protected override SqlExpression VisitAggregate(AggregateExpression aggregate) { this.hasAggregate = true; return aggregate; }
protected override SqlExpression VisitAggregate(AggregateExpression expr) { this.Write(expr.AggregateName + "("); this.Write(expr.IsDistinct ? "DISTINCT " : ""); if (expr.Argument != null) { this.Visit(expr.Argument); } else if(RequiresAsteriskWhenNoArgument(expr.AggregateName)) { this.Write("*"); } this.Write(") "); return expr; }