popular tags are indexed and use different search strategy than less popular tags
This commit is contained in:
Lex Berezhny
parent
8d5f50b695
commit
ad2df4871e
5 changed files with 272 additions and 39 deletions
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@ -6,7 +6,7 @@ WEIRD_CHARS_RE = re.compile(r"[#!~]")
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def normalize_tag(tag: str):
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return MULTI_SPACE_RE.sub(' ', WEIRD_CHARS_RE.sub(' ', tag.lower())).strip()
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return MULTI_SPACE_RE.sub(' ', WEIRD_CHARS_RE.sub(' ', tag.lower().replace("'", ""))).strip()
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def clean_tags(tags: List[str]):
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@ -11,3 +11,210 @@ STREAM_TYPES = {
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'binary': 5,
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'model': 6
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}
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MATURE_TAGS = [
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'nsfw', 'porn', 'xxx', 'mature', 'adult', 'sex'
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]
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COMMON_TAGS = {
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"gaming": "gaming",
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"people & blogs": "people_and_blogs",
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"pop culture": "pop_culture",
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"entertainment": "entertainment",
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"technology": "technology",
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"music": "music",
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"funny": "funny",
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"education": "education",
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"learning": "learning",
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"news": "news",
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"gameplay": "gameplay",
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"science & technology": "science_and_technology",
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"playstation 4": "playstation_4",
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"beliefs": "beliefs",
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"nature": "nature",
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"news & politics": "news_and_politics",
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"comedy": "comedy",
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"games": "games",
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"sony interactive entertainment": "sony_interactive_entertainment",
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"film & animation": "film_and_animation",
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"game": "game",
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"howto & style": "howto_and_style",
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"weapons": "weapons",
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"blockchain": "blockchain",
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"video game": "video_game",
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"sports": "sports",
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"walkthrough": "walkthrough",
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"ps4live": "ps4live",
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"art": "art",
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"pc": "pc",
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"economics": "economics",
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"automotive": "automotive",
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"minecraft": "minecraft",
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"playthrough": "playthrough",
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"ps4share": "ps4share",
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"tutorial": "tutorial",
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"play": "play",
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"twitch": "twitch",
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"how to": "how_to",
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"ps4": "ps4",
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"bitcoin": "bitcoin",
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"fortnite": "fortnite",
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"commentary": "commentary",
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"lets play": "lets_play",
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"fun": "fun",
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"politics": "politics",
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"xbox": "xbox",
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"autos & vehicles": "autos_and_vehicles",
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"travel & events": "travel_and_events",
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"food": "food",
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"science": "science",
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"mature": "mature",
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"xbox one": "xbox_one",
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"liberal": "liberal",
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"democrat": "democrat",
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"progressive": "progressive",
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"survival": "survival",
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"nonprofits & activism": "nonprofits_and_activism",
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"cryptocurrency": "cryptocurrency",
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"playstation": "playstation",
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"nintendo": "nintendo",
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"government": "government",
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"steam": "steam",
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"podcast": "podcast",
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"horror": "horror",
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"conservative": "conservative",
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"reaction": "reaction",
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"trailer": "trailer",
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"love": "love",
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"cnn": "cnn",
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"republican": "republican",
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"gamer": "gamer",
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"political": "political",
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"hangoutsonair": "hangoutsonair",
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"hoa": "hoa",
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"msnbc": "msnbc",
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"cbs": "cbs",
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"donald trump": "donald_trump",
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"fiction": "fiction",
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"fox news": "fox_news",
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"anime": "anime",
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"crypto": "crypto",
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"ethereum": "ethereum",
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"call of duty": "call_of_duty",
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"multiplayer": "multiplayer",
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"android": "android",
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"epic": "epic",
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"rpg": "rpg",
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"adventure": "adventure",
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"secular talk": "secular_talk",
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"btc": "btc",
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"atheist": "atheist",
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"atheism": "atheism",
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"ps3": "ps3",
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"video games": "video_games",
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"cod": "cod",
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"agnostic": "agnostic",
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"movie": "movie",
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"online": "online",
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"fps": "fps",
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"mod": "mod",
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"reviews": "reviews",
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"sharefactory": "sharefactory",
