docs: def _create_filter_by(self):
          """Transform the json-server filter arguments to model-resource ones."""
          filter_by = []
  
          for name, values in request.args.copy().lists():  # copy.lists works in py2 and py3
              if name not in _SKIPPED_ARGUMENTS:
                  column = _re_column_name.search(name).group(1)
  
                  if column not in self._model_columns:
                      continue
  
                  for value in values:
                      if name.endswith('_ne'):
                          filter_by.append(name[:-3] + '!=' + value)
                      elif name.endswith('_lte'):
                          filter_by.append(name[:-4] + '<=' + value)
                      elif name.endswith('_gte'):
                          filter_by.append(name[:-4] + '>=' + value)
                      elif name.endswith('_like'):
                          filter_by.append(name[:-5] + '::like::%' + value + '%')
                      else:
                          filter_by.append(name.replace('__', '.') + '==' + value)
  
          filter_by += self._create_fulltext_query()
  
          return ','.join(filter_by)