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docs: add release note for v1 node horizon query optimization

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Elle Mouton 2026-03-30 10:22:48 +02:00
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docs/release-notes/release-notes-0.21.0.md
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@ -228,6 +228,16 @@
targeting uniquely-constrained columns. Also drop four redundant indexes
that duplicated UNIQUE constraints or were never used as query filters.
* [Optimize the v1 node horizon
query](https://github.com/lightningnetwork/lnd/pull/10692). Split the
`GetNodesByLastUpdateRange` query into separate all-nodes and public-only
variants, removing a dynamic `COALESCE`/`OR` branch that defeated the query
planner. The public-only `EXISTS` check is rewritten as two direct index
probes instead of `node_id_1 OR node_id_2`. Supporting indexes are upgraded
to composite keys matching the full query shapes. On SQLite, the hot
public-only path sees a ~42% speedup; on the previous code it could stall
for minutes.
## Deprecations
### ⚠️ **Warning:** Deprecated fields in `lnrpc.Hop` will be removed in release version **0.22**