Add missing database setup file

Author: simolus3

demos/supabase-todolist-drift/database.sql

@@ -0,0 +1,71 @@
+-- Create tables
+create table
+  public.lists (
+    id uuid not null default gen_random_uuid (),
+    created_at timestamp with time zone not null default now(),
+    name text not null,
+    owner_id uuid not null,
+    constraint lists_pkey primary key (id),
+    constraint lists_owner_id_fkey foreign key (owner_id) references auth.users (id) on delete cascade
+  ) tablespace pg_default;
+
+create table
+  public.todos (
+    id uuid not null default gen_random_uuid (),
+    created_at timestamp with time zone not null default now(),
+    completed_at timestamp with time zone null,
+    description text not null,
+    completed boolean not null default false,
+    created_by uuid null,
+    completed_by uuid null,
+    list_id uuid not null,
+    photo_id uuid null,
+    constraint todos_pkey primary key (id),
+    constraint todos_created_by_fkey foreign key (created_by) references auth.users (id) on delete set null,
+    constraint todos_completed_by_fkey foreign key (completed_by) references auth.users (id) on delete set null,
+    constraint todos_list_id_fkey foreign key (list_id) references lists (id) on delete cascade
+  ) tablespace pg_default;
+
+-- Create publication for powersync
+create publication powersync for table lists, todos;
+
+-- Set up Row Level Security (RLS)
+-- See https://supabase.com/docs/guides/auth/row-level-security for more details.
+alter table public.lists
+  enable row level security;
+
+alter table public.todos
+  enable row level security;
+
+create policy "owned lists" on public.lists for ALL using (
+  auth.uid() = owner_id
+);
+
+create policy "todos in owned lists" on public.todos for ALL using (
+  auth.uid() IN (
+    SELECT lists.owner_id FROM lists WHERE (lists.id = todos.list_id)
+  )
+);
+
+-- This trigger automatically creates some sample data when a user registers.
+-- See https://supabase.com/docs/guides/auth/managing-user-data#using-triggers for more details.
+create function public.handle_new_user_sample_data()
+returns trigger as $$
+declare
+  new_list_id uuid;
+begin
+  insert into public.lists (name, owner_id)
+    values ('Shopping list', new.id)
+    returning id into new_list_id;
+
+  insert into public.todos(description, list_id, created_by)
+    values ('Bread', new_list_id, new.id);
+
+  insert into public.todos(description, list_id, created_by)
+    values ('Apples', new_list_id, new.id);
+
+  return new;
+end;
+$$ language plpgsql security definer;
+
+create trigger new_user_sample_data after insert on auth.users for each row execute procedure public.handle_new_user_sample_data();