Use Query Loop variable in a child/nested Query Loop (or access it via code)?

How To
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After not much luck trying to solve this problem in the ‘standard’ way of JetEngine and Bricks, I’m wondering if the following ‘hacky’ way is possible:

  1. I can set an outer Query Loop (using JetEngine Query Builder) that retrieves sets of relations - in particular, the numeric IDs that connects a Parent to a Child (i.e. parent_object_id and the child_object_id)
  2. I am able to display the parent_object_id and child_object_id (as numbers) using the Dynamic Field widget in Bricks - so they definitely exists!

Is it then possible to use the parent_object_id or child_object_id in another nested Query Loop to obtain a normal Post object - so to easily display feature image, content etc? This is the part I don’t know if its possible, and if so, how to actually implement in Bricks.

(I have tried to use a Code widget within the outer Query Loop, with a simple “echo get_query_var(‘parent_object_id’);” - but this doesn’t display anything - I suspect it is referring to some other object and not the results in the loop. What’s the way to get this parent_object_id variable in this situation?)

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Update: never found an answer to this, since my issue was resolved (turns out, fairly easily with JetSmartFilters - see original post). I’d be still interested in answering this question at some point in the future, but I suspect what I’m asking here is “against the grain” of how things should work (e.g. more like SQL than how Wordpress query should be used).