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feat: absorb appwrite's database gap-fillers into the library (8.1.0) - #1010

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abnegate merged 69 commits into
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feat/absorb-app-gaps

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Summary

appwrite#11649 filled several database gaps app-side (src/Appwrite/Databases/*). This PR moves those responsibilities into the library as proper APIs, released as 8.1.0 (minor). Everything is opt-in or additive. With no Hook\Nested hook registered and with setCheckGrants() and setRoundFractions() off, which is the default, 8.1.0 behaves exactly like 8.0.3, with one approved exception: a join on the parent side of a one-to-many relationship attribute, which 8.0.3 refused, is now read (see Changed).

What moved from appwrite

appwrite class Library replacement
RelationshipValues (appwrite's nested-document preparation) Utopia\Database\Hook\Nested, with prepare(Document $collection, Document $document): Document, registered with Database::addHook() and removed with removeHook(). It is given a copy of every related document that create, createDocuments, update, upsert(s), authorizeCreate() or authorizeUpdate() is given as a document, at any depth. Parents are prepared before children, and hooks run in registration order, before the grant check and before relating. It is not given the top-level document, ID strings or updateDocuments(). On a Mirror it runs on the mirror (for pre-checks) and on the source; the destination receives the IDs the source wrote.
RelatedPermissions (grant only held roles on nested documents) Database::setCheckGrants() / isCheckingGrants() / withCheckGrants(). Enforced in every write path and in the authorizeCreate() / authorizeUpdate() pre-checks with the staged-view $resolve, on the documents the nested hooks return. createDocument() / updateDocument() check against stored permissions read with a lock. Mirror checks on the source only. A related document whose ID a Hook\Nested hook assigned is judged new by the grant check (no stored-permission read, so no locking read; it needs create permission). While grants are checked, updateDocuments() refuses related documents given as documents (Invalid relationship value. A bulk update takes related documents by ID while grants are checked.).
Joins (read rule, one-to-many column resolution) The read rule was already enforced in 8.0.3 (authorizeJoins); this PR adds coverage on every adapter. New: an on condition whose left column is the parent side of a one-to-many relationship attribute resolves to $id = <child two-way key> (appwrite's resolveColumns()/oneToManyTwoWayKey(), parent side only), in find/findOne/read/aggregate/count/sum/getDocument, cursor() and resolveCursor(), with the same permission and tenant rules as any join.
CursorLookup Database::resolveCursor(string $collection, string $id, CursorDirection $direction, array $queries = []): Document. The cursor document is read with authorization skipped and only its cursor fields are returned. Joined order values come from rows the caller can read, and tie-breaks match find().
Listing Database::read(string $collection, array $queries = [], PermissionType $forPermission = PermissionType::Read): array, which routes to find() or aggregate(). ParsedQuery::isAggregation(). find() still refuses aggregates (DEC-40).
Support (spatial behind Pool) No code needed: hasFeature() already answers correctly through Pool, ReadWritePool, profile() and Mirror. This is now proven by unit tests and by e2e tests on every adapter.
Counter, IntegerOperators, Engine, Rounding, Decimal Database::setRoundFractions() / isRoundingFractions() / withRoundFractions(). Each engine declares its 7.4.1 behaviour through Adapter::arithmetic(): Arithmetic, built from Arithmetic\Rounding. Values are resolved from the locked stored row, with bigint kept exact. By default fractional operands on integer columns are still refused (8.0.2). The resolvers (Arithmetic\Decimal, Arithmetic\Fractional) are @internal.

Appwrite-only concerns stay in appwrite: TransactionState/Status/Cleanup, ListCache, the Queries exception mapping, the RelationshipUpdate param merge, FormatOptions, the read-only attribute strip and the CustomId check on relationship values.

Additive signatures

  • State\Snapshot's constructor gains two trailing optional arguments, checkGrants = false and roundFractions = false.
  • Validator\Operator and Validator\Structure (and so PartialStructure) gain a trailing bool $fractions = false.

Changed

  • A join whose on left column is the parent side of a one-to-many relationship attribute is now read (resolved to $id = <child two-way key>). 8.0.3 refused it with Cannot join on virtual relationship attribute. Every other relationship attribute joins, or is refused, exactly as in 8.0.3. This is the only existing assertion changed (JoinInternalColumnsTest).

Per-engine fractional mode (opt-in)

  • MariaDB and MySQL: the measured 7.4.1 rounding.
  • PostgreSQL:
    • operators: half away from zero;
    • multiply, divide and modulo: exact NUMERIC;
    • fractional counter changes: refused, as 7.4.1 did.
  • MongoDB: toward zero per operation (approximates the double 7.4.1 stored).
  • SQLite, Memory and Redis: toward zero with a truncated modulus, as 7.4.1 stored them.

Details and every refusal are in UPGRADE.md, under "Upgrading from 8.0 to 8.1".

Tests

Each item has fail-first unit tests and e2e scopes that run on every adapter job, with skips by capability.

  • Unit:
    • FractionalTest: appwrite's 204 measured rows, plus Memory-family rows and edge rows.
    • DecimalTest, RoundingTest, ArithmeticTest.
    • RoundFractionsTest: every appwrite CounterTest case.
    • OperatorFractionsTest, NestedPreparationTest, NestedPreCheckTest, MirrorReplicationTest (nested hook on a Mirror), RelationshipJoinTest, ResolveCursorTest, ReadTest, SpatialFeatureTest.
  • e2e scopes: NestedPreparationTests (nested hook and grant check), JoinReadRuleTests, JoinRelationshipTests (one-to-many joins on every SQL adapter incl. SQLite, SharedTables, Pool and Mirror, paging over the joined rows, tenant isolation), CursorTests, ReadTests, FractionalIntegerTests (rows per engine family, INT and BIGINT, bulk, upsert, bound refusals), and FeatureTests.
  • Unchanged: every existing test, including LiteralUniqueIdTest, the 8.0.2 refusal tests and the DEC-40 refusal. The only modified existing assertion is the approved one-to-many join in JoinInternalColumnsTest.

