9 min readUpdated September 22, 2026
Row Level Security explained
What Row Level Security is, why it is on by default in hosted databases, how a policy is evaluated, and the mistakes that make tables silently empty or dangerously open.
Keys, secrets, access rules and the mistakes that show up most often in generated code.
What Row Level Security is, why it is on by default in hosted databases, how a policy is evaluated, and the mistakes that make tables silently empty or dangerously open.
A practical method for moving secret-using code to the server, checking what actually shipped to the browser, and proving a key is no longer exposed.
The handful of issues that show up repeatedly in generated code — what each one looks like, why it happens, and the check that catches it.
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