Refresh README for the googlesqlite backend and add a feature matrix#461
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Reflect the switch to the googlesqlite SQL backend and document, in one place, what the emulator actually supports today. - Add docs/feature-support.md: a MECE (mutually exclusive, collectively exhaustive) BigQuery feature support matrix, organized after the official BigQuery documentation and REST API reference. It covers the full REST surface, job types, table types, ingestion/export formats, the GoogleSQL surface, security, BigQuery ML, the Storage API, integrations and emulator-specific features. - Slim the README Status section down to a short overview that links to that matrix, instead of scattering partial caveats across the README. - Add a Sponsorship section adapted from the googlesqlite project, rewritten from the bigquery-emulator project's perspective, and split the former "Goals and Sponsors" heading into "Goals" and "Sponsorship". - Rename the "Google Standard SQL" section to "GoogleSQL" (its current name) and update the function coverage to googlesqlite v0.1.0's spec-driven support matrix instead of the stale "200+ functions". - Note the multi-client conformance suite under test/e2e. - Replace the cgo-only go-sqlite3 reference in the type conversion description with the generic SQLite driver wording. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The build/test and release workflows pinned Go 1.21.5, while go.mod now declares go 1.25.0. Replace the hardcoded go-version with go-version-file: go.mod so CI tracks the module's Go version automatically, matching what the integration workflow already does. Also bump actions/setup-go to v5 (v2/v4 predate go-version-file). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The SQL backend is now pure Go and the build no longer links native code (see #448), so the mold linker is no longer needed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
The test job ran setup-go before checkout. That worked while the Go version was hardcoded, but go-version-file: go.mod needs go.mod to be present, so checkout must run first. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Refreshes the README for the
googlesqliteSQL backend (introduced in #448) and replaces the scattered status caveats with a single, MECE feature-support matrix.Changes
docs/feature-support.md(new) — a MECE (mutually exclusive, collectively exhaustive) BigQuery feature support matrix, organized after the official BigQuery documentation and REST API reference. It covers the full REST surface, job types, table types, ingestion/export formats, the GoogleSQL surface, security & governance, BigQuery ML, the Storage API, integrations and emulator-specific features. Support status was determined by auditing the actual handler code.goccy/googlesqliteproject and rewritten from thebigquery-emulatorproject's perspective; the former "Goals and Sponsors" heading is split into "Goals" and "Sponsorship".Google Standard SQL→GoogleSQL— renamed to the section's current name, and the function coverage now reflectsgooglesqlitev0.1.0's spec-driven support matrix (~570 built-in functions) instead of the stale "200+ functions".test/e2e.go-sqlite3reference in the type-conversion description with generic SQLite-driver wording.Notes
JavaScript UDFis kept as supported:googlesqliteembeds the pure-Gogojaengine (transitive dependency viagooglesqlite v0.1.0).INFORMATION_SCHEMAis marked partially supported:googlesqliteimplements theSCHEMATA,TABLES,TABLE_OPTIONSandCOLUMNSviews.Docs-only change — no code is modified.
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