mirror of
https://github.com/microsoft/BCQuality.git
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a9f3c50863
The previous LLM-generated knowledge files contained factual
hallucinations. The most visible was the claim that `FindFirst` /
`FindLast` "forces a full-table scan" on an unfiltered record - it does
not; those APIs return a single row via the current key.
Other inaccuracies the audit found and fixed:
* `FindSet(true)` was described as "taking a LockTable". The correct
upstream phrasing is that `FindSet(true)` sets
`ReadIsolation::UpdLock` on the read. UpdLock and LockTable are
related but distinct mechanisms.
* The list of production-scale tables had been invented beyond the
upstream source (e.g. "Detailed Cust. Ledg. Entry") without a
citation. The regenerated list matches the ten tables upstream lists
with their P95 row counts.
* `SetLoadFields` guidance had been augmented with an extra mechanism
claim ("the database resolves the filter using the index without
hydrating the value") not present in upstream.
Approach: full regeneration of `microsoft/knowledge/` from the six
upstream BCApps Code Review instruction files, with Microsoft Learn /
the AL language reference as a secondary source. Every claim in every
regenerated file is anchored to a verbatim upstream quote (or a Learn
URL); the audit trail lives in artifacts/trace-<domain>.json on the
session workspace.
The PR #11 transaction/error-handling cluster is preserved verbatim:
* performance/understand-implicit-transaction-boundary.md
* performance/codeunit-run-as-atomic-sub-operation.{md,good.al,bad.al}
* performance/codeunit-run-requires-prior-commit-inside-transaction.{md,good.al,bad.al}
* performance/use-tryfunction-for-error-catching-not-rollback.{md,good.al,bad.al}
* performance/avoid-commit-inside-loops.{md,good.al,bad.al}
* security/commitbehavior-attribute-scopes-explicit-commits.{md,good.al,bad.al}
* testing/transactionmodel-attribute-governs-test-transactions.{md,good.al,bad.al}
These articles already cite Microsoft Learn and were carefully
cross-referenced; the regeneration skips their topics rather than
duplicating them.
File counts after regeneration:
performance 35 .md (5 preserved + 30 new)
privacy 17 .md
security 18 .md (1 preserved + 17 new)
style 33 .md
testing 1 .md (preserved)
ui 19 .md
upgrade 18 .md
Total 141 atomic knowledge files, each strictly one rule. All pass
.github/scripts/validate_frontmatter.py with 0 errors and 0 warnings.
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
28 lines
1.7 KiB
Markdown
28 lines
1.7 KiB
Markdown
---
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bc-version: [all]
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domain: style
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keywords: [caption, page-field, aa0225, aa0226, codecop, captionclass]
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technologies: [al]
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countries: [w1]
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application-area: [all]
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---
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# Every page field needs a `Caption` (CodeCop AA0225/AA0226)
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## Description
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CodeCop AA0225 and AA0226 require every field control to expose a `Caption` property, separately from the field's source name. The caption is what the user sees as the column header or label; the source name is what the code uses to reference the field. Without an explicit `Caption`, AL falls back to the source field's caption — which may be wrong for the page's context — or to the field name itself in code casing, which surfaces internal naming to users and to translators.
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Acceptable exceptions: a field whose caption is inherited via `CaptionClass = '3,5,' + CurrencyCode` (or another CaptionClass formula) does not need a literal `Caption`; the formula provides it. API pages and test pages may omit captions because their consumers are not human users. Boolean fields whose name already reads as a sentence — `Enabled`, `Posted`, `Released` — do not need a redundant Caption that repeats the name.
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## Best Practice
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`Caption = 'Customer No.';` paired with `ToolTip = 'Specifies …';`. Captions are short, noun-phrase, title-case for primary labels; sentence-case is allowed for descriptive labels that read as a sentence fragment.
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See sample: `caption-required-on-page-fields.good.al`.
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## Anti Pattern
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A field control with no `Caption` and no `CaptionClass`, or `Caption = '';`. The user sees the internal identifier as the column header and the translation pipeline has nothing to translate.
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See sample: `caption-required-on-page-fields.bad.al`.
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