private void CopyMembers(Index old)
{
this.ObjectType = old.ObjectType;
this.tableOrView = old.tableOrView;
this.indexId = old.indexId;
this.isPrimaryKey = old.isPrimaryKey;
this.isClustered = old.isClustered;
this.isUnique = old.isUnique;
this.columns = new Lazy<ConcurrentDictionary<string, IndexColumn>>(this.LoadIndexColumns, true);
}
public Index(Index old)
: base(old)
{
CopyMembers(old);
}
/// <summary> /// When overloaded in derived classes, loads all columns covered by and index /// </summary> /// <param name="index"></param> /// <returns></returns> internal abstract IEnumerable <KeyValuePair <string, IndexColumn> > LoadIndexColumns(Index index);