Deveel.Data.Sql.Expressions.Build.QueryExpressionBuilder.GroupBy C# (CSharp) Метод

        public IQueryExpressionBuilder GroupBy(params SqlExpression[] groupBy)
        {
            if (groupBy != null) {
                foreach (var expression in groupBy) {
                    if (expression == null)
                        throw new ArgumentNullException();

                    groupByExpressions.Add(expression);
                }
            }

            return this;
        }