nickva commented on code in PR #5424:
URL: https://github.com/apache/couchdb/pull/5424#discussion_r1945240419
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src/couch_quickjs/src/couch_quickjs_scanner_plugin.erl:
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@@ -814,12 +814,16 @@ nouveau_add_fun(#proc{}, _) ->
ok.
clouseau_index_doc(#proc{} = Proc, {[_ | _]} = Doc) ->
- [Fields | _] = prompt(Proc, [<<"index_doc">>, Doc]),
- lists:sort(Fields).
+ case prompt(Proc, [<<"index_doc">>, Doc]) of
+ [Fields | _] -> lists:sort(Fields);
+ [] -> []
+ end.
nouveau_index_doc(#proc{} = Proc, {[_ | _]} = Doc) ->
- [Fields | _] = prompt(Proc, [<<"nouveau_index_doc">>, Doc]),
- lists:sort(Fields).
+ case prompt(Proc, [<<"nouveau_index_doc">>, Doc]) of
+ [Fields | _] -> lists:sort(Fields);
+ [] -> []
+ end.
Review Comment:
That could work, but we only use it twice and we're sort of lucky that both
nouveau and clouseau return the same shape for fields, it's not guaranteed so
always be the same. It's small enough anyway, let's keep it in as is? and if we
see we need to use the same pattern for other prompts we could make it a helper.
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