Collected sources and patterns will appear here. Add from search, explore, or the patterns library.
BTreeIndex, QueryKey -> Set<RowPointer>
Query ordered indexes by jumping to the next distinct key value directly rather than reading all intermediate duplicate index entries sequentially.
Problem it solves
Fetching the latest state (e.g. DISTINCT ON query) for thousands of discrete series in a large index scales poorly.
Consumes
Emits
The real projects this mechanism was found in. Attribution is the point — this is how the best teams actually do it.