full blown pg

migrations/20220725083125_listings.js

@@ -0,0 +1,23 @@
+exports.up = async knex => {
+    await knex.schema.createTable('listings', table => {
+        table.integer('id')
+            .primary();
+
+        table.uuid('want')
+        table.foreign('want')
+            .references('id')
+            .inTable('wants')
+            .onDelete('CASCADE');
+
+        table.integer('seller')
+            .notNullable()
+            .index();
+
+        table.jsonb('data')
+            .notNullable();
+
+        table.timestamps(true, true);
+    });
+};
+
+exports.down = async () => true;