public override string ToString()
{
StringBuilder r = new StringBuilder();
r.Append("(");
FieldNamesToString(r);
r.Append(q.ToString());
r.Append(")");
return(r.ToString());
}
public virtual string DistanceSubQueryNotAllowed()
{
var sqi = GetSubQueriesEnumerator();
while (sqi.MoveNext())
{
SrndQuery leq = sqi.Current;
if (leq is IDistanceSubQuery)
{
string m = ((IDistanceSubQuery)leq).DistanceSubQueryNotAllowed();
if (m != null)
{
return(m);
}
}
else
{
return("subquery not allowed: " + leq.ToString());
}
}
return(null);
}