feat: 数据结构说明文档

doc/supabase.sql

@@ -0,0 +1,52 @@
+-- 建表
+create table public.user_configs (
+  id bigint generated by default as identity not null,
+  created_at timestamp with time zone not null default now(),
+  data json null,
+  updated_at text null,
+  user_id uuid not null,
+  constraint user_configs_pkey primary key (id),
+  constraint user_configs_user_id_key unique (user_id)
+) TABLESPACE pg_default;
+
+-- 启用行级安全（RLS）
+alter table public.user_configs enable row level security;
+
+drop policy if exists "user_configs_select_own" on public.user_configs;
+drop policy if exists "user_configs_insert_own" on public.user_configs;
+drop policy if exists "user_configs_update_own" on public.user_configs;
+
+create policy "user_configs_select_own"
+on public.user_configs
+for select
+using (auth.uid() = user_id);
+
+create policy "user_configs_insert_own"
+on public.user_configs
+for insert
+with check (auth.uid() = user_id);
+
+create policy "user_configs_update_own"
+on public.user_configs
+for update
+using (auth.uid() = user_id)
+with check (auth.uid() = user_id);
+
+-- 增量更新函数
+create or replace function public.update_user_config_partial(payload jsonb)
+returns void
+language plpgsql
+security definer
+set search_path = public
+as
+$$
+begin
+update public.user_configs
+set data = ((coalesce(data::jsonb, '{}'::jsonb) || payload)::json),
+    updated_at = now()
+where user_id = auth.uid();
+end;
+$$;
+
+grant execute on function public.update_user_config_partial(jsonb) to authenticated;
+grant execute on function public.update_user_config_partial(jsonb) to service_role;