- Added a `SECURITY DEFINER` function `get_is_admin(user_id)` to securely check admin status without triggering RLS recursively. - Updated all "Admins can ...
-- Fix infinite recursion: room_members policy was querying room_members again. -- Use a SECURITY DEFINER function so the membership check bypasses RLS. create or replace function ...
Abstract: The skyline query method in the wireless sensor network has been widely used in the field of environmental monitoring, the field is mostly related to the spatial distance. For the ...
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