tzssangglass commented on issue #1574:
URL: https://github.com/apache/apisix/issues/1574#issuecomment-711287916
Under the condition of setting `uris` or `hosts`, I want to record the
specific elements in the `uris` or `hosts` that match the current request.
At first I tried to take advantage of the pass by reference feature of the
table, so I wrote the following code
```
handler = function (api_ctx, curr_req_matched_record)
api_ctx.matched_params = nil
api_ctx.matched_route = route
--to keep the record which matches the current request and pass it
to api_ctx
api_ctx.curr_req_matched_record = curr_req_matched_record
end
```
```
local curr_req_matched_record = {}
match_opts.matched = curr_req_matched_record
local ok = uri_router:dispatch(api_ctx.var.uri, match_opts, api_ctx,
curr_req_matched_record)
```
I want to init `match_opts.matched` , so that I can get the matched record
on the callback after dispatch success.
But this can lead to failure in some cases, because of the following code
(https://github.com/api7/lua-resty-radixtree/blob/master/lib/resty/radixtree.lua#L456-L458),
```
if not opts.matched and not route.param then
return true
end
```
In my case it won't return true.
So this line of thinking tends to be invalid.
I also considered the `metadata` you mentioned above, but that doesn't solve
`uris` or `hosts`.
Now I don't have a solution, is there a way to get the specific elements in
the `uris` or `hosts` that match the current request in `apisix`?
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