CHANGELOG.md and UPGRADE.md are updated for 8.1.0.

🤖 Generated with Claude Code

Summary by CodeRabbit

  • New Features
    • Added an API for reading documents and aggregate results, plus cursor resolution from document IDs.
    • Added hooks to prepare related documents before writes. Optional grant checks can restrict related-document permissions to roles held by the caller.
    • Added opt-in fractional operations on integer attributes, following each database engine’s rounding behavior.
  • Bug Fixes
    • Parent-side one-to-many joins now match parent IDs with the related documents’ corresponding relationship keys. Other relationship joins retain their existing behavior.
  • Documentation
    • Added 8.1.0 release notes and an upgrade guide covering new APIs, optional settings, and the join behavior change.

abnegate and others added 13 commits October 13, 2026 16:44
A one-to-many relationship attribute, and the child side of a two-way
many-to-one, holds no column on its collection: the related collection
stores this document's ID. appwrite rewrote such join conditions app-side
(Databases/Joins.php) so `on('orders', '$id')` reads the related rows;
the library now owns that rewrite. find, aggregate, count, sum and
getDocument rewrite the condition to `$id <op> <alias>.<twoWayKey>` on a
copy of the join before validation, keeping the operator and alias.

Only a condition that compares the attribute with the `$id` of the
collection the relationship relates is rewritten. appwrite rewrote
regardless of the joined collection or the right column, which silently
changed the meaning of a join of another collection; those, the parent
side of a many-to-one, one-to-one, many-to-many, a one-way many-to-one
child side, a relationship without a two-way key and a column of an
earlier join stay refused exactly as before.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Exercises the relationship join rewrite on every Joins adapter, and pins
the join read rule for aggregate(), which no test covered: a joined
collection readable neither at collection nor at document level is
refused, authorization disabled reads every row, and under document
security an aggregate over the join reads the rows a direct aggregate
of the joined collection would. The read-rule cases pass on 8.0.3; they
are coverage for behaviour appwrite relied on app-side.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…columns

Database 7.4.1 handed fractional amounts and limits on integer columns to
the engine, and each engine stored the result rounded its own way. 8.0
refuses them, so appwrite reimplemented the 7.4.1 answers app-side
(Appwrite\Databases\{Rounding,Decimal,Engine}). The library owns the
engines, so the knowledge belongs here.

Arithmetic is the value object an adapter will declare: the rounding of a
counter change, an operator, a division by a whole number and a power,
plus whether the engine refused fractional counter changes, which
operators it computed exactly and which it refused without a limit.
Rounding applies a fraction to a base without passing the base through a
float, so integers beyond 2^53 stay exact. Decimal reads number text
exactly at any size (merging appwrite's Decimal with the private
decimal/order/isTiny readers of IntegerOperators) so huge or tiny
exponents never expand into billions of digits.

Nothing calls these yet; defaults are unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Engine knowledge now lives in the adapters instead of an app-side engine
enum sniffed from the PDO driver name: Adapter::arithmetic() answers
MariaDB/MySQL rules (also for SQLite, Memory and Redis, which had no 7.4.1
engine of their own), Postgres declares NUMERIC rounding, its exact
operators and its refusals (7.4.1 bound the amount as text next to an
integer column, so a fractional counter change was refused), and Mongo
cuts toward zero as every 7.4.1 read of its stored double did. Pool asks
the pooled adapter once per pool, like capabilities(), and ReadWritePool
answers it where reads go without opening the sticky window.

Arithmetic\Fractional resolves a fractional operator against the stored
value into the whole-number increment or decrement that stores what the
engine stored, computes the whole change of a fractional counter change,
rounds fractional bounds to the whole number they allow, and cuts
fractional integer-array items toward zero. It returns a new operator
instead of mutating the given one, keeps the operator's attribute, and
leaves refused, non-numeric or non-finite cases unchanged so the strict
validator still refuses them.

The fixture holds appwrite's 204 rows measured against 7.4.1 on MariaDB
10.11, PostgreSQL and MongoDB 8.2.5, plus counter rows per engine, so the
wiring can replay them end to end. Nothing calls Fractional yet; defaults
are unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
appwrite generated IDs for nested 'unique()' documents and checked the
roles a caller grants on related documents app-side, because the library
stores 'unique()' literally (a deliberate 8.0 decision) and never compares
granted roles with held ones. Both become opt-in library toggles so the
default stays 8.0.3's.

Id::PLACEHOLDER and Id::isPlaceholder() name the placeholder. The toggles
follow the setPreserveDates idiom: State\Value-backed so they are scoped to
the calling coroutine, carried by Snapshot (trailing defaulted parameters
keep existing constructions valid) and restored by withSnapshot(), and
forwarded by Mirror to its source and destination like the other toggles.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
One recursive pre-pass, Relationships::prepareNested(), walks the related
documents a write is given as documents, as deep as relateAttributes()
relates them, before anything is written. With placeholders replaced, an
empty or 'unique()' ID gets a generated one up front, so links, junctions
and the prepared-create path all see the final ID; a string 'unique()'
stays a reference to the stored document. With grants checked and
authorization enabled, permissions a related document adds over its
current ones (none when new, else the staged view or the stored document)
must name roles the caller holds, matching appwrite's RelatedPermissions
text, and malformed ones are a structure error. It runs before the parent
passes its permissions down, so inherited permissions are never checked.

