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#datalevin
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2021-12-21
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ianchow04:12:13

Is it possible to delete sub entities by "upserting"? Example:

(transact! conn [{:db/id 1 :friends [{:db/id 2} {:db/id 3}]}])

(pull conn '[*] 1) ; result: {:db/id 1 :friends [{:db/id 2} {:db/id 3}]}

(transact! conn [{:db/id 1 :friends [{:db/id 2}]}])

(pull conn '[*] 1) ; result: {:db/id 1 :friends [{:db/id 2}]}