select method

DBHelper select(
  1. dynamic columns
)

Implementation

DBHelper select(dynamic columns) {
  if (columns.runtimeType.toString().contains("String")) {
    if (!_query.contains("SELECT")) {
      _query += "SELECT $columns FROM $table ";
    } else {
      _query += _query.replaceAll("*", columns);
    }
  } else if (columns.runtimeType.toString().contains("List<String>")) {
    if (!_query.contains("SELECT")) {
      _query += "SELECT ${columns.join(",")} FROM $table ";
    } else {
      _query += _query.replaceAll("*", columns.join(","));
    }
  }

  return this;
}