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docs(db2-delta): resident:keys has storage; move done criteria to Met

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- "no storage behind it" / "nothing yet stores a table that way" was
  false — CRUD, checkpoint survival and updates all landed; replaced
  with an accurate summary naming task 6/7 as what remains
- the three checked delete/delete-replay/update criteria sat in
  Outstanding despite being done; moved to Met, leaving Outstanding
  holding only genuine task 6/7 work

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
(cherry picked from commit b575678ee95fa3125fa4e8145320a9cdca10ba38)
This commit is contained in:
shoney.arickathil 2026-08-30 11:58:13 +02:00
parent 061942c9a6
commit 64035bf177
1 changed files with 8 additions and 6 deletions
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14
docs/stories/databasev2/02-table-storage-modes.md
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@ -74,9 +74,11 @@ in-process — same indexes, same `@unique`, same FK restrict, same query surfac
[porch 1–3](../porch/01-store-backed-middleware.md) need for sessions, [porch 1–3](../porch/01-store-backed-middleware.md) need for sessions,
rate-limit counters and idempotency keys. rate-limit counters and idempotency keys.
**The `resident: keys` half has its read path but no storage behind it.** **The `resident: keys` half is fully wired for CRUD.** Storage, reads, scans,
Offsets can be captured and rows can be read back from them; nothing yet stores `@unique`, deletes and updates (a WAL delta record, folded back to a value on
a table that way. every read) all work, and survive both a restart and a WAL checkpoint. Task
6's two runtime refusals and task 7's measurement are what remain — see
Outstanding below.
## Acceptance Criteria ## Acceptance Criteria
@ -123,9 +125,6 @@ Met:
would have been dropped from the new log; and the id map would still have would have been dropped from the new log; and the id map would still have
named offsets into the replaced file. Rows are rewritten in hash order, so named offsets into the replaced file. Rows are rewritten in hash order, so
offsets genuinely move and a missing re-point cannot pass by luck. offsets genuinely move and a missing re-point cannot pass by luck.
Outstanding:
- **Given** a `delete` of a row on a `resident: keys` table, **when** it runs, - **Given** a `delete` of a row on a `resident: keys` table, **when** it runs,
**then** the row is gone and nothing else is touched. ✅ **fixed 2026-08-29, **then** the row is gone and nothing else is touched. ✅ **fixed 2026-08-29,
and it was memory corruption before the fix.** `wo_row_remove` read the id and it was memory corruption before the fix.** `wo_row_remove` read the id
@ -201,6 +200,9 @@ Outstanding:
ratio enough to fire a checkpoint. The delta-updates design's decision ratio enough to fire a checkpoint. The delta-updates design's decision
not to cap chain length rests on compaction bounding it instead; for not to cap chain length rests on compaction bounding it instead; for
this shape it does not. this shape it does not.
Outstanding:
- **Given** `durable: true` and no `WO_DATA`, **when** the program starts, - **Given** `durable: true` and no `WO_DATA`, **when** the program starts,
**then** it refuses. *(task 6 — today this combination silently discards **then** it refuses. *(task 6 — today this combination silently discards
every write)* every write)*