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Adds 55 articles (plus 76 code samples) spanning four new domains and two existing domains, extracted from the internal Business Central review-agent prompt. Content was filtered against BCQuality's remedial-knowledge premise: each article encodes BC-specific behaviour, a CodeCop rule, a platform API semantic, or an anti-false-positive guideline that a capable LLM would otherwise get wrong. New domains: - privacy (11 articles): DataClassification inheritance semantics, the StrSubstNo-defeats-Error-telemetry-classification pitfall, Privacy Notice consent for outgoing requests, anti-false-positives for pages and in-memory data. - upgrade (11 articles): upgrade-codeunit structure, upgrade-tag lifecycle and registration, protected DB reads, DataTransfer for large datasets, InitValue semantics, enum-ordinal preservation, obsolete-workflow, first-install detection. - ui (9 articles): caption capitalization by phrase type, tooltip voice, teaching-tip vs tooltip, tour-tip conventions, character limits, banned terms, ampersand handling, title punctuation. - style (11 articles): label-suffix convention, API page naming, temporary-variable prefix, label properties (Comment/Locked), named invocations, FieldCaption in user messages, OptionCaption pairing, Error-parameter passing, `this` keyword, required parentheses, file naming. Gaps in existing domains: - performance (11 articles): production-scale table catalog (no row counts, per internal-data concern), anti-false-positive for bounded tables, guard-before-Get ordering, redundant-Get-in-OnAfterGetRecord, LockTable in read-only helpers, combined ModifyAll passes, writes in OnAfterGetRecord, SetLoadFields heuristics, temporary-table regressions, FlowField source-table widening, MaintainSQLIndex disabling SIFT. - security (2 articles): environment-specific hardcoded GUIDs, ValidateTableRelation=false on user input. Intentionally excluded: specific production P95 row-count numbers (aggregated internal telemetry); rewritten as categorical guidance on which tables to treat as production-scale without publishing sizes. All articles use `bc-version: [all]` (applies to every BC version, per the new schema sentinel). Validator passes with 0 errors / 0 warnings.
26 lines
1.5 KiB
Markdown
26 lines
1.5 KiB
Markdown
---
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bc-version: [all]
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domain: upgrade
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keywords: [upgrade-codeunit, onupgradepercompany, onupgradeperdatabase, structure]
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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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# Call named methods from OnUpgrade triggers; keep the triggers empty of logic
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## Description
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An upgrade codeunit (`Subtype = Upgrade`) runs its triggers once per upgrade scope. Inlining upgrade logic inside the trigger body mixes the entry point with the work, makes individual steps untestable in isolation, and prevents the standard upgrade-tag guard pattern from being applied cleanly. The convention across Business Central's own upgrade codeunits is that `OnUpgradePerCompany` and `OnUpgradePerDatabase` are a list of calls to named local procedures, each implementing one step behind its own upgrade-tag check.
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## Best Practice
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Keep `OnUpgradePerCompany` and `OnUpgradePerDatabase` to a list of `UpgradeXxx();` statements. Put every data migration, default, or correction in a named local procedure whose first action is the upgrade-tag guard. Empty trigger bodies are also acceptable as placeholders on a new codeunit with no current steps.
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See sample: `call-methods-from-onupgrade-triggers-not-inline-code.good.al`.
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## Anti Pattern
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Writing `Customer.ModifyAll(...)`, `TableX.SetRange(...)` + loops, or `DataTransfer.CopyFields()` directly inside the trigger body. The step is untagged, untestable, and re-runs on every upgrade.
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See sample: `call-methods-from-onupgrade-triggers-not-inline-code.bad.al`.
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