public GetCardinality ( |
||
crit | The query being run. | |
return | int |
public override int GetCardinality(DaoCriteria crit)
{
// This is where it gets complicated. Can you use this index, and
// if so, how well? Current implementation is extremely simplistic, it assumes
// any ANDed expression is equally useable.
return GetExpressionsForIndex(crit).Count > 0 ? _values.Count : 1;
}