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feat(entity): batching writes, iteration, aggregates — both drivers - #66
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- `insertStatement` builds every insert now — one row or ten thousand — so `insertAll([row])` compiles to the text `insert(row)` always produced, plus an `on conflict (…) do update set …`/`do nothing` clause and a `default` cell for a column a row inside the batch did not name. - New `bulk-write.ts`: what both drivers must agree on, decided in property space — the batch's column list, the upsert plan, the conflict key and the 65535-bind-parameter chunking. - `Repo.insertAll/upsertAll` + `Table.insertAll/upsertAll` (`Insertable`, `$parse` per row, `touch()` on upsert), memory + Postgres. The result is the rows the call wrote, so a `'nothing'` skip is absent from it. - Four refusals before a statement exists: a conflict target no declared unique constraint matches (all three declaration paths count), a target omitting the tenant column under `'update'` (X_TENANCY_UNSCOPED — it would rewrite another tenant's row), a batch repeating one target under `'update'` (21000), and an uneven batch under `'update'` (`excluded.<col>` is the default, not the stored value). Nulls are NULLS DISTINCT in both drivers, and the memory driver asserts the whole batch before storing any of it. - 68 new tests (bulk-write, repo, pg-driver-bulk, pg-driver-bulk.live), type pins for the bulk signatures, docs in lockstep. Co-Authored-By: Claude <noreply@anthropic.com>
- `ReadBuilder.inBatches(size)` yields the chain's own pages until the cursor runs out: one statement per batch, same filters, tenancy, soft delete, `select()` and `preload()` as `page()`. No second read path, and both drivers inherit it from the one they share. - The handle is the iteration: `break`, a throw and `await using` stop the next statement (`close()` is the generator's `return()`, so it is idempotent), and `.cursor` is where it stopped — `.after(cursor)` resumes it. - Three refusals on the chain, not one batch later: a size that is not a whole number of rows, a `limit()` on the same chain, and an ordering no cursor can carry — which a single-batch result would otherwise hide. - `totalOrder()` extracted from `planFor` so the guard judges the order the driver sends; `State.limit` is `number | undefined` so "the caller named a page size" is distinguishable from the driver's default. - 28 tests, 3 mutation-proved; type pins for the two consumption forms. Co-Authored-By: Claude <noreply@anthropic.com>
- `countBy` on `Repo`, on `ReadBuilder`/`Table` and on both drivers: one `group by` statement where recounting a page sent one `select count(*)` each - `count-by.ts` is the one place the rule lives — the closed set of groupable kinds, the group bound, the key's decoding, the order — so a rule added to one driver alone is the drift it exists to prevent - the bound refuses rather than truncates: the statement asks for one group past `MAX_GROUPS`, and that extra group is what says the answer never fit - a value nothing matched is absent, never `0`; NULL is one group in both drivers - both outputs are fixed aliases, so a column named `count` cannot collide - proved against a real Postgres in `pg-driver-count.live.test.ts` Co-Authored-By: Claude <noreply@anthropic.com>
- Cross-reference deleteWhere/updateWhere alongside insertAll/upsertAll as the fix for a per-row delete/update loop, in README, CLAUDE.md, the architecture doc, and inline in pg-driver.ts — the shape a write-loop N+1 detector's fix: line will point to. Co-Authored-By: Claude <noreply@anthropic.com>
- pg-driver-batch.live.test.ts / pg-driver-preload.live.test.ts prove inBatches() and preload() against a real Postgres — the last two bulk methods in this PR that had statement-shape tests but no live round-trip, per CLAUDE.md's "a new read path is not done until it round-trips there" rule. - batch-parity.test.ts / preload-parity.test.ts seed identical rows into memory and postgres and assert identical batch boundaries / preload attachment — insertAll/upsertAll and countBy already had this cross-driver assertion, these two did not. - CLAUDE.md's "two drivers, one meaning" rule now names all of it: a *-parity test plus a pg-driver-<feature>.live.test.ts is the bar for every new method. Co-Authored-By: Claude <noreply@anthropic.com>
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📝 WalkthroughWalkthroughThe PR adds cursor-based ChangesEntity data-layer capabilities
Estimated code review effort: 5 (Critical) | ~120 minutes Mergeability Score: 🟠 High · up to This PR adds bulk writes, batching, and grouped aggregates, but the current version can produce incorrect data, resurrect deleted records, or commit only part of a requested transaction. Aggregate results may also differ between drivers, and required readiness checks still have failures, so the PR is not merge-ready until these issues are resolved. Sequence Diagram(s)sequenceDiagram
participant Caller
participant ReadBuilder
participant EntityDriver
participant Database
Caller->>ReadBuilder: inBatches(size)
ReadBuilder->>EntityDriver: request page with cursor
