EventsDB: enable fts conditionally based on DATABASE_URL

src/storages/EventsDB.ts

@@ -42,8 +42,17 @@ class EventsDB implements NStore {
   };
 
   constructor(private kysely: Kysely<DittoTables>) {
+    let fts: 'sqlite' | 'postgres' | undefined;
+
+    if (Conf.databaseUrl.protocol === 'sqlite:') {
+      fts = 'sqlite';
+    }
+    if (['postgres:', 'postgresql:'].includes(Conf.databaseUrl.protocol!)) {
+      fts = 'postgres';
+    }
+
     this.store = new NDatabase(kysely, {
-      fts5: Conf.databaseUrl.protocol === 'sqlite:',
+      fts,
       indexTags: EventsDB.indexTags,
       searchText: EventsDB.searchText,
     });