private ForeignKey(ForeignKey source)
{
_table = source._table;
_from = new ForeignKeyFromItem(this, source._from.Column);
_to = new ForeignKeyToItem(this, source._to.Catalog, source._to.Table, source._to.Column);
_name = source._name;
_dirty = source._dirty;
}
internal ForeignKey(DbConnection cnn, Table table, DataRow row)
{
_table = table;
if (row != null)
{
_from = new ForeignKeyFromItem(this, row["FKEY_FROM_COLUMN"].ToString());
_to = new ForeignKeyToItem(this, row["FKEY_TO_CATALOG"].ToString(), row["FKEY_TO_TABLE"].ToString(), row["FKEY_TO_COLUMN"].ToString());
_name = row["CONSTRAINT_NAME"].ToString();
}
else
{
_name = null;
_from = new ForeignKeyFromItem(this, "");
_to = new ForeignKeyToItem(this, _table.Catalog, "", "");
}
}