private DmlfColumnRef[] GetBaseWhereCols()
{
if (ResultFields != null)
{
return(ResultFields.GetPrimaryKey(DmlfSource.BaseTable).ToArray());
}
else
{
var pk = Structure.PrimaryKey;
return(DmlfColumnRef.BuildFromArray(pk != null ? pk.Columns.GetNames() : Structure.Columns.GetNames(), null));
}
}