createDocument, createDocuments, updateDocument and upsertDocument(s) run
it at the root (all documents before the first is related, so a refusal
writes nothing); nested writes skip it because the root already prepared
their subtree, which also keeps documents past the write depth unchecked.
authorizeCreate/authorizeUpdate run it on a copy with the staged view, so a
generated ID is judged new and needs create. The root is changed in place
(only its relationship values, and only once the walk succeeds) because
Mirror replicates the caller's documents after the source wrote them; the
caller's nested documents are copied, never changed. With both toggles off
it returns before any walk.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
authorizeCreate/authorizeUpdate must decide what the write decides once
the staged writes ran: an unheld grant is refused without writing, a
staged view's permissions count as current, a document staged for deletion
is new so every role it carries is a new grant, and a generated placeholder
ID is new and needs create where the literal document only needed update.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…dapter

Placeholder IDs on create, update and upsert, a string 'unique()' kept as
a reference, the grant check on create and update (held, privileged and
unchecked writes allowed), and the placeholder plus unheld role case in
both the write and authorizeCreate(), on every adapter with relationships,
Mirror included, where the toggles are forwarded to source and destination.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Related documents given as documents are cloned before preparing, so the
conversion helper only ever sees arrays.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
PHPStan runs at max level over tests: the adapter factories need their
closure signature and stored values are narrowed instead of cast from
mixed.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Reviewing files that changed from the base of the PR and between cd31054 and 2c0212c.

📒 Files selected for processing (11)
  • CHANGELOG.md
  • UPGRADE.md
  • src/Database/Hook/Relationships.php
  • src/Database/Trait/Cursors.php
  • src/Database/Trait/Documents.php
  • tests/e2e/Adapter/Base.php
  • tests/e2e/Adapter/Scopes/JoinRelationshipTests.php
  • tests/unit/Joins/JoinInternalColumnsTest.php
  • tests/unit/Joins/RelationshipJoinTest.php
  • tests/unit/Relationships/NestedPreCheckTest.php
  • tests/unit/Relationships/NestedPreparationTest.php

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📝 Walkthrough

The 8.1 changes add nested relationship preparation and optional grant checks, opt-in fractional arithmetic for integer attributes, cursor resolution by document ID, aggregate-aware reads, and parent-side one-to-many join handling. Adapter arithmetic policies and spatial-feature support are also documented and tested.

Changes: Nested Relationship Preparation

Layer / File(s) Summary
Nested hooks and grant-check state
src/Database/Hook/Nested.php, src/Database/Hook/Preparation.php, src/Database/Database.php, src/Database/State/Snapshot.php, CHANGELOG.md, UPGRADE.md
Database accepts nested preparation hooks and exposes grant-check controls. Grant checking defaults off, and snapshots carry both new toggle values. The release and upgrade notes describe the hook and grant-check behavior.
Nested write preparation and grant checks
src/Database/Hook/Relationships.php, src/Database/Trait/Documents.php, tests/unit/Relationships/*, tests/e2e/Adapter/Scopes/Relationships/*
Relationship writes prepare nested documents before grant checks and relationship processing. The tests cover hook order, nested write paths, permission checks, and bulk-update restrictions.
Mirror routing and replication
src/Database/Mirror.php, tests/unit/MirrorReplicationTest.php
Mirror registers nested hooks on the source and mirror. Replicated destination writes disable grant checks. Tests cover nested preparation and replicated documents.

Fractional Integer Arithmetic

Layer / File(s) Summary
Adapter arithmetic policies
src/Database/Arithmetic.php, src/Database/Adapter*.php, src/Database/Adapter/*, tests/unit/Adapter/*
Adapters and pools expose arithmetic rounding and refusal policies. ReadWritePool treats arithmetic as metadata.
Decimal parsing and fractional resolution
src/Database/Arithmetic/*, tests/unit/Arithmetic/*, tests/unit/Support/Fractional*
Decimal parsing and rounding support exact fractional calculations. Fractional operations resolve operands, counters, bounds, and integer-array items using engine-specific policies.
Fractional validation and write paths
src/Database/Database.php, src/Database/Trait/Documents.php, src/Database/Trait/Fractions.php, src/Database/Validator/*, tests/unit/Documents/RoundFractionsTest.php, tests/unit/Validator/OperatorFractionsTest.php, tests/e2e/Adapter/*, UPGRADE.md, CHANGELOG.md
With fraction rounding enabled, document writes resolve fractional operations and bounds. Validator options and adapter-specific end-to-end cases cover the behavior.

Reads, Cursors, and Relationship Joins

Layer / File(s) Summary
Document and aggregate reads
src/Database/ParsedQuery.php, src/Database/Trait/Documents.php, tests/unit/Documents/ReadTest.php, tests/e2e/Adapter/Scopes/ReadTests.php, tests/e2e/Adapter/Scopes/JoinReadRuleTests.php
read() delegates document queries to find() and returns aggregate rows as Documents. Aggregate reads require Read permission. Tests cover grouped reads and joined aggregation authorization.
Cursor resolution with joined ordering
src/Database/Trait/Cursors.php, tests/unit/Documents/ResolveCursorTest.php, tests/e2e/Adapter/Scopes/CursorTests.php
resolveCursor() builds a cursor from a document ID and query ordering. Joined order values come from matching rows. Tests cover joins, filtering, missing documents, and paging.
One-to-many join resolution
src/Database/Trait/Documents.php, tests/unit/Joins/*, tests/e2e/Adapter/Scopes/JoinRelationshipTests.php
Supported parent-side one-to-many join conditions compare the main $id with the joined collection’s two-way key. Tests cover reads, aggregates, authorization, and cursor paging.

