Sorter specifies the sorting method of the index. You can specify one of the four sorting methods. By default, PrimaryKeySort is used for non-Nested fields in search indexes. and no sorting is configured for search indexes that do not contain Nested fields.
Data structure
message Sorter {
optional FieldSort field_sort = 1;
optional GeoDistanceSort geo_distance_sort = 2;
optional ScoreSort score_sort = 3;
optional PrimaryKeySort pk_sort = 4;
}Parameter | Type | Required | Description |
field_sort | No | Specifies sorting based on field values. | |
geo_distance_sort | No | Specifies sorting based on geographic locations. | |
score_sort | No | Specifies sorting based on the BM25-based keyword relevance score. | |
pk_sort | No | Specifies sorting based on the primary key. |