<transcript><audio_73>the root node in my query plan i only want to call that next function let's say i want to limit 10 i only have to call it 10 times and then by that point we know okay where we are done we don't need to return any more tuples this will allow us to do some kind of um</transcript><transcript><audio_74>early stopping where if we don't need more results we can uh ignore you know completing the entire probe phase of the join we have to do the whole thing because we know that we only want 10 10</transcript><transcript><audio_75>so here are a few examples of the many many systems that use this iterator-based approach there are certainly many more but it again as i said it's a it's a very common uh paradigm because it lets you kind of</transcript><transcript><audio_76>break down the execution of a query into these modular pieces where you only have to worry about implementing each operator individually and then you can kind of stitch them together arbitrarily and for example if you wanted to add</transcript> the root node in my query plan i only want to call that next function let's say i want to limit 10 i only have to call it 10 times and then by that point we know okay where we are done we don't need to return any more tuples this will allow us to do some kind of um early stopping where if we don't need more results we can uh ignore you know completing the entire probe phase of the join we have to do the whole thing because we know that we only want 10 10 so here are a few examples of the many many systems that use this iterator-based approach there are certainly many more but it again as i said it's a it's a very common uh paradigm because it lets you kind of break down the execution of a query into these modular pieces where you only have to worry about implementing each operator individually and then you can kind of stitch them together arbitrarily and for example if you wanted to add
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