Spatial Feature Coverage

Layer / File(s) Summary
Spatial feature checks
tests/unit/Adapter/SpatialFeatureTest.php, tests/e2e/Adapter/Scopes/FeatureTests.php, UPGRADE.md
Tests compare spatial-feature reporting across adapters and wrappers, and check point-attribute creation when spatial support is absent. The upgrade guide documents the spatial-feature check.

Priority: ➖ Normal

Estimated code review effort: 4 (Complex) | ~60 minutes

Change: Feature

Sequence Diagram(s)

sequenceDiagram
  participant Database
  participant Relationships
  participant NestedHook
  participant GrantCheck
  Database->>Relationships: prepare related document
  Relationships->>NestedHook: run preparation hooks
  NestedHook-->>Relationships: return prepared document
  Relationships->>GrantCheck: validate new permissions
  Relationships-->>Database: return prepared relationships
Loading
sequenceDiagram
  participant Database
  participant Documents
  participant Fractions
  participant Adapter
  Database->>Documents: apply fractional mode
  Documents->>Fractions: resolve operation against stored value
  Fractions-->>Documents: return resolved integer operation
  Documents->>Adapter: write resolved operation
Loading
Merge Risk: 🔵 Low · up to 2c021

The changes are mostly opt-in and additive. The remaining open concerns are a static-analysis directive in a test file, an edge-case validator comparison near 64-bit limits, and possible precision loss in the value returned by an exact counter operation. Resolve these before or shortly after merge; none appears to affect default behavior.

Pre-merge checks · Passed 4 · Failed 1

Failed Failed checks (1 warning)

Check name Status Explanation Resolution
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Passed Passed checks (4 passed)
Check name Status Explanation
Description Check Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check Passed The title accurately summarizes the main change: moving Appwrite database responsibilities into the library for version 8.1.0. It is concise and specific.
Linked Issues check Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check Passed Check skipped because no linked issues were found for this pull request.
Full details: Docstring Coverage

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Docstring coverage is 51.25% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 521 functions across 58 files. (2 skipped: 2 unsupported.)

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abnegate and others added 16 commits October 13, 2026 17:02
…proxy

appwrite wrapped Feature\Spatial in a Support class because it believed
hasFeature() behind a pool was unreliable. 8.0.3 already answers it
correctly, so this pins that: every adapter, a Pool, a ReadWritePool, a
Database profile and a Mirror (whose destination answers the opposite
way) all give the held adapter's answer, the spatial axis order
capability plays no part, and every other Feature and Capability a
consumer reads through a pool (Relationships, Schemaless,
DefinedAttributes, Operators, Joins, ...) matches the adapter as well.
Consumers can ask hasFeature(Feature\Spatial::class) directly.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
On every adapter job (including Pool, Mirror, shared tables and
schemaless), the adapter's Feature\Spatial answer and the profile's must
match whether a point attribute can actually be created, so a consumer
gating spatial types on hasFeature() never offers one the engine refuses
or hides one it stores.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
find() refuses aggregate and groupBy queries by design (DEC-40), so a caller
serving one list endpoint had to inspect the queries itself and pick find()
or aggregate(), which appwrite did app-side in Listing. read() makes that
routing a library API: aggregate or groupBy queries return aggregate()'s
rows wrapped as documents, everything else returns find(). Aggregates read
under the read permission only, so another permission is refused rather
than silently read as read. find() keeps refusing aggregates.

ParsedQuery::isAggregation() names the check fetch() and read() share.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Clients page by the ID of the last row they saw, but find() needs the row's
order values, and over a join those come from a joined row, not the
document. appwrite resolved them app-side in CursorLookup, duplicating the
library's join-order rules. resolveCursor() moves that into the library and
reuses qualifyJoinedOrders(), addTieBreaks() and joinMatchesAtMostOneRow(),
so the cursor carries exactly the values fetch() orders by and cannot
disagree with it.

The document is read with authorization skipped so a list can page past a
document its caller cannot read; joined values come from the rows the
caller can read, filtered by the join conditions, the list's filters on
that alias and the join's own filters, and ordered so that a page after the
document starts behind its last paired row and a page before it ends ahead
of its first. Joins on a one-to-many relationship attribute go through
rewriteRelationshipJoins() first, like every other read.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
A bulk update or upsert under the fractional-integer mode validates its
operators before the rows they change are read locked, so the validator
must let a finite fractional amount or limit on an integer attribute
through and leave its resolution to the caller. The new trailing
$fractions flag on Validator\Operator, threaded through Structure and
PartialStructure, does exactly that: the fraction must lie within the
attribute's range, the stored-value prediction is skipped for it, and
every other operand is checked as before. Off by default, so the 8.0.2
refusals are unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
appwrite rounded fractional counter changes and operator operands on
integer columns app-side (Databases/Counter, IntegerOperators) to keep
answering as database 7.4.1 did, where the engine stored the result its
own way. The library now owns that behind setRoundFractions /
isRoundingFractions / withRoundFractions, a State\Value toggle carried by
State\Snapshot and forwarded by Mirror. Off by default: every 8.0.2
refusal is unchanged.

