I'm trying to find documentation, to no avail, on how to create multi-field indexes in Mongoosejs. In particular I have two fields that need to be indexed and unique. What is an example mongoose schema that indexes two fields together?
MongoDB can use the intersection of multiple indexes to fulfill queries. In general, each index intersection involves two indexes; however, MongoDB can employ multiple/nested index intersections to resolve a query.
How to create a compound Index? In MongoDB, we can create compound index using createIndex() method. Syntax: db.
MongoDB provides two geospatial indexes known as 2d indexes and 2d sphere indexes using these indexes we can query geospatial data.
You call the index
method on your Schema
object to do that as shown here. For your case it would be something like:
mySchema.index({field1: 1, field2: 1}, {unique: true});
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