View Source Ash.Query.Parent (ash v2.9.21)
true if the provided field is nil Used to access values from the "source" of a given expression.
This is used in cases where expressions are given for some relationship path, for example:any()
has_many :foo, Foo do filter expr(priority == :foo and type == parent(foo_type)) end
This is supported on a case by case basis by a given data layer and in specific usages.
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