protected override Expression VisitUnary(UnaryExpression node)
{
_Code.Add(node.NodeType);
_Code.Push();
this.Visit(node.Operand);
_Code.Pop();
return(node);
}
/// <summary>
/// SQL文を生成する
/// </summary>
/// <param name="context">生成先のコンテキスト</param>
public void ToElementCode(ElementCode context)
{
if (this.Table != null)
{
context.Add(SqlKeyword.From);
context.Push();
this.Table.ToElementCode(context);
context.Pop();
context.Add(this.Table);
}
if (this.JoinNodes != null)
{
foreach (var join in this.JoinNodes)
{
join.ToElementCode(context);
}
}
if (this.WhereNode != null)
{
this.WhereNode.ToElementCode(context);
}
if (this.GroupByNode != null)
{
this.GroupByNode.ToElementCode(context);
}
if (this.OrderByNode != null)
{
this.OrderByNode.ToElementCode(context);
}
if (this.LimitNode != null)
{
this.LimitNode.ToElementCode(context);
}
}
/// <summary>
/// SQL文を生成する
/// </summary>
/// <param name="context">生成先のコンテキスト</param>
public void ToElementCode(ElementCode context)
{
switch (this.JoinType)
{
case JoinType.Inner:
context.Add(SqlKeyword.InnerJoin);
break;
case JoinType.Left:
context.Add(SqlKeyword.LeftJoin);
break;
case JoinType.Right:
context.Add(SqlKeyword.RightJoin);
break;
}
context.Push();
this.Table.ToElementCode(context);
context.Pop();
context.Add(this.Table);
context.Add(SqlKeyword.On);
context.Add(this.On);
}
