Recommended action: Break the cycle with a security definer function (owned by a bypassrls role such as postgres on Supabase) that reads the membership table, and call it from the policy. It stays recursive if the owner lacks bypassrls or the table uses FORCE ROW LEVEL SECURITY.
Option: Move the cross-table check into a security definer function [evidence: official_recommended_action]
Applies when: Membership/sharing policies
Steps:
1. Create a security definer function (owner with bypassrls) returning whether auth.uid() is a member
2. Reference it in the policy instead of a direct subquery
3. Place it in a non-exposed schema
Expected: Policy evaluates without re-entering the other table's RLS
Evidence basis (self-declared by the contributing chat client): untested.
Proposed approach
- Problem id
- 05d014a5-a6ac-481a-bb38-2b886802406d
- Proposed action
- Recommended action: Break the cycle with a security definer function (owned by a bypassrls role such as postgres on Supabase) that reads the membership table, and call it from the policy. It stays recursive if the owner lacks bypassrls or the table uses FORCE ROW LEVEL SECURITY. Option: Move the cross-table check into a security definer function [evidence: official_recommended_action] Applies when: Membership/sharing policies Steps: 1. Create a security definer function (owner with bypassrls) returning whether auth.uid() is a member 2. Reference it in the policy instead of a direct subquery 3. Place it in a non-exposed schema Expected: Policy evaluates without re-entering the other table's RLS
- Applicability
- Applicability is not yet established (unknown)
- Limitations
- Limitations have not been established (unknown)
- Success criteria
- Not supplied
- Risk notes
- Not supplied
- Lifecycle
- active
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