EntityDriver->>Database: execute keyset query
Database-->>EntityDriver: rows and next cursor
EntityDriver-->>ReadBuilder: yield batch
ReadBuilder-->>Caller: async row batch
sequenceDiagram
participant Caller
participant Table
participant EntityDriver
participant Database
Caller->>Table: insertAll(rows) or upsertAll(rows, args)
Table->>EntityDriver: parse and submit rows
EntityDriver->>Database: execute chunked multi-row statement
Database-->>EntityDriver: written rows
EntityDriver-->>Caller: returned rows
sequenceDiagram
participant Caller
participant ReadBuilder
participant EntityDriver
participant Database
Caller->>ReadBuilder: countBy(column)
ReadBuilder->>EntityDriver: apply filters and tenancy
EntityDriver->>Database: execute grouped count query
Database-->>EntityDriver: grouped rows
EntityDriver-->>Caller: ordered ReadonlyMap
Possibly related PRs
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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Actionable comments posted: 12
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Inline comments:
In `@packages/entity/src/count-by-parity.test.ts`:
- Around line 1-5: Split the grouped-count tests by responsibility so each file
stays below roughly 200 lines: in packages/entity/src/count-by-parity.test.ts
(lines 1-5), separate shared setup from bound, refusal, and parity scenarios; in
packages/entity/src/count-by-statements.test.ts (lines 1-4), separate statement
compilation from wire-decoding and ordering scenarios; and in
packages/entity/src/pg-driver-count.live.test.ts (lines 1-4), extract live setup
or divide the integration scenarios. Preserve shared behavior while ensuring
each resulting module has one focused job and produces focused failure output.
Apply the same fix in `@packages/entity/src/pg-driver.ts` around lines 109 - 136:
Same extraction and file-size remediation for SQL generation.
In `@packages/entity/src/count-by.ts`:
- Around line 57-60: Replace the non-runnable fix fragments in countBy() at
packages/entity/src/count-by.ts lines 57-60 and 74-78 with documented,
executable x … --json repair commands, removing the undefined values
placeholder. Update the expected error assertions in
packages/entity/src/count-by-parity.test.ts lines 226-245 to match both runnable
commands.
In `@packages/entity/src/pg-driver-bulk.live.test.ts`:
- Around line 113-119: Add a counter around the statementsOf(migration.up) loop
and increment it when the UNIQUE_INDEX match causes a skip, then assert after
the loop that exactly one statement was skipped before executing
COMPOSITE_UNIQUE. Keep the existing generated-DDL execution behavior unchanged.
In `@packages/entity/src/pg-driver-preload.live.test.ts`:
- Around line 164-169: Update the BY_AUTHOR assertion in the live-read test to
preserve the intended ordering check by removing sorting from the actual and
expected arrays, matching the sibling parity test. If live reads intentionally
do not guarantee attachment order, document that contract instead and retain
order-independent comparison.
- Around line 188-199: Update the preload test assertions around
db().posts...preload('author').preload('reviewer') so they do not depend on sent
array order; assert that the recorded statements collectively contain one “in
($1, $2)” and one “in ($1)” bind shape, regardless of arrival order.
In `@packages/entity/src/pg-driver.ts`:
- Around line 172-189: Update insertAll and upsertAll to accept and forward
RepoOptions through writeRows, preserving the transaction client for every batch
chunk. In upsertAll, continue deriving the conflict plan from args.onConflict
and args.onMatch while ensuring the supplied options reach each writeRows
invocation.
In `@packages/entity/src/pg-sql.ts`:
- Around line 161-164: Update the grouped-count SQL query to add an ORDER BY on
the existing grouped column reference before the LIMIT clause, ensuring
deterministic Map iteration order while preserving the current grouping and
limit behavior.
In `@packages/entity/src/query.ts`:
- Around line 271-276: Update the countBy terminal and its underlying repository
calls so aggregate counts use the full predicate without applying page fields:
remove cursor and limit from the arguments passed to both Postgres and memory
drivers. Add coverage verifying cursor-bearing countBy queries return identical,
unpaginated aggregates across both drivers.
In `@packages/entity/src/repo.test.ts`:
- Around line 347-355: Update the test “an invariant judges every row of the
batch, not just the first” to assert that a failed insertAll leaves no rows
persisted, matching the all-or-nothing invariant contract in repo.ts and
pg-driver.ts. After the expected X_INVARIANT_VIOLATED rejection, verify the
repository contains neither batch member, including the row before the rejected
one.
In `@packages/entity/src/repo.ts`:
- Around line 311-348: Update upsertAll to detect when onMatch: 'update' would
include SOFT_DELETE_COLUMN in plan.set for an existing soft-deleted row, and
reject that operation with the established X_* error format and executable fix
guidance instead of writing the patch. Preserve normal updates and do-nothing
behavior for non-soft-deleted rows.
