Nested Documents Nested Documents (also called Nested Objects) provides the ability to “nest” some documents inside of other documents in a parent/child relationship. Why Nested Documents One reason for using nested documents is to prevent false matches. For example, we may have a T-Shirt with 2 SKUs, a Large Red, […]
grouping
Subfacets (also called Nested Facets) is a more generalized form of Solr’s current pivot faceting that allows adding additional facets for every bucket produced by a parent facet. Subfacet advantages over pivot faceting: Subfacets work with facet functions (statistics), enabling powerful real-time analytics Can add a subfacet to any facet […]
Solr Subfacets
Traditional faceted search (also called guided navigation) involves counting search results that belong to categories (also called facet constraints). The new facet functions in Solr extends normal faceting by allowing additional aggregations on document fields themselves. Combined with the new Sub-facet feature, this provides powerful new realtime analytics capabilities. Also […]