private bool CheckPresenceValue(RelationInfo info, Row row)
{
if (!ReferenceEquals(null, info.PresenceField))
{
if (!(info.PresenceField is BooleanField) &&
info.PresenceValue is Boolean)
{
if (info.PresenceField.IsNull(row) == (bool)info.PresenceValue)
return false;
}
else
{
var newRow = row.CreateNew();
info.PresenceField.AsObject(newRow, info.PresenceField.ConvertValue(
info.PresenceValue, CultureInfo.InvariantCulture));
if (info.PresenceField.IndexCompare(row, newRow) != 0)
return false;
}
}
return true;
}