docs(nosql): document LOG/LOG10 zero-argument limitation (#310)#3149
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LOG(0)/LOG10(0) (and negative args) evaluate to -Infinity, which is not valid JSON; Azure Cosmos DB rejects the result with HTTP 400 error 4001 on both production and the emulator. This is data-dependent, so no static diagnostic is emitted - documented in hover docs instead, with a guard workaround. Reclassified M-07/M-13 fixtures from emulator-only to a Cosmos DB language limitation.
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sevoku
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Referenced the wrong issue in PR description?
# Conflicts: # packages/nosql-language-service/docs/test-suite.md
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Code Coverage OverviewLanguages: TypeScript TypeScript / code-coverage/vitestThe overall coverage remains at 81%, unchanged from the branch. Code Coverage is in Public Preview. Learn more and provide us with your feedback. |
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Summary
Documents the
LOG()/LOG10()zero-argument behaviour reported in #310.LOG(0),LOG10(0)(and any negative argument) evaluate to-Infinity, which cannot be represented in JSON (RFC 8259). Azure Cosmos DB therefore rejects the result with HTTP 400, error code 4001 — confirmed on both production and the emulator.Why no diagnostic?
This is data-dependent: a query like
SELECT LOG(c.value) FROM cis perfectly valid and only fails for rows wherec.value <= 0. A static diagnostic would fire on everyLOG(...)call and produce false positives, so we document the behaviour instead.Changes
src/docs/index.ts): added a warning toLOGandLOG10explaining the-Infinity-> 4001 behaviour and a guard workaround (WHERE c.value > 0orc.value > 0 ? LOG(c.value) : null).select-functions.ts): reclassifiedM-07/M-13knownLimitationfrom emulator-only to a Cosmos DB language limitation.M-07/M-13into a new Cosmos DB language limitations (not emulator-specific) section.Closes No 'Open' action displays for a graph/document #310