doctrine-fetch-modes SKILL.md skillA
doctrine-fetch-modes from dev-toolings/superpowers-symfony is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add dev-toolings/superpowers-symfony/doctrine-fetch-modes@git:20261005.52834daPins git:20261005.52834da in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- dev-toolings/superpowers-symfony
- Path
content/skills/doctrine-fetch-modes/SKILL.md- Versions recorded
- 4
- Latest version
- git:20261005.52834da, committed Oct 5, 2026
- First version recorded
- Sep 17, 2026
- Size
- 2,240 bytes
- Repository stars
- 231
- License
- MIT
Optimize Doctrine fetching with DTO hydration (SELECT NEW), fetch joins, lazy loading, query hints, and DBAL 4 access.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Doctrine Fetch Modes (Symfony)
## Use when
- A list or detail endpoint runs one query per row (N+1) on a relation.
- A read-only list needs a few columns, not full managed entities.
- Choosing `LAZY`, `EAGER` or `EXTRA_LAZY` on a mapping, or porting ORM 2 code that relied on `PARTIAL` objects.
- A report or projection query drops to raw SQL through DBAL 4.
## Default workflow
1. Confirm the N+1 or over-fetch in the Symfony profiler before changing any mapping.
2. Keep relations on `fetch: 'LAZY'`; set `fetch: 'EXTRA_LAZY'` on large collections so `count()`, `contains()` and `slice()` run targeted SQL.
3. Load the relations a use case needs with a fetch join in the repository (`addSelect()` plus `leftJoin()`).
4. For read-only lists, project into a `readonly` DTO with `SELECT NEW` (constructor argument order must match the `NEW` list).
5. Use `Query::HINT_READ_ONLY` or an index-by alias (`createQueryBuilder('p', 'p.id')`) when the result is only displayed or looked up by id.
6. For raw SQL, use the DBAL 4 methods (`fetchAllAssociative()`, `fetchOne()`, `executeStatement()`).
## Guardrails
…Read the whole file at its exact version.
How to install
mdr add dev-toolings/superpowers-symfony/doctrine-fetch-modes@sha256:f5696fc8a4645c71The line at the top of this page pins the label git:20261005.52834da, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_q3sedftsrgol5stg)
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Versions
The registry has recorded 4 versions of this file, between Sep 17, 2026 and Oct 5, 2026, about one every 6 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20261005.52834da latest | 2026-10-05 | 52834da | 2,240 B | A | view · diff |
| git:20261005.d9aebf3 | 2026-10-05 | d9aebf3 | 2,291 B | A | view · diff |
| git:20261005.042befb | 2026-10-05 | 042befb | 1,209 B | A | view · diff |
| git:20260917.3d83f4c | 2026-09-17 | 3d83f4c | 1,238 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (2240 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
dev-toolings/superpowers-symfony · 231 stars · license MIT · pushed 2026-10-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_q3sedftsrgol5stg GET https://markdownregistry.com/api/v1/resolve?ref=dev-toolings/superpowers-symfony/doctrine-fetch-modes GET https://markdownregistry.com/api/v1/blob/f5696fc8a4645c71084ddaeebefb5664db50fe3738fa4a1000c8a1707d1c8b30
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