Add index to products table for FTS

src/db/schema.ts

@@ -1,4 +1,12 @@
-import { integer, numeric, pgTable, serial, text } from "drizzle-orm/pg-core";
+import { sql } from "drizzle-orm";
+import {
+  index,
+  integer,
+  numeric,
+  pgTable,
+  serial,
+  text,
+} from "drizzle-orm/pg-core";
 import { relations } from "drizzle-orm";
 
 export const collections = pgTable("collections", {
@@ -30,15 +38,24 @@ export const subcategories = pgTable("subcategories", {
     .references(() => subcollection.id, { onDelete: "cascade" }),
 });
 
-export const products = pgTable("products", {
-  slug: text("slug").notNull().primaryKey(),
-  name: text("name").notNull(),
-  description: text("description").notNull(),
-  price: numeric("price").notNull(),
-  subcategory_slug: text("subcategory_slug")
-    .notNull()
-    .references(() => subcategories.slug, { onDelete: "cascade" }),
-});
+export const products = pgTable(
+  "products",
+  {
+    slug: text("slug").notNull().primaryKey(),
+    name: text("name").notNull(),
+    description: text("description").notNull(),
+    price: numeric("price").notNull(),
+    subcategory_slug: text("subcategory_slug")
+      .notNull()
+      .references(() => subcategories.slug, { onDelete: "cascade" }),
+  },
+  (table) => ({
+    nameSearchIndex: index("name_search_index").using(
+      "gin",
+      sql`to_tsvector('english', ${table.name})`,
+    ),
+  }),
+);
 
 export const collectionsRelations = relations(collections, ({ many }) => ({
   categories: many(categories),