refactor: remove author_search table, put search in author_stats

src/db/migrations/034_move_author_search_to_author_stats.ts

@@ -0,0 +1,32 @@
+import { Kysely, sql } from 'kysely';
+
+export async function up(db: Kysely<any>): Promise<void> {
+  await db.schema
+    .alterTable('author_stats')
+    .addColumn('search', 'text', (col) => col.notNull().defaultTo(''))
+    .execute();
+
+  await sql`CREATE INDEX author_stats_search_idx ON author_stats USING GIN (search gin_trgm_ops)`.execute(db);
+
+  await db.insertInto('author_stats')
+    .columns(['pubkey', 'search'])
+    .expression(
+      db.selectFrom('author_search')
+        .select(['pubkey', 'search']),
+    )
+    .onConflict((oc) =>
+      oc.column('pubkey')
+        .doUpdateSet((eb) => ({
+          search: eb.ref('excluded.search'),
+        }))
+    )
+    .execute();
+
+  await db.schema.dropIndex('author_search_search_idx').ifExists().execute();
+  await db.schema.dropTable('author_search').execute();
+}
+
+export async function down(db: Kysely<any>): Promise<void> {
+  await db.schema.dropIndex('author_stats_search_idx').ifExists().execute();
+  await db.schema.alterTable('author_stats').dropColumn('search').execute();
+}