chore: initial commit

schema/sql/warehouse/000001_init_warehouse.down.sql

@@ -0,0 +1,4 @@
+DROP TABLE IF EXISTS product_stock CASCADE;
+DROP TABLE IF EXISTS reservations CASCADE;
+DROP TABLE IF EXISTS reservation_items CASCADE;
+DROP TABLE IF EXISTS event_outbox CASCADE;

schema/sql/warehouse/000001_init_warehouse.up.sql

@@ -0,0 +1,30 @@
+CREATE TABLE product_stock (
+    product_id varchar(64) PRIMARY KEY,
+    quantity integer NOT NULL
+);
+
+CREATE TABLE reservations (
+    id bigserial PRIMARY KEY,
+    
+    order_id varchar(64) NOT NULL,
+
+    created_at timestamp NOT NULL DEFAULT timezone('utc', now())
+);
+
+CREATE TABLE reservation_items (
+    reservation_id bigserial,
+    product_id varchar(64),
+
+    quantity integer NOT NULL,
+
+    PRIMARY KEY (reservation_id, product_id),
+    FOREIGN KEY (reservation_id) REFERENCES reservations (id) ON DELETE CASCADE
+);
+
+CREATE TABLE event_outbox (
+    id bigserial PRIMARY KEY,
+
+    aggregateid varchar(128) NOT NULL,
+    aggregatetype varchar(128) NOT NULL,
+    payload bytea NOT NULL
+);