Custom Relations Part III: Cascading
Last time I covered how to use custom relations to add a field composed of complicated SQL. The real problem, however, is to reference that field from another table. Fortunately, this problem is easy to solve.
Last time I covered how to use custom relations to add a field composed of complicated SQL. The real problem, however, is to reference that field from another table. Fortunately, this problem is easy to solve.
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