fix(analytics): fall back to aggregate strategy when the driver can't run SQL#1701
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… run SQL Every dataset query on an in-memory-driver environment returned rows:[] with HTTP 200 and the compiled SQL attached — dashboards read "No rows" forever while looking healthy (live staging incident: even COUNT(*) FROM sys_user and queries against nonexistent tables came back empty). Root cause chain: InMemoryDriver.execute() returns null for raw SQL; the analytics plugin's auto-bridge mapped null to [] silently; and the default queryCapabilities unconditionally advertise nativeSql, so NativeSQLStrategy was always selected even on drivers that cannot execute SQL. Fix at both layers: - the raw-SQL bridge now throws a TYPED error (code RAW_SQL_UNSUPPORTED) when the engine returns null/undefined — an empty result is never fabricated; - AnalyticsService.query treats that error as a runtime capability miss and falls back to the next capable strategy (ObjectQLStrategy over the aggregate bridge — the in-memory driver implements aggregate()), skipping the proven-incapable one. Any other error propagates untouched, and when no fallback exists the failure is loud and names the skipped strategies. service-analytics: 109 tests green (3 new covering fallback, error passthrough, and the no-fallback loud failure). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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This was referenced Jun 11, 2026
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The bug (live on staging)
Every dataset query on staging tenant environments returned
rows: []with HTTP 200 and the compiled SQL attached — all dashboards read "No rows" forever while looking healthy. EvenCOUNT(*) FROM sys_userand queries against nonexistent tables came back empty (the discriminating probe).Root cause chain
execute()logs a warning and returnsnullfor raw SQL (memory-driver.ts:250).null→[].queryCapabilitiesunconditionally advertisenativeSql: true(the bridge closure always exists), soNativeSQLStrategywas selected on a driver that cannot execute SQL — compiled SQL attached, never executed.Fix (both layers)
null/undefinedfromengine.executenow throws a typedRAW_SQL_UNSUPPORTEDerror — an empty result is never fabricated.AnalyticsService.querytreats that error as a runtime capability miss and falls back to the next capable strategy —ObjectQLStrategyover the aggregate bridge (the in-memory driver implementsaggregate()), so memory-backed environments now return real numbers. Any other error propagates untouched; with no fallback available the failure is loud and names the skipped strategies.Test
service-analytics 109 green — 3 new: fallback returns the aggregate rows; non-typed errors propagate without fallback masking; no-fallback case fails loudly (never silent
[]).Staging validation follows via the cloud
.framework-shabump.🤖 Generated with Claude Code