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fix: silence plpgsql_check false positives in list/search functions - #1485
TylerHillery wants to merge 1 commit into
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🟡 Changes recommended
The lint script unconditionally removes a potentially pre-existing plpgsql_check extension.
Review effort: Balanced
Findings: 1
What changed in this PR
Adds plpgsql_check type pragmas to suppress false positives and introduces migration linting in CI.
Changes:
- Adds type hints for dynamic
v_currentrecords. - Registers migration 0074.
- Adds a migration lint script and CI job.
| File | Description |
|---|---|
migrations/tenant/0074-pragma-dynamic-record-types.sql |
Recreates affected functions with type pragmas. |
src/internal/database/migrations/types.ts |
Registers migration 0074. |
src/scripts/lint-migrations.ts |
Runs plpgsql_check against migrated functions. |
package.json |
Adds the migration lint command. |
.github/workflows/ci.yml |
Runs migration linting in CI. |
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Coverage Report for CI Build 37639103658Coverage remained the same at 84.939%Details
Uncovered ChangesNo uncovered changes found. Coverage RegressionsNo coverage regressions found. Coverage Stats
💛 - Coveralls |
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You can view this diff here to see what's changed more easily: https://github.com/supabase/storage/compare/tyler/fix/storage-db-lint-before..tyler/fix/storage-db-lint
a669cd3 to
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I reviewed this PR and didn't find any bugs. Because it recreates the two core storage listing/search functions (~600 lines each) and adds a new CI job that provisions a Postgres container and installs an extension, a human look would still be worthwhile.
What was reviewed: compared the new migration 0074 line-by-line against the prior definitions in 0070 — confirmed the storage.list_objects_with_delimiter and storage.search bodies are byte-identical except for the added PERFORM 'PRAGMA:TYPE:v_current (...)' hint lines; verified the PRAGMA column list/order matches each function's dynamic-SQL SELECT list exactly (so the hint is accurate, not just silencing); checked the new lint-migrations.ts script and ci.yml job wiring (migration registration in types.ts, migration:lint npm script, CI job sequencing) — all consistent and non-interactive with no untrusted input.
Extended reasoning...
The diff touches CI config (.github/workflows/ci.yml, a new lint-migrations.ts script) and a tenant SQL migration that re-creates storage.list_objects_with_delimiter and storage.search, adding a static PRAGMA type-hint comment for plpgsql_check; no auth/crypto/permissions or injection surface is touched (the lint script runs only static, parameterless SQL against an ephemeral CI database). I manually diffed the new migration against the prior function definitions to confirm the bodies are unchanged and the PRAGMA column order matches the dynamic-SQL SELECT lists, which gives reasonable confidence, but the size and production blast radius of these listing functions (used for all tenant object listings) still warrants a human glance.
This review covers commit a669cd3, which is no longer the latest commit on this pull request; later commits are not covered by it.
| await client.end() | ||
| } | ||
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| const failures = rows.filter((row) => FAILING_LEVELS.includes(row.level)) |
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it seems cli is using prefix match and fails on extra rules as well
| const CHECK_SQL = ` | ||
| SELECT p.oid::regprocedure::text AS function, r.lineno, r.level, r.sqlstate, r.message, r.detail | ||
| FROM pg_catalog.pg_proc p | ||
| JOIN pg_catalog.pg_namespace n ON n.oid = p.pronamespace | ||
| JOIN pg_catalog.pg_language l ON l.oid = p.prolang | ||
| CROSS JOIN LATERAL plpgsql_check_function_tb( | ||
| p.oid, | ||
| COALESCE((SELECT t.tgrelid FROM pg_catalog.pg_trigger t WHERE t.tgfoid = p.oid LIMIT 1), 0) | ||
| ) r | ||
| WHERE l.lanname = 'plpgsql' | ||
| AND n.nspname = 'storage' | ||
| AND (p.prorettype <> 'trigger'::regtype OR EXISTS (SELECT 1 FROM pg_catalog.pg_trigger t WHERE t.tgfoid = p.oid)) | ||
| ORDER BY 1, 2 |
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seems like cli is ignoring functions return trigger
is it better to update cli or align with it?
| - name: Start Postgres with plpgsql_check | ||
| run: | | ||
| docker run -d --name plpgsql_check_db -p 5432:5432 -e POSTGRES_PASSWORD=postgres postgres:17 | ||
| docker exec plpgsql_check_db bash -c \ | ||
| 'apt-get update -qq && apt-get install -y -qq postgresql-17-plpgsql-check' | ||
| until docker exec plpgsql_check_db pg_isready -h 127.0.0.1 -U postgres; do sleep 1; done |
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is it better to test supabase/postgres image?
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another related question is that I think different version of major pg version doesn't matter but extension version might matter so do we need to test multiple versions of the skipped extension?
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| lint_migrations: | ||
| name: Lint / Migrations (plpgsql_check) | ||
| needs: lint_build |
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nit: this isn't on the critical path and lint_build is cheap but not necessarily need to wait for
What kind of change does this PR introduce?
fixes #1468
What is the current behavior?
supabase db lintwhich uses plpgsql_check was reporting the following errorsThis was due to the fact that
v_currentrecord shape was determined at runtime.What is the new behavior?
Added a pragma as a type hint for plpgsql_check.
Additional context
I also added step in CI and a script to run these lints to ensure we don't add migrations in the future the violate plpgsql_check so they don't show up in
supabase db lint