5 мая 2017 г. · Partial index is complex version of sparse, it will filter documents not only checking their existence, but using conditions provided in ...

15 дек. 2015 г. · Partial indexes support only a subset of the operators in the filter used. The only supported operators are: $AND (only at the top level), $EQ, $LT, $LTE, $GT, ...

20 апр. 2021 г. · $in is not allowed in a partial filter expression. From the docs: The partialFilterExpression option accepts a document that specifies the filter condition.

13 июн. 2020 г. · If the status field doesn't have null values, you can use { partialFilterExpression: { "status": null, "quantity": { $lt: -1 } } } );.

9 апр. 2024 г. · MongoDB provides the option to create partial indexes. Partial indexes offer a superset of the functionality of sparse indexes. Partial Indexes should be ...

15 апр. 2021 г. · You can explain this find({ "metadata.key": { $exists: true }) , it will honor index, because partial filter and the query condition is matching.

27 мар. 2020 г. · According to MongoDB Partial Index documentation there is no need to include the fields in the index if they're already in partialFilterExpression.

1 июн. 2023 г. · I need to create an index on this value. What is the best alternative to the partial index? mongodb · indexing · mongodb-.net-driver.

9 авг. 2019 г. · I have created a mongoose model that has an email field. I want it to be unique if a value is provided by a user but I want it to be empty is a user has not ...

25 сент. 2020 г. · I am trying to create a partial index on a field, but only when the field is not null. In other words, I want to be able to have many of the documents be able ...