public IncludeProperty(string propertyName, IEnumerable <string> fields,
MyJoinType joinType = MyJoinType.LeftJoin)
{
PropertyName = propertyName;
FieldList = fields?.ToList() ?? new List <string>();
JoinType = joinType;
}
public string GetJoinString(MyJoinType joinType)
{
switch (joinType)
{
case MyJoinType.LeftJoin:
return("LEFT JOIN");
case MyJoinType.InnerJoin:
return("INNER JOIN");
default:
throw new ArgumentException("无效的表连接类型", nameof(joinType));
}
}
