Add SSR DbClient and live query identity by tannerlinsley · Pull Request #1564 · TanStack/db

tannerlinsley · 2026-05-30T03:13:51Z

Summary

Adds DbClient, DbProvider, and row-based dehydrate / hydrate APIs to support SSR and streaming at the collection level.
Makes React live queries derive identity from structured query IR by default, with queryKey reserved for opaque functional variants and hot render paths.
Keeps legacy dependency-array forms working for now with dev warnings ahead of 1.0 removal.
Updates docs, examples, skills, and test coverage to match the new SSR-friendly and React Query-aligned patterns.

Testing

Added and updated unit, type, and adapter tests for DbClient, hydration/dehydration, IR hashing, DbProvider, and React live-query identity behavior.
Ran package test suites and builds for @tanstack/db and @tanstack/react-db, plus adapter contracts and docs validation.
Verified formatting and diff cleanliness with git diff --check.

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pkg-pr-new · 2026-05-30T05:37:29Z

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commit: 132d53a

github-actions · 2026-05-30T05:38:05Z

Size Change: +3.64 kB (+2.99%)

Total Size: 125 kB

📦 View Changed

Filename	Size	Change
`packages/db/dist/esm/client.js`	1.27 kB	+1.27 kB (new file)	🆕
`packages/db/dist/esm/index.js`	3.14 kB	+133 B (+4.42%)
`packages/db/dist/esm/query/builder/index.js`	5.96 kB	+169 B (+2.92%)
`packages/db/dist/esm/query/ir-stable-identity.js`	2.06 kB	+2.06 kB (new file)	🆕

ℹ️ View Unchanged

Filename	Size
`packages/db/dist/esm/collection/change-events.js`	1.39 kB
`packages/db/dist/esm/collection/changes.js`	1.38 kB
`packages/db/dist/esm/collection/cleanup-queue.js`	810 B
`packages/db/dist/esm/collection/events.js`	434 B
`packages/db/dist/esm/collection/index.js`	3.61 kB
`packages/db/dist/esm/collection/indexes.js`	1.99 kB
`packages/db/dist/esm/collection/lifecycle.js`	1.69 kB
`packages/db/dist/esm/collection/mutations.js`	2.46 kB
`packages/db/dist/esm/collection/state.js`	5.33 kB
`packages/db/dist/esm/collection/subscription.js`	3.74 kB
`packages/db/dist/esm/collection/sync.js`	2.88 kB
`packages/db/dist/esm/collection/transaction-metadata.js`	144 B
`packages/db/dist/esm/deferred.js`	207 B
`packages/db/dist/esm/errors.js`	5.01 kB
`packages/db/dist/esm/event-emitter.js`	748 B
`packages/db/dist/esm/indexes/auto-index.js`	829 B
`packages/db/dist/esm/indexes/base-index.js`	729 B
`packages/db/dist/esm/indexes/basic-index.js`	2.05 kB
`packages/db/dist/esm/indexes/btree-index.js`	2.17 kB
`packages/db/dist/esm/indexes/index-registry.js`	820 B
`packages/db/dist/esm/indexes/reverse-index.js`	538 B
`packages/db/dist/esm/local-only.js`	890 B
`packages/db/dist/esm/local-storage.js`	2.1 kB
`packages/db/dist/esm/optimistic-action.js`	359 B
`packages/db/dist/esm/paced-mutations.js`	496 B
`packages/db/dist/esm/proxy.js`	3.75 kB
`packages/db/dist/esm/query/builder/functions.js`	1.37 kB
`packages/db/dist/esm/query/builder/ref-proxy.js`	1.23 kB
`packages/db/dist/esm/query/compiler/evaluators.js`	1.83 kB
`packages/db/dist/esm/query/compiler/expressions.js`	430 B
`packages/db/dist/esm/query/compiler/group-by.js`	3.56 kB
`packages/db/dist/esm/query/compiler/index.js`	6.67 kB
`packages/db/dist/esm/query/compiler/joins.js`	2.5 kB
`packages/db/dist/esm/query/compiler/lazy-targets.js`	918 B
`packages/db/dist/esm/query/compiler/order-by.js`	1.74 kB
`packages/db/dist/esm/query/compiler/select.js`	1.4 kB
`packages/db/dist/esm/query/effect.js`	4.77 kB
`packages/db/dist/esm/query/expression-helpers.js`	1.43 kB
`packages/db/dist/esm/query/ir.js`	1.25 kB
`packages/db/dist/esm/query/live-query-collection.js`	360 B
`packages/db/dist/esm/query/live/collection-config-builder.js`	8.34 kB
`packages/db/dist/esm/query/live/collection-registry.js`	264 B
`packages/db/dist/esm/query/live/collection-subscriber.js`	1.93 kB
`packages/db/dist/esm/query/live/internal.js`	145 B
`packages/db/dist/esm/query/live/utils.js`	1.81 kB
`packages/db/dist/esm/query/optimizer.js`	2.92 kB
`packages/db/dist/esm/query/predicate-utils.js`	2.97 kB
`packages/db/dist/esm/query/query-once.js`	359 B
`packages/db/dist/esm/query/subset-dedupe.js`	960 B
`packages/db/dist/esm/scheduler.js`	1.3 kB
`packages/db/dist/esm/SortedMap.js`	1.3 kB
`packages/db/dist/esm/strategies/debounceStrategy.js`	247 B
`packages/db/dist/esm/strategies/queueStrategy.js`	428 B
`packages/db/dist/esm/strategies/throttleStrategy.js`	246 B
`packages/db/dist/esm/transactions.js`	3.02 kB
`packages/db/dist/esm/utils.js`	927 B
`packages/db/dist/esm/utils/array-utils.js`	273 B
`packages/db/dist/esm/utils/browser-polyfills.js`	304 B
`packages/db/dist/esm/utils/btree.js`	5.61 kB
`packages/db/dist/esm/utils/comparison.js`	1.05 kB
`packages/db/dist/esm/utils/cursor.js`	457 B
`packages/db/dist/esm/utils/index-optimization.js`	1.54 kB
`packages/db/dist/esm/utils/type-guards.js`	157 B
`packages/db/dist/esm/virtual-props.js`	360 B