When on, for single-valued integer and bigint attributes, using the
adapter's Arithmetic:
- increase/decreaseDocumentAttribute: a whole change floors a fractional
  maximum and ceils a fractional minimum; a float change is answered from
  the row read locked in the write's transaction: the exact result is
  held to the bound as given (Limit before any write), the whole-number
  change that stores what the engine stored is written (a change of 0
  still bumps $updatedAt, purges and fires its events) and the exact
  float is returned. Bigint stays exact past 2^53; <=0 is still a Type.
- updateDocument resolves fractional numeric operators against the
  locked old document before structure validation and cuts fractional
  integer-array items toward zero; an operator the engine refused comes
  back unchanged and the strict validator refuses it as before.
- updateDocuments and upsertDocument(s), only when a fractional operator
  targets an integer column, validate with the fractions flag, then read
  each row locked inside the batch transaction (under its own tenant),
  resolve per row, re-validate strictly, and send one adapter update per
  group of identical resolved operators. A row an upsert creates resolves
  against 0. The default path reads the toggle once and is otherwise
  unchanged.

D7, PostgreSQL counters on 7.4.1 (source reading of
7.4.1:src/Database/Adapter/Postgres.php increaseDocumentAttribute and
7.4.1:src/Database/Database.php increase/decreaseDocumentAttribute, not a
measured run): Database first compared stored +/- value with the bound in
PHP and threw LimitException past it; it then bound :val and
:max = max - value (:min = min + value) with bindValue as text under
emulated prepares into `"attr" = "attr" + :val ... AND "attr" <= :max`.
PostgreSQL types an untyped literal next to an integer column as integer,
so '1.5' or '8.5' fails with invalid input syntax for type integer. Hence
a fractional change was refused with or without a bound, a whole change
with a fractional bound was refused too, and in both cases a result past
the bound was a LimitException first. Encoded as: Limit check on the
exact result, then Type 'Change value must be an integer.' for a
fractional change, then Type 'Max/Min must be an integer.' for a
non-whole bound; a whole float change with a whole bound is stored.
MongoDB stored the double; the per-operation toward-zero result is the
documented approximation.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Runs the engine family's 68 operator rows and 21 counter rows from the
shared 7.4.1 fixture through each e2e adapter with the mode on, in one
collection per test, plus a bulk update across differing stored values,
an upsert of a stored and a new row, a bigint operator past 2^53 and the
refusals without the mode. The family comes from fractionalEngine(),
MariaDB in Base and overridden by the PostgreSQL and MongoDB classes.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
8.1.0 rewrites a join on the parent side of a one-to-many relationship to
compare the parent's $id with the two-way key its children store, so the
join is no longer refused as virtual. The child side of a one-to-one stays
refused.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Aggregate rows and joined attributes are mixed, and some adapters return
numbers as strings, so they are read as integers only once checked numeric.
The scoped-toggle test reads both toggles through one closure so the
default and the scoped values are not inferred from earlier assertions.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The upsert closure resolved fractions through a method on the database
before reading the adapter, which dropped the Upserts narrowing that
adapterHasFeature() asserts; the adapter is now read first. A stored
value that is not a scalar is no longer handed to Fractional::operator(),
so its operator stays unresolved and is refused. isFractional() asserts
the float or numeric text it accepts, which replaces an inline @var.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Joined and aggregated values are mixed, so they are read as integers
once checked numeric. The find() refusal is asserted with
expectException() instead of an always-true instanceof check.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The documents trait had grown past 5000 lines, and the relationship join
rewrite added three more helpers to it. The join helpers already formed one
contiguous block (relationship join rewrite, joined collection resolution,
join authorization, adapter hints, outer join id selections), so they move as
is into a Joins trait used by Database. Call sites, constants and behaviour
are unchanged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
resolveCursor() reads the document with authorization skipped so a list can
page past a document its caller cannot read, and the caller chooses the
orders, so the cursor's order values (joined ones included) can expose
attributes of an unreadable document. The cursor already carries only the
fields paging needs; the docblock now says it must only go back into
cursorAfter()/cursorBefore() and never be returned to an end user.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@abnegate
abnegate marked this pull request as ready for review October 13, 2026 05:21

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Actionable comments posted: 1


  • 🪄 Fix CodeRabbit comments on this PR
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Review comments at @tests/unit/Documents/ReadTest.php:
- Around line 149-150: Remove the unmatched PHPStan ignore directive immediately
above the read() call in the relevant test; retain the call unchanged unless
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📒 Files selected for processing (63)
  • CHANGELOG.md
  • UPGRADE.md
  • src/Database/Adapter.php
  • src/Database/Adapter/Memory.php
  • src/Database/Adapter/Mongo.php
  • src/Database/Adapter/Pool.php
  • src/Database/Adapter/Postgres.php
  • src/Database/Adapter/ReadWritePool.php
  • src/Database/Adapter/Redis.php
  • src/Database/Adapter/SQLite.php
  • src/Database/Arithmetic.php
  • src/Database/Arithmetic/Decimal.php
  • src/Database/Arithmetic/Fractional.php
  • src/Database/Arithmetic/Rounding.php
  • src/Database/Database.php
  • src/Database/Hook/Preparation.php
  • src/Database/Hook/Relationships.php
  • src/Database/Id.php
  • src/Database/Mirror.php
  • src/Database/ParsedQuery.php
  • src/Database/State/Snapshot.php
  • src/Database/Trait/Cursors.php
  • src/Database/Trait/Documents.php
  • src/Database/Trait/Fractions.php
  • src/Database/Trait/Joins.php
  • src/Database/Validator/Operator.php
  • src/Database/Validator/Structure.php
  • tests/e2e/Adapter/Base.php
  • tests/e2e/Adapter/MemoryTest.php
  • tests/e2e/Adapter/MongoDBTest.php
  • tests/e2e/Adapter/PostgresTest.php
  • tests/e2e/Adapter/RedisTest.php
  • tests/e2e/Adapter/SQLiteTest.php
  • tests/e2e/Adapter/Schemaless/MongoDBTest.php
  • tests/e2e/Adapter/Scopes/CursorTests.php
  • tests/e2e/Adapter/Scopes/FeatureTests.php
  • tests/e2e/Adapter/Scopes/FractionalIntegerTests.php
  • tests/e2e/Adapter/Scopes/JoinRelationshipTests.php
  • tests/e2e/Adapter/Scopes/ReadTests.php
  • tests/e2e/Adapter/Scopes/RelationshipTests.php
  • tests/e2e/Adapter/Scopes/Relationships/NestedPreparationTests.php
  • tests/e2e/Adapter/SharedTables/MongoDBTest.php
  • tests/e2e/Adapter/SharedTables/PostgresTest.php
  • tests/e2e/Adapter/SharedTables/SQLiteTest.php
  • tests/unit/Adapter/ArithmeticTest.php
  • tests/unit/Adapter/ReadWritePoolMetadataTest.php
  • tests/unit/Adapter/ReadWritePoolTest.php
  • tests/unit/Adapter/SpatialFeatureTest.php
  • tests/unit/Arithmetic/DecimalTest.php
  • tests/unit/Arithmetic/FractionalTest.php
  • tests/unit/Arithmetic/RoundingTest.php
  • tests/unit/Documents/ReadTest.php
  • tests/unit/Documents/ResolveCursorTest.php
  • tests/unit/Documents/RoundFractionsTest.php
  • tests/unit/Joins/JoinInternalColumnsTest.php
  • tests/unit/Joins/RelationshipJoinTest.php
  • tests/unit/MirrorReplicationTest.php
  • tests/unit/Relationships/NestedPreCheckTest.php
  • tests/unit/Relationships/NestedPreparationTest.php
  • tests/unit/State/CoroutineStateTest.php
  • tests/unit/Support/FractionalEngine.php
  • tests/unit/Support/FractionalResults.php
  • tests/unit/Validator/OperatorFractionsTest.php

