better solution

src/defaultHandler.ts

@@ -315,7 +315,7 @@ export class Handler {
         },
         insert: (hander: Handler, q: insertQuery): QueryBuilder => {
             const qb = new QueryBuilder();
-            qb.addCode("INSERT INTO ");
+            qb.addCode("INSERT IGNORE INTO ");
             qb.addCode(q.attrs[0].table.serialize(hander));
             qb.addCode("(");
             qb.addCodeCommaSeperated(q.attrs.map(a => a.serialize(hander)));
@@ -604,13 +604,6 @@ export class Handler {
         },
     }
 
-    catcherrors = {
-        insert: (err: any) => {
-            if(err?.code == "ER_DUP_ENTRY") return {affectedRows: 0, insertId: -1};
-            throw err;
-        }
-    }
-
     responses = {
         readResponse: (resp: any) => new readResponse(resp),
         writeResponse: (resp: any) => new writeResponse(resp.affectedRows),

src/query.ts

@@ -138,12 +138,7 @@ export class insertQuery {
         const handler = db.getHandler();
         const builder = this.serialize(handler);
         const s = handler.builders.query(builder);
-        let readResp: any;
-        try {
-            readResp = await db.query(s, printQuery);
-        } catch (err) {
-            readResp = handler.catcherrors.insert(err);
-        }
+        let readResp = await db.query(s, printQuery);
         return handler.responses.insertResponse(readResp);
     }
 }