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by dogman123 139 days ago
neat. i'm pretty novice in the guts of this kind of stuff, but how does this work under the hood for blocking operators where they "cannot output a single row until the last row of their input has been seen"?

i think this is where spark shuffling comes in? but how does it work here.

https://duckdb.org/docs/stable/guides/performance/how_to_tun...