Phaeton | A tiny DSL for DNN accelerators | Machine Learning library

You get the product_line_name and its productchildren repeating the same number of times because you got them within the same loop:

while(rp.next()) { ... }

Instead, you would need to create a product_line_name element for every productline you encounter and then append products to their corresponding product_line_name parent for every Database entry you read.

F.e., you could do something along the lines of: