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Opt-in record version history (recordHistory query) - #135
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Collections listed in RECORD_HISTORY_COLLECTIONS (exact NSIDs or prefix.* patterns, Tap mode) now keep every observed version in a new record_version table: one row per distinct CID plus delete tombstones, written before the current-state upsert so Tap redelivery keeps both consistent and repeats are no-ops. Startup seeds a baseline row per existing record without history. The root recordHistory(uri, first) GraphQL query returns versions oldest first. Off by default. Motivation: GainForest needs the label edit history of observations (app.gainforest.dwc.occurrence), meaning who changed a species name and when. Public Jetstream misses most certified.one events, so the indexer's Tap stream is the only reliable source.
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📝 WalkthroughWalkthroughChangesRecord version history
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~25 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant TapEvent
participant IndexHandler
participant RecordVersionsRepository
participant GraphQLClient
TapEvent->>IndexHandler: process record event
IndexHandler->>RecordVersionsRepository: append version or tombstone
GraphQLClient->>RecordVersionsRepository: query versions by URI
RecordVersionsRepository-->>GraphQLClient: return oldest-first history
Suggested reviewers: Merge Risk: 🟠 High · up to The opt-in history feature can permanently lose versions or return altered and incomplete results. Resolve these correctness and retrieval issues before merging. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Actionable comments posted: 7
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Inline comments:
In @.agents/skills/hyperindex/references/schema-reference.md:
- Line 53: Update the recordHistory documentation to accurately describe the
MaxRecordHistoryPageSize cap and truncation when no cursor/after pagination is
available. In .agents/skills/hyperindex/references/schema-reference.md lines
53-53, document the bounded result; make the same bounded-behavior correction in
.agents/skills/hyperindex/SKILL.md lines 262-262 and README.md lines 123-125,
removing claims that every stored version is returned.
- Line 352: Update the recordHistory read path around recordHistory and
ListByURI so collections no longer present in RECORD_HISTORY_COLLECTIONS return
an empty list, matching the documented behavior; otherwise revise the
documentation to state that previously tracked history remains queryable after
tracking is disabled.
In @.agents/skills/hyperindex/SKILL.md:
- Line 262: Update the recordHistory documentation near the collection
deployment guidance to qualify that value contains the full record body for
non-delete versions and is null for delete tombstones, while preserving the
existing oldest-first history and record-change example.
In `@cmd/hyperindex/main.go`:
- Around line 964-965: Update the baseline seeding error path near SeedBaseline
so a failed seeding operation prevents the Tap consumer from starting. Propagate
the error or retry seeding until it succeeds, ensuring startup does not continue
with incomplete baseline history.
In `@internal/graphql/recordhistory/recordhistory.go`:
- Line 58: Update recordhistory.ToGraphQL to decode JSON through a json.Decoder
configured with UseNumber instead of json.Unmarshal, preserving integers above
2^53 when converting values for types.JSONScalar. Add a regression test covering
a large JSON integer such as 9007199254740993.
In `@internal/graphql/schema/builder.go`:
- Line 1789: Validate that the GraphQL first argument is positive before calling
repos.RecordVersions.ListByURI; reject non-positive values or return an empty
result for zero, while preserving the existing repository call for valid values.
In `@internal/tap/handler.go`:
- Around line 154-155: Update the delete handling around DeleteReturning and
Append so removing the current record and inserting its tombstone occur within a
single database transaction. Propagate the transaction error instead of only
logging it and acknowledging the event, ensuring redelivery can retry the entire
operation when it fails.
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📒 Files selected for processing (21)
.agents/skills/hyperindex/SKILL.md.agents/skills/hyperindex/references/schema-reference.md.changes/unreleased/add-record-version-history.yamlAGENTS.mdREADME.mdcmd/hyperindex/main.gointernal/config/config.gointernal/database/migrations/migrations_test.gointernal/database/migrations/postgres/015_add_record_version.down.sqlinternal/database/migrations/postgres/015_add_record_version.up.sqlinternal/database/migrations/sqlite/015_add_record_version.down.sqlinternal/database/migrations/sqlite/015_add_record_version.up.sqlinternal/database/repositories/record_versions.gointernal/database/repositories/record_versions_test.gointernal/graphql/recordhistory/recordhistory.gointernal/graphql/resolver/context.gointernal/graphql/schema/builder.gointernal/graphql/schema/record_history_test.gointernal/tap/handler.gointernal/tap/handler_history_test.gointernal/testutil/db.go
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- Dedupe on a version key: the CID, a sha256 of the body when Tap sends no CID, or delete:<cid> for tombstones. CID-less edits no longer collapse into one version and redelivered deletes are no-ops. - Write the delete tombstone before removing the record and fail the event if it cannot be written, so Tap retries instead of losing the tombstone. - recordHistory pages with an `after` version id; `first` must be 1-500. - Switch history on only after baseline seeding succeeds, so a failed seed never leaves records whose baseline the next seed would skip. - Docs: deletes have a null value, paging, history stays queryable after a collection is removed.
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Review follow-ups in 7134c34:
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daviddao
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Sep 23, 2026
Ship record version history to production (staging port of #135)
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What
Collections listed in the new
RECORD_HISTORY_COLLECTIONSenv var (exact NSIDs orprefix.*, Tap mode) keep every observed version of each record:record_version(uri, cid, did, collection, action, json, live, observed_at). A partial unique index on(uri, cid)means redelivered or resynced versions are no-ops. Deletes are stored as tombstones.baselinerow (the current version, stamped withindexed_at) for every existing record in a tracked collection that has no history yet. The seed is idempotent, so adding a collection later seeds just that collection.recordHistory(uri: String!, first: Int = 100): [RecordVersion!]!query, oldest first, with the full record body invalue.History is off by default, so deployments that don't set the variable behave exactly as before.
Why
GainForest wants a label edit history for observations (
app.gainforest.dwc.occurrence): when a species name went from an AI suggestion to a person's correction. Repos only keep the latest version, so the history has to be recorded as versions arrive.We first tried a separate Jetstream listener. Over 12 hours, every public Jetstream instance delivered only 1 event for
app.gainforest.dwc.occurrence+app.certified.actor.profile, while the indexer (via Tap) indexed many. The indexer's Tap stream is the reliable source.Rollout
Set
RECORD_HISTORY_COLLECTIONS=app.gainforest.dwc.occurrenceon the productionhyperindexservice. The first boot seeds about 34.5k baseline rows (roughly 50 MB).Verification
go build ./...,golangci-lint run ./...(0 issues)go test -race ./...on SQLite and on PostgreSQL 17go test -race -tags=integration ./internal/integration/...recordHistory, and the 015 up/down migration. Existing migration tests that assumed 014 was the newest migration now roll back 015 first.Summary by CodeRabbit
New Features
recordHistoryGraphQL query to view record versions oldest-first, including actions, timestamps, record values, and delete events.Documentation
RECORD_HISTORY_COLLECTIONS, including collection names and prefix patterns.