Joseph Doherty
f3cd685da5
Closes the §7.2 priority-3 item. Sql was a shipped, merged driver with NO
user-facing documentation at all -- only design and plan files, which describe
what was intended rather than what an operator needs to author one.
Sql.md covers: SQL Server as the only constructed provider (the other four
SqlProvider names are reserved, and authoring one fails rather than falling
back), the KeyValue / WideRow tag models with worked TagConfig, Query being
rejected end-to-end, the config table with real defaults read from
SqlDriverOptions, connectionStringRef never carrying credentials into an
artifact, per-source query grouping and its case-sensitive group keys, and the
value-bound-vs-identifier-validated split that makes it injection-safe.
Calculation.md covers: what a pseudo-driver is and why it occupies a driver slot,
a Calculation-vs-VirtualTags decision table (the two are easy to confuse), the
literal-only ctx.GetTag dependency extraction and the runtime-built-path trap,
the two deploy gates, the all-deps-arrived publish gate, and the Good->Bad-once
error semantics.
Two stale claims found by checking against source rather than inheriting them:
- The driver README's Calculation row still carried G-1 ("no typed config form,
RunTimeout unauthorable"), fixed on 2026-07-27 by CalculationDriverForm.
- docs/Raw.md's "one auto-created default Engine device" NEVER SHIPPED. I had
copied it into the new doc before checking; "Engine" has zero occurrences in
src/ and nothing special-cases Calculation at device creation. Corrected in
both files. The config key was also wrong in my first draft: runTimeoutMs, an
int in milliseconds, not a TimeSpan string -- and it is ignored on reinit
because the evaluator's timeout is constructor-fixed.
Full solution: 49 suites pass; the 2 failures are the known pre-existing
environment ones (AbLegacy.IntegrationTests docker fixture, Host.IntegrationTests).
OpcUaClient.IntegrationTests, which was silently failing, is now green.
Claude-Session: https://claude.ai/code/session_015p7wGqy3YpZNCpDzTpGMKo
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