bcquality/microsoft/skills/review/al-query-review.md
Stefano Demiliani 861f53dd97
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Add query filter semantics guidance (#186)
2026-09-15 12:51:15 +02:00

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---
kind: action-skill
id: al-query-review
version: 1
title: AL Query review
description: Reviews AL Query objects and Query instance usage against BCQuality guidance.
inputs: [pr-diff, file-path, folder-path]
outputs: [findings-report]
bc-version: [all]
technologies: [al]
countries: [w1]
application-area: [all]
---
# AL Query review
Reviews AL source changes against the `query` knowledge domain in BCQuality. This is a leaf action skill composed by `al-code-review`.
## Source
Use READ's **Bounded retrieval for review skills** workflow with `-Domain query`. Consume every catalog page across enabled layers before applying this leaf's Relevance and Worklist; preserve each exact catalog path and open complete bodies only for exact paths selected by the Worklist. If the helper or prepared index is unavailable or invalid, use READ's explicit path-discovery and bounded native-read fallback.
## Relevance
Apply READ's frontmatter matching rules against the task context. Use the target version from `app.json` when available and `[al]` for technologies. Retain conditionally applicable files only when configured; cap resulting confidence at `medium` and name every unknown dimension in the finding message.
Return `not-applicable` when the input contains no Query object declaration and no Query variable method call.
## Worklist
Match relevant entries against changed `query` objects, variables typed as `Query`, and the tokens `QueryType`, `dataitem`, `column`, `DataItemLink`, `SqlJoinType`, `SetFilter`, `SetRange`, `Open`, `Read`, `Close`, and `Clear`.
The following targeted checks cover every current `query` article:
- A `DataItemTableFilter` and a runtime `SetFilter` or `SetRange` constrain the same source field incompatibly, while the runtime call is intended to replace or broaden the static filter — `dataitemtablefilter-cannot-be-overwritten-at-runtime`.
- `SetFilter` or `SetRange` occurs after `Open()` without a new `Open()` before the next `Read()` — `set-query-filters-before-open`.
- A runtime `SetFilter` or `SetRange` replaces a `ColumnFilter` on the same column or filter row, while later code relies on the declarative restriction remaining effective — `setfilter-overwrites-query-columnfilter`.
- An already-open query is opened again as if that advanced the cursor, or a query variable is reused for an independent operation without `Clear` even though old filters must not carry over — `reopening-query-resets-cursor-but-keeps-filters`.
Resolve layer conflicts per READ. When no query knowledge exists, emit `no-knowledge`; when knowledge exists but no article matches the changed Query usage, emit `completed` with no findings.
## Action
Evaluate every worklist article against the Query definition, the diff's call order, and surrounding control flow. For filter-precedence findings, require both the declarative filter and the runtime call to be visible, and require local evidence that replacement, broadening, or retention of the original filter is intended.
- Emit `major` for an unambiguous Anti Pattern that can close the dataset, restart processing, retain an unintended filter, produce an empty intersection, or admit rows excluded by an overwritten filter.
- Emit `minor` when code contradicts a Best Practice but the resulting behavior depends on unseen control flow.
- Do not emit applicability-only information. A Query article produces a finding only when the changed code violates its normative guidance.
Set confidence to `high` for a locally visible call sequence and `medium` when aliases, helper calls, or missing context obscure the sequence. Domain-scoped agent findings follow DO's precision bar and remain capped at `minor`/`medium`.
Provide `suggested-code` only when moving a filter before `Open()`, adding `Clear`, moving an invariant restriction to `DataItemTableFilter`, or composing the complete runtime filter is a complete, local, unambiguous replacement. Otherwise set `suggested-code-omission-reason`.
Outcome selection follows DO: `completed`, `no-knowledge`, `not-applicable`, `partial`, or `failed`.
## Output
Output conforms to the DO findings-report contract. Every finding this skill emits MUST set `findings[].domain` to `"Query"`.