protected virtual void VisitGroupBy(IExpressionVisitor visitor, GroupByClause clause)
{
if (clause == null || clause.Keys.Count == 0)
{
return;
}
if (visitor.Output.Length > 0)
{
visitor.Output.AppendLine();
}
visitor.Output.Append("GROUP BY ");
int index = 0;
foreach (var key in clause.Keys)
{
if (index++ > 0)
{
visitor.Output.Append(",");
}
visitor.Visit(key);
}
if (clause.Having != null)
{
visitor.Output.AppendLine();
visitor.Output.Append("HAVING ");
visitor.Visit(clause.Having);
}
}
protected virtual void VisitGroupBy(ExpressionVisitorContext context, GroupByClause clause)
{
if (clause == null || clause.Keys.Count == 0)
{
return;
}
if (context.Output.Length > 0)
{
context.WriteLine();
}
context.Write("GROUP BY ");
int index = 0;
foreach (var key in clause.Keys)
{
if (index++ > 0)
{
context.Write(",");
}
context.Visit(key);
}
if (clause.Having != null)
{
context.WriteLine();
context.Write("HAVING ");
context.Visit(clause.Having);
}
}