[GitHub] [apisix] spacewander commented on issue #5026: bug: upstream admin api doc or upstream.lua's bug?

[GitBox <gi...@apache.org>]

spacewander commented on issue #5026:
URL: https://github.com/apache/apisix/issues/5026#issuecomment-915970808


   PATCH request should merge new fields to hash. Otherwise, the other fields in upstream will be removed, as upstream is a hash. Since the nodes field is hash too, it looks like there is no way to override it.
   
   However, you can switch the nodes to an array format:
   ```
   "nodes": [
               {"host": "127.0.0.1", "port": 1980, "weight": 2000},
               {"host": "127.0.0.2", "port": 1980, "weight": 1, "priority": -1}
   ]
   ```
   
   What about your guys' opinion?
   @membphis @tzssangglass 


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