Comments (2)
sbeaupre
commented on May 28, 2024
1
You're right, it is probably easier to do this (when using column names in first row):
-oraw -ih "SELECT json_object('id', u.id, 'name', u.name, 'dates',json_group_array(h.date)) FROM ./user.csv AS u LEFT JOIN ./hist.csv as h ON (u.id=h.id) GROUP BY u.id"
which results in
{"id":"1","name":"userA","dates":["2017-7-10"]}
{"id":"2","name":"userB","dates":["2017-7-10","2017-7-11"]}
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noborus
commented on May 28, 2024
Thank you for a good suggestion.
But for now, I have no idea how to implement it.
I'm thinking about using SQL JSON functions to combine nested outputs.
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