adding term examples table

packages/db/src/db/schema.ts

@@ -63,6 +63,31 @@ export const term_glosses = pgTable(
   ],
 );
 
+export const term_examples = pgTable(
+  "term_examples",
+  {
+    id: uuid().primaryKey().defaultRandom(),
+    term_id: uuid()
+      .notNull()
+      .references(() => terms.id, { onDelete: "cascade" }),
+    language_code: varchar({ length: 10 }).notNull(),
+    text: text().notNull(),
+    created_at: timestamp({ withTimezone: true }).defaultNow().notNull(),
+  },
+  (table) => [
+    unique("unique_term_example").on(
+      table.term_id,
+      table.language_code,
+      table.text,
+    ),
+    check(
+      "language_code_check",
+      sql`${table.language_code} IN (${sql.raw(SUPPORTED_LANGUAGE_CODES.map((l) => `'${l}'`).join(", "))})`,
+    ),
+    index("idx_term_examples_term_id").on(table.term_id, table.language_code),
+  ],
+);
+
 export const translations = pgTable(
   "translations",
   {