The options for the binary fractional index fields.
{ type: "binary", group: ["userId"] } Copy
{ type: "binary", group: ["userId"] }
The type of the name of the group fields
Readonly
The fields that define the grouping context for the fractional index. This is an array of field names.
The type of the fractional index. Must be "binary" for binary fractional indices.
The options for the binary fractional index fields.
Example
See