How do I get the attribute to copy to a subquery's query._attribute ? I
need it to be a MapperOption and that should then copy itself via q =
q._conditional_options(*orig_query._with_options)?
(This doesn't seem like it needs be a MapperOption, or do you think it
should be? Not quite sure why not just a query method like
enable_eagerloads().... it needs no path information.
if you want a Query to lazyload everything by default then the _get_context_strategy(), or some system around it (I
don't have the time to look at the source right now) needs to be changed to recognize some kind of
"wildcard" - right now a MapperOption puts a key that is along the lines of (MyClass.somerelation,
"eager") into attributes - so it would be like ("*", "lazy"). This is not how it
actually looks but the idea would be along those lines.
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