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Comment on lines +149 to +150
/** @phpstan-ignore argument.type */
$this->database->read(self::COLLECTION, ['count()']);

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📐 Maintainability & Code Quality | 🟡 Minor | ⚡ Quick win

Remove the unmatched @phpstan-ignore argument.type directive.

PHPStan reports ignore.unmatchedIdentifier on Line 150. The directive does not match any error at that location. If the project runs PHPStan with unmatched-ignore reporting enabled, the static analysis run fails. Delete the directive. If PHPStan reports a different identifier there, use that identifier instead.

Proposed fix
--- "a/tests/unit/Documents/ReadTest.php"
+++ "b/tests/unit/Documents/ReadTest.php"
@@ -146,7 +146,6 @@
         $this->expectException(QueryException::class);
         $this->expectExceptionMessage('Invalid query type: "string"');
 
-        /** @phpstan-ignore argument.type */
         $this->database->read(self::COLLECTION, ['count()']);
     }
 }
📝 Committable suggestion

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Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
/** @phpstan-ignore argument.type */
$this->database->read(self::COLLECTION, ['count()']);
$this->database->read(self::COLLECTION, ['count()']);
🧰 Tools
🪛 PHPStan (2.2.14)

[error] 150-150: No error with identifier argument.type is reported on line 150.

(ignore.unmatchedIdentifier)

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Review comment at @tests/unit/Documents/ReadTest.php around lines 149 - 150:
Remove the unmatched PHPStan ignore directive immediately above the read() call
in the relevant test; retain the call unchanged unless PHPStan reports a
different identifier for that location.

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abnegate and others added 16 commits October 13, 2026 18:56
…ut a column

8.0.3 refuses a join that compares a one-to-many parent attribute, or the
child side of a two-way many-to-one, with the related $id: the attribute
has no column to match. Rewriting such a join onto the related
collection's two-way key reads rows 8.0.3 refused, a changed default the
8.1.0 brief never asked for. With the rewrite gone getDocument(), find(),
aggregate(), count(), sum() and resolveCursor() answer these joins as
8.0.3 did, and JoinInternalColumnsTest is back to its 8.0.3 assertions.

The aggregate join read-rule coverage stays, in a trait named for what
it covers.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Moving the join helpers into a Joins trait was a pure refactor the 8.1.0
brief did not ask for; without the relationship join rewrite nothing
needs them apart. Back at their 8.0.3 place and text, the documents
trait shows no change in them against 8.0.3, and Trait\Cursors keeps
calling them on the database.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
… nextPageCheck()

ParsedQuery::isAggregation() exists for read(); rewriting the existing
checks in fetch() and nextPageCheck() onto it changed 8.0.3 code the
8.1.0 brief did not ask to touch.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…not rounded

increaseDocumentAttribute() and decreaseDocumentAttribute() renamed
$currentVal and $currentDecVal and sent the integer checks of the
default path through prepareIntegerChange(). Only the round-fractions
mode needs new code: with it off the counters now read exactly as in
8.0.3, and prepareIntegerChange() serves the rounding mode alone.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
isValidLimit() read the attribute's bounds before every limit check to
serve the fractional branch. The default path reads them at its 8.0.3
place again, and the fractional branch reads them only for its own
message. The fractional check no longer narrows the limit when it is
false, since a limit that is not a fraction can still be a float.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
'unique()' placeholders are an appwrite feature, not a library one, so the
library goes back to treating 'unique()' exactly as 8.0.3 did: a literal ID at
every depth. Id.php and both ID generation sites are restored to 8.0.3, and
setReplacePlaceholders()/withReplacePlaceholders()/isReplacingPlaceholders(),
the snapshot field and the Mirror overrides are gone.

