Humm! Don't see a huge need to open a bug for that. Indeed, I have fixed the
problem with the following implementation:

qx.Class.define('myapp.system.CostumerRemoteTable', {
  extend: qx.ui.table.model.Remote,
  construct: function() {
    this.base(arguments);
    this.setColumns(
      ['ID','Nome','CNPJ/CPF','Codigo','Cidade','Fone','Status'], 
      ['id_costumer','nome_costumer','cnpj_cpf_costumer','codigo_costumer',
        'cidade_costumer','tel_costumer','status_costumer']
    );
  },
  destruct: function() {
    this._disposeObjects('this');
  },
  members : {
    _loadRowCount : function() {
      this.__req1 = new qx.io.request.Xhr('/services/index.php', 'POST');
      this.__req1.setRequestData({
        'class' : 'Costumer',
        'method' : 'getCostumersCount',
        'args' : '{}'
      });
      this.__req1.addListener('success', this._onRowCountCompleted, this);
      this.__req1.send();
    },
    
    _onRowCountCompleted : function(response) {
      this.__response1 = response.getTarget().getResponse();
      if (this.__response1.status) {
        this._onRowCountLoaded(this.__response1.count);
      }
    },
    
    _loadRowData : function(firstRow, lastRow) {
      this.__req2 = new qx.io.request.Xhr('/services/index.php', 'POST');
      this.__req2.setRequestData({
        'class' : 'Costumer',
        'method' : 'getCostumers',
        'args' : "\"{ \"from\" : \""+firstRow+"\", \"to\" : \""+lastRow+"\"
}\""
      });
      this.__req2.addListener('success', this._onLoadRowDataCompleted,
this);
      this.__req2.send();
    },
            
    _onLoadRowDataCompleted : function(response) {
      this.__response2 = response.getTarget().getResponse();
      if (this.__response2.status) {
        this._onRowDataLoaded(this.__response2.costumers);
      }
    }
  }
});

It has turned to be relatively easy to fix alone. Thanks for your reply.



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