Add a created_at, kind index for the global feed

src/db/migrations/011_kind_author_index.ts

@@ -4,7 +4,7 @@ export async function up(db: Kysely<any>): Promise<void> {
   await db.schema
     .createIndex('idx_events_kind_pubkey_created_at')
     .on('events')
-    .columns(['kind', 'pubkey', 'created_at'])
+    .columns(['kind', 'pubkey', 'created_at desc'])
     .execute();
 }
 

src/db/migrations/018_events_created_at_kind_index.ts

@@ -0,0 +1,14 @@
+import { Kysely } from 'kysely';
+
+export async function up(db: Kysely<any>): Promise<void> {
+  await db.schema
+    .createIndex('idx_events_created_at_kind')
+    .on('events')
+    .columns(['created_at desc', 'kind'])
+    .ifNotExists()
+    .execute();
+}
+
+export async function down(db: Kysely<any>): Promise<void> {
+  await db.schema.dropIndex('idx_events_created_at_kind').ifExists().execute();
+}