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"world": "world",
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"space": "space",
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"hilarious": "hilarious",
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"stream": "stream",
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"lol": "lol",
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"sony": "sony",
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"god": "god",
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"lets": "lets",
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"dance": "dance",
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"pvp": "pvp",
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"tech": "tech",
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"zombies": "zombies",
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"pokemon": "pokemon",
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"fail": "fail",
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"xbox 360": "xbox_360",
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"film": "film",
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"unboxing": "unboxing",
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"animation": "animation",
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"travel": "travel",
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"money": "money",
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"wwe": "wwe",
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"how": "how",
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"mods": "mods",
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"pubg": "pubg",
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"indie": "indie",
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"strategy": "strategy",
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"history": "history",
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"rap": "rap",
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"ios": "ios",
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"sony computer entertainment": "sony_computer_entertainment",
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"mobile": "mobile",
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"trump": "trump",
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"flat earth": "flat_earth",
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"hack": "hack",
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"trap": "trap",
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"fox": "fox",
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"vlogging": "vlogging",
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"news radio": "news_radio",
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"humor": "humor",
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"facebook": "facebook",
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"edm": "edm",
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"fitness": "fitness",
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"vaping": "vaping",
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"hip hop": "hip_hop",
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"secular": "secular",
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"jesus": "jesus",
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"vape": "vape",
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"song": "song",
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"remix": "remix",
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"guitar": "guitar",
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"daily": "daily",
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"mining": "mining",
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"diy": "diy",
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"videogame": "videogame",
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"pets & animals": "pets_and_animals",
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"funny moments": "funny_moments",
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"religion": "religion",
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"death": "death",
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"media": "media",
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"nbc": "nbc",
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"war": "war",
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"freedom": "freedom",
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"viral": "viral",
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"meme": "meme",
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"family": "family",
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"gold": "gold",
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"photography": "photography",
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"chill": "chill",
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"zombie": "zombie",
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"computer": "computer",
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"sniper": "sniper",
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"bible": "bible",
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"linux": "linux",
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"overwatch": "overwatch",
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"pro": "pro",
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"dragon": "dragon",
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"litecoin": "litecoin",
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"gta": "gta",
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"iphone": "iphone",
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"house": "house",
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"bass": "bass",
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"bitcoin news": "bitcoin_news",
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"wii": "wii",
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"crash": "crash",
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"league of legends": "league_of_legends",
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"grand theft auto v": "grand_theft_auto_v",
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"mario": "mario",
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"mmorpg": "mmorpg",
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"satire": "satire",
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"fire": "fire",
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"racing": "racing",
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"apple": "apple",
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"health": "health",
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"instrumental": "instrumental",
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"destiny": "destiny",
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"truth": "truth",
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"race": "race"
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}
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@ -16,7 +16,7 @@ from lbry.schema.tags import clean_tags
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from lbry.schema.result import Outputs
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from lbry.wallet.ledger import BaseLedger, MainNetLedger, RegTestLedger
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from .common import CLAIM_TYPES, STREAM_TYPES
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from .common import CLAIM_TYPES, STREAM_TYPES, COMMON_TAGS
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class SQLiteOperationalError(sqlite3.OperationalError):
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@ -433,24 +433,36 @@ def _apply_constraints_for_array_attributes(constraints, attr, cleaner, for_coun
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any_items = {item for item in any_items if item not in not_items}
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if any_items:
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any_queries = {}
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common_items = any_items & COMMON_TAGS.keys()
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if common_items:
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any_items -= common_items
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for item in common_items:
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index_name = COMMON_TAGS[item]
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any_queries[f'$any_{attr}_{index_name}'] = item
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any_queries[f'#_any_{attr}_{index_name}'] = f"""
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EXISTS(
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SELECT 1 FROM {attr} INDEXED BY tag_{index_name}_idx WHERE
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claim.claim_hash={attr}.claim_hash
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AND {attr} = '{item}'
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)
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"""
