public static long LongBinarySerach(IFixedWidthColumn column, long value, long index, long count)
{
if (index < 0)
{
throw new ArgumentOutOfRangeException("index", "Must be non negative");
}
if (count <= 0)
{
throw new ArgumentOutOfRangeException("count", "Must be non negative");
}
var lo = index;
var hi = count - 1;
while (lo <= hi)
{
long i = (hi - lo) / 2 + lo;
long c = column.GetInt64(i) - value;
if (c == 0)
{
return(i);
}
if (c < 0)
{
lo = i + 1;
}
else
{
hi = i - 1;
}
}
return(~lo);
}
public long?GetNullableInt64(long rowid, ByteArray bitset)
{
if (!bitset.IsSet(_bitsetIndex))
{
return(_column.GetInt64(rowid));
}
return(default(long?));
}