Fixing the uid Column isn't unique.

uid is required to be unique for the the Changed Events (with the new Data) to be inserted without creating new Rows.

src/component/event/events.ts

@@ -42,9 +42,9 @@ export class Event implements TEventEntity {
   deleteDate: TEventEntity["deleteDate"];
 
   static createTable (db: Database): void {
-    const query = db.query(`CREATE TABLE IF NOT EXISTS "events" (
-      "event_uid" INTEGER NOT NULL,
-      "uid" TEXT NOT NULL,
+    const query = db.query(`CREATE TABLE IF NOT EXISTS "events" 
+	    "event_uid" INTEGER PRIMARY KEY,
+      "uid" TEXT NOT NULL UNIQUE,
       "title" TEXT NOT NULL,
       "date_at" DATETIME NOT NULL,
       "time_start" TEXT NOT NULL,
@@ -56,10 +56,8 @@ export class Event implements TEventEntity {
       "description" TEXT NOT NULL,
       "timezone" TEXT NOT NULL,
       "notification" TEXT NOT NULL,
-      "deleteDate" INTEGER NULL,
-      PRIMARY KEY ("event_uid")
-    );
-    CREATE UNIQUE INDEX "sqlite_autoindex_events_1" ON "events" ("uid");`);
+      "deleteDate" INTEGER NULL
+    );`);
     query.run(); 
   }