What appwrite needs instead is a way to rewrite nested related documents
before the write relates them. None of the existing hooks can: decorators run
after the write and are silenced for nested writes, lifecycle hooks return
void, write hooks run per row after IDs are fixed and never in the pre-checks.
Hook\Nested plugs into the one walk that already reaches every nested
document at every depth (the nested pre-pass), so it runs before the grant
check and before relating, in writes and in authorizeCreate/authorizeUpdate.
Running it before the grant check means a rewritten ID that is not stored is
judged new and needs create.

A Mirror registers it on itself, for its pre-checks, and on the source only:
the destination replicates the documents the source already prepared, so
preparing them again would give it IDs the source does not have.

The bulk update refusal stays, gated on the grant check alone: updateDocuments()
relates nested documents without the pre-pass, so with grants checked an
unheld role could otherwise be granted there. Nested hooks never run in it,
because one rewritten document would serve every matched row.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
8.1.0 is a minor release, so a Snapshot built with the 8.0.3 arguments must
keep working. The new checkGrants and roundFractions parameters now default to
false, the modes' own defaults, and the @internal tag this release added is
dropped so the class stays as public as it was in 8.0.3. CoroutineStateTest
is back to its 8.0.3 text and passes unchanged, which is the proof.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Decimal and Fractional implement the opt-in fractional mode; they were never
approved as public API, so they are marked @internal to keep them free to
change without a major release.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The placeholder toggle is gone: the library never interprets 'unique()', and
an application that wants generated nested IDs registers a Hook\Nested. These
tests pin that contract on Memory and SQLite for every relationship type, in
both directions, two and three levels down: createDocument, createDocuments,
updateDocument, upsertDocument(s) and authorizeCreate/authorizeUpdate give
each related document sent as a document or an array to the hooks, parent
before child and in registration order, as a copy; the top-level document,
string references and bulk updates are never given to them; removing a hook
by instance or class stops it; a hook exception writes nothing.

The grant check runs on the rewritten document, so a rewritten ID that is not
stored needs create and has every permission checked, and a resolver is only
asked about rewritten IDs. The bulk refusal now fires only while grants are
checked, with the new message. The grant tests that are kept run against
their unchanged fixtures; the hook tests use separate two-way fixtures.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Replaces the placeholder e2e tests with Hook\Nested ones so every adapter job,
Mirror, Pool and shared tables included, shows a registered hook rewriting
related documents of every relationship type from either side, in creates,
updates, createDocuments and (behind Feature\Upserts) upserts; keeping a
string marker a reference; and running in the pre-checks before the grant
check. Each test removes its hook in a finally block because the database is
shared across a test class. The bulk refusal test asserts the grants-only
message.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…ll resolver

PHPStan at level max reports the leftover closure's untyped spread and a
?Document return that is only ever null.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The placeholder API and the one-to-many join rewrite left this PR, so the
8.1.0 notes still promised Id::PLACEHOLDER, setReplacePlaceholders(), a
changed join rule and a required Snapshot argument that no longer exist.
They now describe what ships: Hook\Nested as the way an application gives
nested related documents its own meaning (8.1 still stores 'unique()' as
given), the grant check and its bulk refusal while grants are checked, the
optional Snapshot arguments, and only the public arithmetic types. With no
nested hook and both toggles off 8.1.0 behaves as 8.0.3, so nothing is
listed as changed.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Database::addHook() registers an object under every hook interface it
implements, so the unconditional source->addHook() for Nested hooks
re-registered the hook's other roles. A Lifecycle+Nested hook ended up on
the source twice (every lifecycle event handled twice, prepare() run twice
per related document) and never on the mirror, so the mirror's own
authorizeCreate()/authorizeUpdate() pre-checks skipped it; a Write+Nested
hook was appended twice to the adapter the mirror shares with the source;
an Invalidator+Nested hook was prepared twice on the source.

Each branch already registers the hook fully on one side, so the Nested
role is now added only to the side that branch skipped: the mirror for
lifecycle hooks (registered on the source), the source for everything
else except invalidators (already on both). Hooks that are not Nested
register exactly as before, and removeHook() already strips every list
on both sides.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

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🟠 Major · Return the resolved integer result without float precision loss. · Fractions.php:113

src/Database/Trait/Fractions.php:113
🗄️ Data Integrity & Integration | 🟠 Major | 🏗️ Heavy lift

Return the resolved integer result without float precision loss.

If the stored integer exceeds 2^53, (float) $stored cannot retain every integer value. increaseDocumentAttribute() and decreaseDocumentAttribute() put this computed value on the returned Document, so the caller can receive a value that differs from the stored result. Return the exact resolved integer value instead of calculating the return value with floats.

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Review comment at @src/Database/Trait/Fractions.php at line 113:
Update the resolved-value calculation in `increaseDocumentAttribute()` and
`decreaseDocumentAttribute()` to use exact integer arithmetic instead of
converting `$stored` and `$value` to floats, so the returned `Document` value
preserves integers larger than 2^53 exactly.

  • 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
Review comments at @src/Database/Validator/Operator.php:
- Line 120: Update isValidLimit() and isFractionInBounds() to compare fractional
operands against integer bounds using exact decimal comparison rather than
converting either value to float; ensure values beyond signed 64-bit bounds are
rejected.

---

Outside diff comments:
Review comments at @src/Database/Trait/Fractions.php:
- Line 113: Update the resolved-value calculation in
`increaseDocumentAttribute()` and `decreaseDocumentAttribute()` to use exact
integer arithmetic instead of converting `$stored` and `$value` to floats, so
the returned `Document` value preserves integers larger than 2^53 exactly.

