TLDR Tech / Dev
I shipped a transaction bug, so I built a linter
A developer created the custom static analysis linter "transactioncheck" using Go's `go/analysis` framework to resolve subtle database transaction bugs that caused data corruption and race conditions often missed by reviews and tests. This linter works by traversing the Abstract Syntax Tree to verify that all database operations correctly use the transaction-scoped parameter, efficiently catching existing violations and preventing future bugs at compile time by running in CI.
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