_{compressed-size-action::db-package-size}

github-actions · 2026-05-30T05:38:40Z

Size Change: 0 B

Total Size: 4.24 kB

ℹ️ View Unchanged

Filename	Size
`packages/react-db/dist/esm/index.js`	249 B
`packages/react-db/dist/esm/useLiveInfiniteQuery.js`	1.32 kB
`packages/react-db/dist/esm/useLiveQuery.js`	1.34 kB
`packages/react-db/dist/esm/useLiveQueryEffect.js`	355 B
`packages/react-db/dist/esm/useLiveSuspenseQuery.js`	567 B
`packages/react-db/dist/esm/usePacedMutations.js`	401 B

_{compressed-size-action::react-db-package-size}

socket-security · 2026-05-30T16:42:03Z

Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff	Package	Supply Chain Security	Vulnerability	Quality	Maintenance	License
	npm/@playwright/test@1.60.0

View full report

tannerlinsley added 2 commits May 29, 2026 18:47

Add SSR DbClient and live query identity

9e7b723

Add SSR DbClient and live query identity

06a3bc4

tannerlinsley and others added 4 commits May 29, 2026 23:18

Remove Claude worktree from SSR PR

cbe0440

Merge main into SSR DbClient PR

5e1d43c

Fix SSR PR after main merge

bb8e7f7

ci: apply automated fixes

ef1e8d4

tannerlinsley added 3 commits May 30, 2026 00:30

Tighten SSR collection identity

c87ba63

Add SSR hydration round trip test

ab10323

Add Start SSR hydration E2E

132d53a

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Add SSR DbClient and live query identity#1564

Add SSR DbClient and live query identity#1564
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tannerlinsley commented May 30, 2026

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