<transcript><audio_44>look at you know the top uh which is the performing the projection it's essentially saying for every every tuple t produced by my child node iterator so it's going to be calling whoever the the child is in this case it's the the join</transcript> look at you know the top uh which is the performing the projection it's essentially saying for every every tuple t produced by my child node iterator so it's going to be calling whoever the the child is in this case it's the the join
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