public void addQuery(Query q)
{
if (!isRootQuery(q)) {
clusterQueryMapper.Add(q, new List<Query>());
}
}
/*
* Check if one query subsumes another
*/
public Boolean SubsumesOrEqual(Query q2)
{
return SubsumesOrEqual(this.queryTables, q2.queryTables) //table check
&& SubsumesOrEqual(this.queryProjectedAttributes, q2.queryProjectedAttributes) //attribute check
&& (this.querySelectionAttribute.attributeName == null
|| this.queryPercentSelection >= q2.queryPercentSelection); //selectivity check
}
public bool isRootQuery(Query q)
{
return clusterQueryMapper.Keys.Contains(q);
}