nickva commented on code in PR #4394:
URL: https://github.com/apache/couchdb/pull/4394#discussion_r1082067804
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src/mango/src/mango_cursor_view.erl:
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@@ -422,16 +472,21 @@ apply_opts([{_, _} | Rest], Args) ->
% Ignore unknown options
apply_opts(Rest, Args).
-doc_member(Cursor, RowProps) ->
+doc_member_and_extract(Cursor, RowProps) ->
Db = Cursor#cursor.db,
Opts = Cursor#cursor.opts,
ExecutionStats = Cursor#cursor.execution_stats,
Selector = Cursor#cursor.selector,
case couch_util:get_value(doc, RowProps) of
{DocProps} ->
- % only matching documents are returned; the selector
- % is evaluated at the shard level in view_cb({row, Row},
- {ok, {DocProps}, {execution_stats, ExecutionStats}};
+ % If the query doesn't request quorum doc read via r>1,
+ % match_and_extract_doc/3 is executed in in view_cb, ie, locally
Review Comment:
two `in`s in `is executed in in view_cb`
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