Replace comments with PostgreSQL

server/db/schema/comments.sql

@@ -1,11 +1,24 @@
-CREATE TYPE adjustment AS ENUM ('none', 'total', 'rate_flat', 'rate_percent', 'paid');
-
-CREATE TABLE comments (
-    id INT PRIMARY KEY UNIQUE NOT NULL DEFAULT nextval('comment_id_seq'),
-    user_id INT REFERENCES users(id) NOT NULL,
-    invoice_id INT REFERENCES invoices(id) NOT NULL,
-    datetime TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP,
-    comment TEXT NOT NULL,
-    adjustment_type adjustment DEFAULT 'none',
-    adjustment_value NUMERIC DEFAULT 0
-);
+CREATE TABLE IF NOT EXISTS public.comments
+(
+    id integer NOT NULL GENERATED ALWAYS AS IDENTITY ( INCREMENT 1 START 1 MINVALUE 1 MAXVALUE 2147483647 CACHE 1 ),
+    user_id integer NOT NULL,
+    booking_id integer,
+    invoice_id integer NOT NULL,
+    datetime timestamp with time zone NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    comment text COLLATE pg_catalog."default" NOT NULL,
+    adjustment_type adjustment NOT NULL DEFAULT 'none'::adjustment,
+    adjustment_value numeric NOT NULL DEFAULT 0,
+    CONSTRAINT comment_pkey PRIMARY KEY (id),
+    CONSTRAINT booking_id FOREIGN KEY (booking_id)
+        REFERENCES public.bookings (id) MATCH SIMPLE
+        ON UPDATE NO ACTION
+        ON DELETE NO ACTION,
+    CONSTRAINT invoice_id FOREIGN KEY (invoice_id)
+        REFERENCES public.invoices (id) MATCH SIMPLE
+        ON UPDATE NO ACTION
+        ON DELETE NO ACTION,
+    CONSTRAINT user_id FOREIGN KEY (user_id)
+        REFERENCES public.users (id) MATCH SIMPLE
+        ON UPDATE NO ACTION
+        ON DELETE NO ACTION
+);