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📒 Files selected for processing (22)
  • CHANGELOG.md
  • UPGRADE.md
  • src/Database/Arithmetic/Decimal.php
  • src/Database/Arithmetic/Fractional.php
  • src/Database/Database.php
  • src/Database/Hook/Nested.php
  • src/Database/Hook/Preparation.php
  • src/Database/Hook/Relationships.php
  • src/Database/Mirror.php
  • src/Database/State/Snapshot.php
  • src/Database/Trait/Cursors.php
  • src/Database/Trait/Documents.php
  • src/Database/Trait/Fractions.php
  • src/Database/Validator/Operator.php
  • tests/e2e/Adapter/Base.php
  • tests/e2e/Adapter/Scopes/CursorTests.php
  • tests/e2e/Adapter/Scopes/JoinReadRuleTests.php
  • tests/e2e/Adapter/Scopes/Relationships/NestedPreparationTests.php
  • tests/unit/Documents/ResolveCursorTest.php
  • tests/unit/MirrorReplicationTest.php
  • tests/unit/Relationships/NestedPreCheckTest.php
  • tests/unit/Relationships/NestedPreparationTest.php
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  • tests/e2e/Adapter/Scopes/CursorTests.php
  • tests/unit/Documents/ResolveCursorTest.php
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  • src/Database/Arithmetic/Fractional.php

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{
$methodName = $operator->getMethod()->value;

if ($this->isFraction($limit, $attribute)) {

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🎯 Functional Correctness | 🟠 Major | 🏗️ Heavy lift

Compare fractional limits against integer bounds without converting to float.

For a signed 64-bit integer attribute, "9223372036854775808.5" is above the maximum. Converting that value and PHP_INT_MAX to floats makes them compare equal, so isValidLimit() accepts an invalid limit. Use exact decimal comparison for fractional limits. Apply the same correction to fractional operands in isFractionInBounds().

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Review comment at @src/Database/Validator/Operator.php at line 120:
Update isValidLimit() and isFractionInBounds() to compare fractional operands
against integer bounds using exact decimal comparison rather than converting
either value to float; ensure values beyond signed 64-bit bounds are rejected.

After applying the fix, consider running `coderabbit review --agent` for local
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abnegate and others added 9 commits October 13, 2026 19:49
The 'unique()' placeholder is an appwrite feature, not a library one, so
the 8.1.0 notes should not frame Hook\Nested around it. The hook is a
generic extension point for rewriting nested related documents before
they are written, so the upgrade guide now shows it filling in a default
attribute instead of generating IDs.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
… check

With grants checked, a related document whose ID a Hook\Nested hook assigned
was judged by the permissions stored (or staged) under that ID, read with
getDocument(forUpdate: true) inside createDocument() and updateDocument().
The ID is not stored yet, so the locking read only took a gap lock on the
missing row, which serialises concurrent writes that assign fresh IDs and
can deadlock them, for no benefit: such a document has no permissions to
keep. When the hooks change a document's ID it is now new to the grant
check, so every permission it sends is checked and nothing is read, locked
or resolved for it. Documents whose ID the hooks keep, and every write with
no hook registered, behave as before; the create-permission pre-checks
already judged a hook-assigned ID that is not stored as new.

The tests prove the absence of the read behaviourally: a hook that maps a
marker onto an ID stored with a role the caller does not hold used to pass
when the same permissions were sent back, because they were read as
current, and is now refused.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The parent side of a one-to-many relationship holds no column, so 8.0.3
refused a join condition such as on('orders', '$id') and appwrite had to
rewrite it before calling the library. The library now resolves it the
way appwrite's Joins::resolveColumns() did: the condition compares the
main $id with the relationship's two-way key in the joined collection,
keeping its operator.

getDocument(), find(), aggregate(), read(), count(), sum() and
resolveCursor() resolve it on copies of the caller's joins before
validation, so authorization, tenancy and cursor paging apply to the
resolved join exactly as to any other. Only the parent side is resolved:
appwrite's check matched the child side too, which holds a column and
already joins, so following it would break a join that works on 8.0.3.
Every other relationship type is still refused.

JoinInternalColumnsTest's refusal of on('books', '$id') becomes the
joined rows, the one behaviour the change is meant to alter.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
8.1.0 no longer behaves exactly as 8.0.3 in one respect: it runs joins
on the parent side of a one-to-many relationship that 8.0.3 refused, so
the changelog and upgrade guide say so and show how the condition is
resolved.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…written join

pages() checks a page's last row before yielding it, using the caller's raw
queries. find() rewrites on('orders', '$id') to on('$id', 'customer'), but
nextPageCheck() parsed the unrewritten join, so it took the condition for a
match on the joined $id, judged it at most one row and added no joined-$id
tie-break. find() does add it, so a read whose rows lack the joined $id
yielded its first page and only then threw OrderException on the second,
breaking cursor()'s promise that an unpageable read fails before any row.

nextPageCheck() now resolves one-to-many joins on the collection it already
loads, exactly as find() does. Queries without a parent-side one-to-many
join come back unchanged, so their check is as in 8.0.3.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
…are refused

The upgrade note claimed every relationship type other than a parent-side
one-to-many is refused, but the child side of a one-to-many, the parent side
of a many-to-one and others hold a column and join; only the virtual sides
are refused, exactly as in 8.0.3. The changelog line likewise implied they
all join.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
The parent-side one-to-many join now runs where 8.0.3 refused it, so it is
a behaviour change rather than an addition. The 8.1.0 changelog and upgrade
guide filed it as additive, which contradicted the PR body's Changed section
and hid the one default-on delta from readers scanning for changes. The
changelog also omitted that a Hook\Nested-assigned $id is judged new by the
grant check, which the upgrade guide and PR body already state.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
@abnegate
abnegate merged commit f1a8753 into main Oct 13, 2026
24 checks passed
@abnegate
abnegate deleted the feat/absorb-app-gaps branch October 13, 2026 07:56
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