[英]AWS Athena Extract Array in Json
I have a json column and inside this json column is an array structure.我有一个 json 列,这个 json 列里面是一个数组结构。 I couldn't figure out how to get the array there.
我无法弄清楚如何将阵列放在那里。
I trİed to this我试过这个
cast(json_extract(ise, '$.userservice') as varchar) as ise_user_service
Example Json示例 Json
ise
{
"userpa":"****",
"userlo":"*****",
"sessi":"******",
"cl":{
"name":"****",
"id":"*****"
},
"usermains":"******",
"userservice":[
"1****",
"23***4**",
"124****",
"034****"
],
"usergeoloc":"********",
"userparty":"*******"
}
You can either use json_format
to turn it into string or cast to ARRAY(VARCHAR)
depending on the usecase:您可以根据用例使用
json_format
将其转换为字符串或转换为ARRAY(VARCHAR)
:
WITH dataset AS (
SELECT * FROM (VALUES
( JSON ' {
"userpa":"****",
"userlo":"*****",
"sessi":"******",
"cl":{
"name":"****",
"id":"*****"
},
"usermains":"******",
"userservice":[
"1****",
"23***4**",
"124****",
"034****"
],
"usergeoloc":"********",
"userparty":"*******"
}')
) AS t (ise))
SELECT json_format(json_extract(ise, '$.userservice')) as ise_string,
cast(json_extract(ise, '$.userservice') as ARRAY(VARCHAR)) as ise_array
FROM dataset
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