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TanStack / db Public

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perf(db): explore incremental update hot paths#1648

Draft

samwillis wants to merge 32 commits into

mainTanStack/db:mainfrom

codex/fix-incremental-snapshot-hot-pathTanStack/db:codex/fix-incremental-snapshot-hot-pathCopy head branch name to clipboard

Conversation Commits32 (32)Checks Files changed

Draft

perf(db): explore incremental update hot paths#1648
samwillis wants to merge 32 commits into
mainfrom
codex/fix-incremental-snapshot-hot-path

Commits

Commits on Jul 2, 2026

docs: plan incremental update instrumentation
samwillis
committed
docs: refine incremental update instrumentation plan
samwillis
committed
docs: keep included query benchmarks incremental
samwillis
committed
docs: clarify optimal incremental benchmark shapes
samwillis
committed
chore: instrument incremental query performance
samwillis
committed
chore: benchmark source index modes
samwillis
committed
docs: summarize incremental update findings
samwillis
committed
fix: avoid full row origin snapshots
samwillis
committed
perf(db): make Transaction.applyMutations O(n) instead of O(n²)

authored and
samwillis
committed
perf(db): avoid full nested include scans
samwillis
committed
perf(db): skip redundant graph pending checks
samwillis
committed
perf(db): skip empty filtered subscription batches
samwillis
committed
perf(db-ivm): reuse group aggregate entries
samwillis
committed
perf(db): run immediate live query graphs directly
samwillis
committed

Commits on Jul 3, 2026

perf(db): trim live query update allocations
samwillis
committed
perf(db): fast path key-sorted map updates
samwillis
committed
perf(db): fast path simple sync commits
samwillis
committed
perf(db): avoid duplicate sorted map lookups
samwillis
committed
perf(db): trim simple sync commit reads
samwillis
committed
perf(db): cache index expression evaluators
samwillis
committed
perf(db): avoid index timestamp allocations
samwillis
committed
perf(db): avoid duplicate basic index lookups
samwillis
committed
perf(db): skip redundant virtual prop enrichment
samwillis
committed
perf(db): trim simple sync update checks
samwillis
committed
perf(db): fast path single sync commits
samwillis
committed
perf(db): avoid storing remote row origins
samwillis
committed
perf(db): avoid duplicate btree index lookups
samwillis
committed
perf(db): reduce incremental change delivery allocations
samwillis
committed
perf(db): reduce group aggregate hashing
samwillis
committed
perf(db-ivm): specialize simple group aggregates
samwillis
committed
perf(db-ivm): fast path single-row joins
samwillis
committed
perf(db): fast path two-row sync commits
samwillis
committed

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