Visibility here is relational, not a column. Who may read a post depends on friendship and blocks, so the rule lives in a policy rather than in a WHERE clause.
Ada Okonjo
@ada
Writes about databases. Friend of the demo user.
Joined Jan 6, 2026
@ada
Writes about databases. Friend of the demo user.
Joined Jan 6, 2026
Visibility here is relational, not a column. Who may read a post depends on friendship and blocks, so the rule lives in a policy rather than in a WHERE clause.