internal void Add(RdbColumn column)
{
if (column.Info.IsIdentity)
{
if (_identityColumn != null)
{
throw new ORMException(string.Format(
"cannot add idenity column {0} to table {1}, it already has an identity column {2}",
column.Name, this.Name, _identityColumn.Name));
}
_identityColumn = column;
}
if (column.Info.IsPrimaryKey)
{
if (_pkColumn != null)
{
throw new ORMException(string.Format(
"cannot add primary key column {0} to table {1}, it already has an primary key column {2}",
column.Name, this.Name, _pkColumn.Name));
}
_pkColumn = column;
}
if (column.IsLOB)
{
_hasLOB = true;
}
_columns.Add(column);
}
/// <summary>
/// 把属性名转换为列名
/// </summary>
/// <param name="propertyName"></param>
/// <returns></returns>
internal string Translate(string propertyName)
{
string name = null;
RdbColumn column = FindByPropertyName(propertyName);
if (column != null) { name = column.Name; }
if (string.IsNullOrEmpty(name))
{
throw new ORMException(string.Format("表 {1} 中没有找到对应的列：{0}。", propertyName, this.Name));
}
return name;
}
internal void Add(RdbColumn column)
{
if (column.Info.IsIdentity)
{
if (_identityColumn != null)
{
throw new ORMException(string.Format(
"cannot add idenity column {0} to table {1}, it already has an identity column {2}",
column.Name, this.Name, _identityColumn.Name));
}
_identityColumn = column;
}
if (column.Info.IsPrimaryKey)
{
if (_pkColumn != null)
{
throw new ORMException(string.Format(
"cannot add primary key column {0} to table {1}, it already has an primary key column {2}",
column.Name, this.Name, _pkColumn.Name));
}
_pkColumn = column;
}
if (column.IsLOB)
{
_hasLOB = true;
}
_columns.Add(column);
}
protected virtual bool CanInsert(RdbColumn column)
{
//Sql Server 中的 Identity 列是不需要插入的。
return(!column.Info.IsIdentity);
}
protected virtual bool CanInsert(RdbColumn column)
{
//Sql Server 中的 Identity 列是不需要插入的。
return !column.Info.IsIdentity;
}