/// <summary>
/// Returns the cost for performing a quasi-nested loop join
/// </summary>
/// <param name="ARecordCount"></param>
/// <param name="BRecordCount"></param>
/// <param name="BuildRightIndex"></param>
/// <returns></returns>
public static double QuasiNestedLoopJoinCost(long ARecordCount, long BRecordCount, bool BuildRightIndex)
{
return(ARecordCount * CostCalculator.LogN(BRecordCount) + (BuildRightIndex ? CostCalculator.IndexBuildCost(BRecordCount) : 0));
}
// Index Costs //
/// <summary>
/// Returns the cost for searching an index
/// </summary>
/// <param name="RecordCount"></param>
/// <returns></returns>
public static double IndexSeekCost(long RecordCount)
{
return(CostCalculator.LogN(RecordCount));
}
