/// <summary>
/// 构建表连接信息信息
/// </summary>
/// <param name="direction">连接方向</param>
/// <param name="table">要连接的表</param>
public Join(JoinDirections direction, ITable table)
{
Direction = direction;
Table = table;
On = new Conditions();
}
/// <summary>
/// 拼接一个表连接方向。
/// </summary>
/// <param name="joinDirection">表连接方向</param>
protected virtual void BuildJoinDirection(JoinDirections joinDirection)
{
switch (joinDirection)
{
case JoinDirections.Left:
BuildCode(Code_Left);
break;
case JoinDirections.Right:
BuildCode(Code_Right);
break;
case JoinDirections.Inner:
BuildCode(Code_Inner);
break;
case JoinDirections.Full:
BuildCode(Code_Full);
break;
default:
throw new NotSupportedException();
}
}
/// <summary>
/// 构建表连接信息信息
/// </summary>
/// <param name="direction">连接方向</param>
/// <param name="table">要连接的表</param>
/// <param name="condition">连接条件</param>
public Join(JoinDirections direction, ITable table, Condition condition) : this(direction, table)
{
On.Add(condition);
}
