/// <summary>
/// Checks if table is empty i.e. no records exist.
/// </summary>
/// <returns></returns>
public bool IsEmpty()
{
foreach (List <IIndex <TRecord> > list in this.table.Indexes)
{
if (list != null && 0 < list.Count)
{
foreach (IIndex <TRecord> index in list)
{
return(index.IsEmpty(this.StoreSnapshot.Version));
}
}
}
if (this.table.PrimaryKey != null)
{
// No real index were found. The only hope is pseudo unique index of primary key.
// Right now it is not faster then just table scan, but anyway use it as in the future it may change.
return(this.table.PrimaryKey.IsEmpty(this.StoreSnapshot.Version));
}
// There is no indexes on the table. Do a full scan.
return(TableSnapshot <TRecord> .IsEmpty(this.table, this.StoreSnapshot.Version));
}
public bool IsEmpty(int version)
{
return(TableSnapshot <TRecord> .IsEmpty(this.table, version));
}