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a28ba1a1d7
- dimension-management-wiring.md/.good.al: split into the two distinct
models the article was conflating - master data (Default Dimension
records via ValidateDimValueCode/SaveDefaultDim) vs. transactional/
document data (a single Dimension Set ID assembled via AddDimSource +
GetDefaultDimID, verified against BCApps' ExchRateAdjmtProcess.Codeunit.al).
Added a compiling document-table example alongside the existing master
table one.
- Deleted api-page-flowfields-must-be-calcfields (.md/.good.al/.bad.al):
Microsoft's own FlowFields documentation states a FlowField used as a
control's direct source expression is automatically calculated on any
page - no API-page exception is documented, and none could be
reproduced.
- prefer-email-module.bad.al/.md: Codeunit Mail has no Send/GetErrorDesc
members; fixed to the real current 7-argument CreateMessage signature,
and corrected the claim that the legacy path "still runs" - its base
implementation no longer sends anything, only raises integration events.
- check-post-line-batch-pattern.md/.good.al: reframed from a universal
invariant to the standard shape, naming the real Gen./Item/CA/Res./Job/
Insurance/Mfg. Item/FA Jnl.-Check Line/-Post Line/-Post Batch codeunits
it's based on. Added the missing Check Line companion codeunit so the
good fixture is internally complete.
- test-data-must-be-random-and-complete.good.al: removed leftover
"collision-free" wording contradicting the already-corrected article text.
- fixed-choice-set-must-use-enum-not-integer.md: removed the reintroduced
state-count heuristic ("the line is the state count"), aligned with
binary-choice-must-be-boolean.md's semantics-based distinction.
- namespace-must-be-verified-from-source.md: removed the false claim that
the compiler and AL Language Server use different namespace-resolution
rules.
- intrinsic-al-functions-must-use-modern-casing.md: removed the unverified
claim that PascalCase is the VS Code formatter's default output.
Worklist completeness: added cues for the 8 rules in data-modeling,
testing, performance, and web-services that had none (Jesper's explicit
ask), plus the same gap in all 7 style rules from this PR (not explicitly
named this round, but the identical systemic issue) - 15 cues total across
al-data-modeling-review.md, al-testing-review.md, al-performance-review.md,
al-web-services-review.md, and al-style-review.md.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
28 lines
1.9 KiB
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28 lines
1.9 KiB
Markdown
---
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bc-version: [all]
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domain: style
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keywords: [namespace, verification, source-of-truth, using-statement]
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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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# Resolve a namespace from the referenced object's source or symbols, never by guessing
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> Contributions welcome — open a PR to refine or extend this article.
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## Description
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Since Business Central 2024 release wave 1, Microsoft's own objects are organized under a deep `Microsoft.*` namespace tree that has been renamed and restructured repeatedly. When adding a `using` directive for an existing AL object (table, codeunit, page, enum, interface, etc.), guessing its namespace from the object's name, from an older codebase, or from general familiarity produces a statement that can look plausible and still resolve to the wrong object, or fail to resolve at all, once checked against the object's actual current namespace. The reliable sources are the object's own source file (its `namespace` declaration) or, for a dependency without accessible source, its AL symbol package — not the object's name or a remembered convention.
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## Best Practice
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When referencing an existing AL object, resolve its namespace from that object's actual source file or symbol definition — never infer or invent one from its name, functional area, or naming convention.
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See sample: `namespace-must-be-verified-from-source.good.al`.
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## Anti Pattern
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Writing a `using` statement from memory, from an incomplete path, or from a plausible-looking guess. It can appear correct while actually resolving to the wrong object, or fail to resolve, once checked against stale or mismatched symbols, a different build configuration, or the object's actual current source — not because the compiler and the AL Language Server apply different namespace-resolution rules; they don't.
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See sample: `namespace-must-be-verified-from-source.bad.al`.
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