Weird behavior with QSqlRelationalTableModel & setFilter

I have a weird problem with QSqlRelationalTableModel.
In Constructor my model&view initialize with this source:

Code:

---

// Create db model
    model = new QSqlRelationalTableModel(ui->viewTableReport);
    model->setTable("reports");
 
    // Set headerData
    model->setHeaderData(model->fieldIndex("customer_id"), Qt::Horizontal, tr("Name"));
    model->setHeaderData(model->fieldIndex("tottal"), Qt::Horizontal, tr("Tottal"));
    model->setHeaderData(model->fieldIndex("created"), Qt::Horizontal, tr("Created"));
 
    // Set Relations to the other database tabels
    model->setRelation(model->fieldIndex("customer_id"), QSqlRelation("customers", "id", "name"));
 
    // Set edit strategy
    model->setEditStrategy(QSqlRelationalTableModel::OnFieldChange);
 
    // Populate the model
    /*
    * Problem is here, on setFilter
    */
    //model->setFilter("hidden=FALSE");
    model->select();
 
    // Set the model and hide the ID column
    ui->viewTableReport->setModel(model);
 
    // Customize data view
    ui->viewTableReport->setColumnHidden(model->fieldIndex("id"), true);
    ui->viewTableReport->setColumnHidden(model->fieldIndex("hidden"), true);

---

When i uncomment setFilter the QTableView shown nothing,it mean empty
Of course i have a lot record with "hidden=FALSE"
But weird section is here:

When i comment model->setRelation() everythings going be fine :0
I mean when i unset relations with other tables it's working pretty and those record with "hidden=FASE" clause just shown!
And i have couple of model, but those working sweet with relational, even with "customers" table.

Any idea for this situation?

Thank you!

*Update:

After posting this thread i found duplicate thread, i don't know it's i can solved with that solution.
It's my bad to posting duplicate.
but shoulda check is working or not.