Delayed destructor is node-odbc eventually causes SQL_INVALID_HANDLE to always be returned

node-odbc-invalid-handle.js

var odbc = require('odbc'),
  util = require('util'),
  count = 0;

var getSchema = function () {
  var db = new odbc.Database();

  console.log(util.format('Count %s, time %s', count, new Date()));
  console.log(db);

  db.open("DSN=RetailSQLiteDSN", function(err) {
    if (err) {
      console.error("connection error: ", err.message);
      db.close(function(){});
      return;
    }

    db.describe({database: 'main', schema: 'RETAIL', table: 'PURCHASES'}, function (err, rows) {
      if (err) {
        console.error("describe error: ", err.message);
        db.close(function(){});
        return;
      }
      // console.log(rows);
      db.close(function() {
        console.log("Connection Closed");
        db = null;
        count += 1;
        if (count < 100) {
          setImmediate(getSchema);
        }
      });
    });
  });
};

getSchema();