where method

@override QueryBuilder where(dynamic condition, [ String operator = '=', dynamic value, String boolean = 'and', ])

Implementation

@override
QueryBuilder where(
  dynamic condition, [
  String operator = '=',
  dynamic value,
  String boolean = 'and',
]) {
  if (condition is String) {
    final paramName = _nextParamName();
    bindings[paramName] = value;
    _appendCondition("$condition $operator :$paramName",
        isOr: (boolean.toLowerCase() == 'or'));
  } else if (condition is QueryCallback) {
    QueryBuilderImpl nested = QueryBuilderImpl()
      ..paramCounter = _paramCounter;
    condition(nested);
    _appendCondition("(${nested.toSql()})",
        isOr: (boolean.toLowerCase() == 'or'));
    bindings.addAll(nested.getBindings());
  } else {
    throw InvalidArgumentException(
      'Invalid argument type for condition. Expected either a String or a QueryBuilder instance',
    );
  }
  return this;
}