Trigger NOTIFY only on insert (not update)

src/db/migrations/050_notify_only_insert.ts

@@ -0,0 +1,21 @@
+import { Kysely, sql } from 'kysely';
+
+export async function up(db: Kysely<unknown>): Promise<void> {
+  await sql`DROP TRIGGER IF EXISTS nostr_event_trigger ON nostr_events`.execute(db);
+
+  await sql`
+    CREATE TRIGGER nostr_event_trigger
+    AFTER INSERT ON nostr_events
+    FOR EACH ROW EXECUTE FUNCTION notify_nostr_event()
+  `.execute(db);
+}
+
+export async function down(db: Kysely<unknown>): Promise<void> {
+  await sql`DROP TRIGGER IF EXISTS nostr_event_trigger ON nostr_events`.execute(db);
+
+  await sql`
+    CREATE TRIGGER nostr_event_trigger
+    AFTER INSERT OR UPDATE ON nostr_events
+    FOR EACH ROW EXECUTE FUNCTION notify_nostr_event()
+  `.execute(db);
+}