hi
i got that the only allowed non-relational expressions over a 
reference (PropLoader) are:
 someklas.propname == instance
and that would be translated into 
 someklas.table.c.primarykey == instance.primarykey

is there a way to apply same thing for <=/>= i.e. le/ge? (without 
resorting to column-level) 
somehow add le/ge to PropLoader.Comparator?

its about some sort-of audit-log, which dbid is used as a 
revision-number for the referring classes.
i.e. i want to get objects with revisions before someRevisionInstance, 
comparing Revision.db_id.

ciao
svilen

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