<transcript><audio_61>okay and then this for every for every single time we probe the hash table and there's a match there we're going to emit back a tuple back to the parent operator the root node and then the the query plan is done so are there any questions about how</transcript><transcript><audio_62>specifically this okay so uh just to to summarize the iterator</transcript><transcript><audio_63>approach um this is used in pretty much every uh mainstream dbms it allows for i mentioned what's called tuple pipelining so if you look at kind</transcript> okay and then this for every for every single time we probe the hash table and there's a match there we're going to emit back a tuple back to the parent operator the root node and then the the query plan is done so are there any questions about how specifically this okay so uh just to to summarize the iterator approach um this is used in pretty much every uh mainstream dbms it allows for i mentioned what's called tuple pipelining so if you look at kind
{"source": "grass-yt-cc-by.0K0kI1H2KTE|shard_1004_48|create_multimodal_data.extract_yt_and_generate_transcripts.60|shard_1004|create_multimodal_data.generate_captions.50|shard_1004|create_multimodal_data.generate_captions.55", "params": {"id": "0K0kI1H2KTE", "channel_id": "UCHnBsf2rH-K7pn09rb3qvkA", "duration": 4701, "view_count": 4624, "age_limit": 0, "chapters": [{"start_time": 0.0, "title": "Introduction", "end_time": 108.0}, {"start_time": 108.0, "title": "Recap", "end_time": 278.0}, {"start_time": 278.0, "title": "Overview", "end_time": 435.0}, {"start_time": 435.0, "title": "Iterator", "end_time": 709.0}, {"start_time": 709.0, "title": "Runthrough", "end_time": 846.0}, {"start_time": 846.0, "title": "Iterator Approach", "end_time": 1104.0}, {"start_time": 1104.0, "title": "Materialization Approach", "end_time": 1581.0}, {"start_time": 1581.0, "title": "Vectorization Approach", "end_time": 2253.0}, {"start_time": 2253.0, "title": "Vectorization Model", "end_time": 2475.0}, {"start_time": 2475.0, "title": "Query Processing Models", "end_time": 2606.0}, {"start_time": 2606.0, "title": "Access Methods", "end_time": 2701.0}, {"start_time": 2701.0, "title": "Sequential Scan", "end_time": 2796.0}, {"start_time": 2796.0, "title": "Optimizations", "end_time": 2915.0}, {"start_time": 2915.0, "title": "Zone Maps", "end_time": 3180.0}, {"start_time": 3180.0, "title": "Late Materialization", "end_time": 3302.0}, {"start_time": 3302.0, "title": "Index Scan", "end_time": 3388.0}, {"start_time": 3388.0, "title": "Index Scan Example", "end_time": 3507.0}, {"start_time": 3507.0, "title": "Multiindex Scan Example", "end_time": 4701}], "like_count": 46, "channel_follower_count": 71100, "license": "Creative Commons Attribution license (reuse allowed)", "uploader_id": "@CMUDatabaseGroup", "yt_tar_file": "/leonardo_work/EUHPC_E03_068/audio/fixed_download/grass-yt-cc-by//shard_1004/0K0kI1H2KTE.tar.gz"}}