In `@wiki/Entities-And-Migrations.md`:
- Line 271: Update the “Groupable columns” row to state that a timestamp, jsonb,
or money column causes X_INVARIANT_VIOLATED, with the error naming a groupable
column of that entity; preserve the existing explanation about non-primitive Map
keys.
- Around line 256-260: Update the comment above the countBy call to state that
it performs one count query for all posts in ids, rather than implying one
statement per post. Leave the query and update loop unchanged.
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📒 Files selected for processing (29)
CHANGELOG.mddocs/architecture/06-data-layer.mdpackages/entity/CLAUDE.mdpackages/entity/README.mdpackages/entity/src/batch-parity.test.tspackages/entity/src/batch.test.tspackages/entity/src/batch.tspackages/entity/src/bulk-write.test.tspackages/entity/src/bulk-write.tspackages/entity/src/count-by-parity.test.tspackages/entity/src/count-by-statements.test.tspackages/entity/src/count-by.tspackages/entity/src/index.tspackages/entity/src/pg-driver-batch.live.test.tspackages/entity/src/pg-driver-bulk.live.test.tspackages/entity/src/pg-driver-bulk.test.tspackages/entity/src/pg-driver-count.live.test.tspackages/entity/src/pg-driver-preload.live.test.tspackages/entity/src/pg-driver.tspackages/entity/src/pg-sql.tspackages/entity/src/plan.tspackages/entity/src/preload-parity.test.tspackages/entity/src/query.tspackages/entity/src/repo.test.tspackages/entity/src/repo.tspackages/entity/src/type-pins.tswiki/Entities-And-Migrations.mdwiki/Error-Codes.mdwiki/Queries-And-Live-Queries.md
👮 Files not reviewed due to content moderation or server errors (4)
- packages/entity/README.md
- packages/entity/src/batch.test.ts
- packages/entity/src/type-pins.ts
- packages/entity/src/pg-driver-batch.live.test.ts
Review of PR #66. - `upsertPlan` spares a third closed set: the soft-delete column. A stamped row still occupies its conflict target — that unique index is not partial — so `excluded."deleted_at"` cleared a delete the app had made and handed the row back holding the batch's values. Excluded rather than refused, because `$parse` fills `deletedAt: null` into every row before the plan is built, so refusing it would make `onMatch: 'update'` impossible on every soft-deleting entity. `insertAll` is untouched. Proven in both drivers and against a real Postgres, red before the fix. - `count-by.ts`: the too-many-groups `fix:` spells `<values>`, a placeholder, where it named an identifier the caller does not have. - Tests: the all-or-nothing insert batch is pinned (`count()` is 0 after the refusal); `countBy` with a cursor and a `limit()` is pinned equal to the unpaged breakdown in both drivers; the live migration's replaced index is counted, so a rename fails as a rename and not as a `42703`; the concurrent preload statements are asserted as a set, not by arrival position; the live `hasMany` order claim is asserted rather than sorted away. - `bulk-write.test.ts` crossed the 500-line ceiling and is split along its own seam: what one statement carries stays, `upsert-plan.test.ts` takes the refusals, the set list and the conflict key. Co-Authored-By: Claude <noreply@anthropic.com>
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Looks ready — CI green, no risk signals, and the review is in. Consider applying a 🤖 Posted by developerz.ai — the maintainer agent, not a human. |
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🚀 Released v1.9.0 with the batching writes, iteration, and aggregates features: https://github.com/developerz-ai/ultimate/releases/tag/v1.9.0 🤖 Posted by developerz.ai — the maintainer agent, not a human. |
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Summary
insertAll/upsertAllonRepo,Tableand both drivers — one multi-row statement, chunked at Postgres's bind limit, four pre-statement refusals including a tenancy guard on updating upserts.ReadBuilder.inBatches(size)— a disposable keyset iterator over a whole table, same plan/filters/tenancy/preload aspage().countBy(column, where)— one grouped-count statement replacing a per-rowcount()loop.deleteWhere/updateWheredocumented as the bulk write forms.preload()andinBatches()now carry the same two-drivers-one-meaning proof every other bulk method in this PR has: a*-parity.test.ts(identical rows into both drivers, identical output) and apg-driver-<feature>.live.test.ts(proved against a real Postgres) — closing the last gap in this PR group.Test plan
bun test packages/entity— 389 pass / 56 skip (noTEST_DATABASE_URL)TEST_DATABASE_URL=... bun test packages/entity— 433 pass, 0 fail (full live tier)bun run verify— 12/17 (5 honest skips: job, eval, drift, contract-diff, budgets)🤖 Generated with Claude Code
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@codesmith-botwith what you need. Autofix is disabled.Summary by CodeRabbit
insertAll()and conflict-awareupsertAll()operations with validation, defaults, tenancy safeguards, and returned written rows.inBatches(size)for ordered, cursor-based asynchronous iteration with resumable progress and clean cancellation.countBy(column)for grouped counts with filtering, null handling, deterministic ordering, and bounded results.