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It ... really isn't a black box of magic? It's a transparent box of - as your comment points out - implementing a particular mathematical model.

You're gonna need to give me some more on why it's "quite flawed for modern web apps". I may even agree with you, but it's tough to know from what you've written so far.

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> isn't a black box of magic

Referring mostly to the query planner - you have no control over it, and you have to dive deep to figure out why it's making certain plans, and how it collects statistics to make these calls. Plus the planner essentially gives up at 6+ joins.

> quite flawed for modern web apps

Try listening to updates on a query.

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