MySQL query on node ignoring difference condition

I have had a peculiar problem while changing my Node.JS server to certain MySQL queries. I have the following code that works normally in MySQL Workbench:

SELECT id, nome FROM 'tabela' WHERE categoria <> 2;

But in node-mysql the query continues to select rows with a category of 2, and despite rewriting the code several times and trying other ways to get the result, including client-side handling (by selecting the category and doing a if(objeto.categoria !=2) ). It does not work.

Is this a bug ? Or could it be something in my code that I'm not aware of?

The code snippets where I make the selection, in more detail, are available below:

// Evento para requisição WebSocket - Lado Server
socket.on('req-table-list', function(){
     db.query("SELECT id, nome FROM 'banco_de_dados'.'tabela' WHERE categoria <> 2", function(err, rows){
         if(err){
             socket.emit('res-table-list', {content: null, error: err.code});
         }
         else{
             socket.emit('res-table-list', {content: rows, error: null});
         }
     });
});

// Evento para resposta WebSocket - Lado Client

socket.on('res-table-list', function(data){
    for(var i=0; i<data.content.length; i++){
        $("#myDiv").append(data.content[i].nome + '-' + data.content[i].id)
    }
});