<transcript><audio_45>operation but for every uh tuple t that's produced by the child iterator we want to emit the projection function in in this case the projection function is just returning uh the the rid and the s value so you can kind of see how these are all chained together</transcript><transcript><audio_46>uh the the projection calls the join now the join recall has these two parts there's the build phase and the probe phase so for the the first piece uh the um</transcript> operation but for every uh tuple t that's produced by the child iterator we want to emit the projection function in in this case the projection function is just returning uh the the rid and the s value so you can kind of see how these are all chained together uh the the projection calls the join now the join recall has these two parts there's the build phase and the probe phase so for the the first piece uh the um
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