Folks,

I have a Parent and Children, but need to do aggregate function on collection of Parent WITH Children, to find the minimum expiration date on them, how can I create in LHS expression a collection of Parent WITH Children?

Like:

rule …

when

p : Parent()

c : Date() from accumulate( Child( d: date) from ($p.children and $p), min($d) ) // ?? what can I use to join collection of $p.children with $p to get another collection with them all ??

then

….

end

Thanks!

-Sergey

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