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Robj/filtered ranges - #690
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rtjohnso
enabled auto-merge (squash)
October 14, 2026 04:24
rtjohnso
disabled auto-merge
October 14, 2026 04:24
# Conflicts: # docs/disk-format-pr.md # docs/on-disk-format.md # src/routing_filter.c
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Allow user to specify a key predicate kp during iterator construction. Only keys matching the predicate will be returned.
When a predicate is provided, users may also allow user to specify a filter key fk. The iterator will use the routing filters to prune branches that it explores. The iterator will only visit branches that contain at least one key k such that h(k) == h(fk), where h is the hash function specified in the data config.
NOTE: in order for this to work properly, the key predicate pk must guarantee that:
for all keys k and hash function seeds s, pk(k) ==> h(k, s) == h(fk, s)