3kis commented on code in PR #12391:
URL: https://github.com/apache/apisix/pull/12391#discussion_r2225117017


##########
apisix/plugins/grpc-transcode/response.lua:
##########
@@ -23,6 +23,46 @@ local string = string
 local ngx_decode_base64 = ngx.decode_base64
 local ipairs = ipairs
 local pcall  = pcall
+local type          = type
+local pairs         = pairs
+local setmetatable  = setmetatable
+
+pb.option "decode_default_array"
+-- Protobuf repeated field label value
+local PROTOBUF_REPEATED_LABEL = 3
+local repeated_label = PROTOBUF_REPEATED_LABEL
+
+local function fetch_proto_array_names(proto_obj)
+    local names = {}
+    if type(proto_obj) == "table" then
+        for k,v in pairs(proto_obj) do
+            if type(v) == "table" then
+                local sub_names = fetch_proto_array_names(v)
+                for sub_name,_ in pairs(sub_names) do
+                    names[sub_name] = 1
+                end
+            end
+        end
+        if proto_obj["label"] == repeated_label then
+            names[proto_obj["name"]] = 1

Review Comment:
   done. pls approve again.



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