windowSum method

@override QueryBuilder windowSum(String column, { String? partitionBy, String? orderBy, String? as, })

Implementation

@override
QueryBuilder windowSum(
  String column, {
  String? partitionBy,
  String? orderBy,
  String? as,
}) {
  if (column.isEmpty) {
    throw InvalidArgumentException(
        'Column name cannot be empty for SUM window function');
  }

  final overClause =
      _buildOverClause(partitionBy: partitionBy, orderBy: orderBy);
  _addWindowFunction("SUM($column)", overClause, as);
  return this;
}