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Posted to notifications@couchdb.apache.org by GitBox <gi...@apache.org> on 2019/10/28 08:56:41 UTC

[GitHub] [couchdb] willholley commented on issue #2236: How to make mango $or/$elemMatch/$allMatch queries fast?

willholley commented on issue #2236: How to make mango $or/$elemMatch/$allMatch queries fast?
URL: https://github.com/apache/couchdb/issues/2236#issuecomment-546851401
 
 
   @melnikaite can you show the output of `_explain` and the execution stats? As far as I'm aware, indexes are not able to be used against an '$all' operator directly which would lead to a full index scan.

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