12/22/2023 0 Comments Indexes![]() The index progress details show the percentage of progress for the current index operation. If your nested field contains an array (anywhere on the path), that value is ignored in the index.Īs an example, a compound index containing works in this case since there's no array on the path: ) ![]() If your nested field doesn't contain an array, the index works as intended. For queries with multiple filters that don't need to sort, create multiple single field indexes instead of a compound index to save on indexing costs.Ī compound index or single field indexes for each field in the compound index results in the same performance for filtering in queries.Ĭompounded indexes on nested fields aren't supported by default due to limitations with arrays. In the API for MongoDB, compound indexes are required if your query needs the ability to sort on multiple fields at once. Compound indexes (MongoDB server version 3.6+) You can create up to 500 single field indexes per collection. One query uses multiple single field indexes where available. You could create the same single field index on name in the Azure portal: The following command creates an index on the field name: The sort order of the single field index does not matter. You can create indexes on any single field. You can't create compound indexes using the indexing policy editor in the Data Explorer. ![]()
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