code: func writeQuery(buff *bytes.Buffer, aql string, resultVarName string) {
  	if len(resultVarName) > 0 {
  		buff.WriteString("var ")
  		buff.WriteString(resultVarName)
  		buff.WriteString(" = ")
  	}
  
  	buff.WriteString("db._query(aqlQuery`")
  	buff.WriteString(aql)
  	buff.WriteString("`).toArray(); ")
  }
docs: // writeQuery translate a given aql query to bytes
  // buff the buffer containing the resulting bytes
  // aql the AQL query
  // resultVarName the name of the variable that will accept the query result, if any - may be empty