
FROM (
    SELECT '[{"id":"1","status":"0","jd_no":"2424234333"},{"id":"10","status":"0","jd_no":"2424114333"},{"id":"3","status":"0","jd_no":"2124234333"},{"id":"4","status":"0","jd_no":"2424231233"},{"id":"5","status":"0","jd_no":"1224234333"},{"id":"7","status":"0","jd_no":"2424231233"}]' AS json_column
) t
) a
lateral view explode(json_column) b as j_column;

 

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