Hi, using version 1.13 with Quarkus 2.2.3 I might be wrong since this isn't quite obvious in the RFC: > If the target location specifies an object member that does not > already exist, a new member is added to the object. Shouldn't the `add` operation on an array, add the elements to it? Currently I'm observing that the array is being replaced. For example, for a existing user with a role "administrator" I wanted to add another role: ``` Request method: PATCH Request URI: http://localhost:9090/api/user/ZaHkxQxwuv Body: [ { "op": "add", "path": "/roles", "value": [ "User" ] } ] HTTP/1.1 200 OK Content-Length: 125 Content-Type: application/json { "uuId": "f2e333cf-079e-4403-9051-3e347b7934b1", "lastLogin": null, "id": "ZaHkxQxwuv", "status": "ENABLED", "roles": [ "User" // Admin is missing ] } ```
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gabrielsson commentedon Oct 18, 2021
Just a thought. The path "/roles" is pointing to the whole array.
If you would patch "/roles/-" would add additional roles I believe or "/roles/0".