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constraints.update({
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f'$any_{attr}{i}': item for i, item in enumerate(any_items)
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})
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values = ', '.join(
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f':$any_{attr}{i}' for i in range(len(any_items))
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)
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if for_count:
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constraints[f'claim.claim_hash__in#_any_{attr}'] = f"""
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SELECT claim_hash FROM {attr} WHERE {attr} IN ({values})
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"""
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else:
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constraints[f'#_any_{attr}'] = f"""
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EXISTS(
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SELECT 1 FROM {attr} WHERE
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claim.claim_hash={attr}.claim_hash
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AND {attr} IN ({values})
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)
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"""
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any_queries[f'claim.claim_hash__in#_any_{attr}'] = f"""
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SELECT claim_hash FROM {attr} WHERE {attr} IN ({values})
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"""
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if len(any_queries) == 1:
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constraints.update(any_queries)
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elif len(any_queries) > 1:
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constraints[f'ORed_{attr}_queries__any'] = any_queries
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if all_items:
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constraints[f'$all_{attr}_count'] = len(all_items)
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@ -16,7 +16,7 @@ from lbry.wallet.server.db.trending import (
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CREATE_TREND_TABLE, calculate_trending, register_trending_functions
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)
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from .common import CLAIM_TYPES, STREAM_TYPES
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from .common import CLAIM_TYPES, STREAM_TYPES, COMMON_TAGS
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ATTRIBUTE_ARRAY_MAX_LENGTH = 100
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@ -76,30 +76,12 @@ class SQLDB:
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trending_global integer not null default 0
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);
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create index if not exists claim_resolve_idx on claim (normalized, claim_id);
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create index if not exists claim_normalized_idx on claim (normalized, activation_height);
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create index if not exists claim_channel_hash_idx on claim (channel_hash, signature, claim_hash);
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create index if not exists claim_claims_in_channel_idx on claim (signature_valid, channel_hash, normalized);
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create index if not exists claim_id_idx on claim (claim_id);
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create index if not exists claim_normalized_idx on claim (normalized);
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create index if not exists claim_txo_hash_idx on claim (txo_hash);
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create index if not exists claim_channel_hash_idx on claim (channel_hash);
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create index if not exists claim_timestamp_idx on claim (timestamp);
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create index if not exists claim_height_idx on claim (height);
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create index if not exists claim_activation_height_idx on claim (activation_height);
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create index if not exists claim_activation_height_idx on claim (activation_height, claim_hash);
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create index if not exists claim_expiration_height_idx on claim (expiration_height);
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create index if not exists claim_public_key_hash_idx on claim (public_key_hash);
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create index if not exists claim_claim_type_idx on claim (claim_type);
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create index if not exists claim_stream_type_idx on claim (stream_type);
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create index if not exists claim_media_type_idx on claim (media_type);
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create index if not exists claim_fee_amount_idx on claim (fee_amount);
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create index if not exists claim_fee_currency_idx on claim (fee_currency);
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create index if not exists claim_signature_valid_idx on claim (signature_valid);
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create unique index if not exists claim_effective_amount_idx on claim (effective_amount, claim_hash, release_time);
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create unique index if not exists claim_release_time_idx on claim (release_time, claim_hash);
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create unique index if not exists claim_trending_global_mixed_idx on claim (trending_global, trending_mixed, claim_hash);
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"""
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CREATE_SUPPORT_TABLE = """
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@ -110,7 +92,6 @@ class SQLDB:
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claim_hash bytes not null,
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amount integer not null
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);
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create index if not exists support_txo_hash_idx on support (txo_hash);
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create index if not exists support_claim_hash_idx on support (claim_hash, height);
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"""
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@ -120,7 +101,6 @@ class SQLDB:
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claim_hash bytes not null,
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height integer not null
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);
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create index if not exists tag_tag_idx on tag (tag);
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create unique index if not exists tag_claim_hash_tag_idx on tag (claim_hash, tag);
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"""
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@ -133,6 +113,37 @@ class SQLDB:
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create index if not exists claimtrie_claim_hash_idx on claimtrie (claim_hash);
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"""
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SEARCH_INDEXES = """
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-- used by any tag clouds
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create index if not exists tag_tag_idx on tag (tag, claim_hash);
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{custom_tags_indexes}
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-- common ORDER BY
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create unique index if not exists claim_effective_amount_idx on claim (effective_amount, claim_hash, release_time);
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create unique index if not exists claim_release_time_idx on claim (release_time, claim_hash);
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create unique index if not exists claim_trending_global_mixed_idx on claim (trending_global, trending_mixed, claim_hash);
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-- TODO: verify that all indexes below are used
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create index if not exists claim_height_normalized_idx on claim (height, normalized asc);
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create index if not exists claim_resolve_idx on claim (normalized, claim_id);
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create index if not exists claim_id_idx on claim (claim_id, claim_hash);
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create index if not exists claim_timestamp_idx on claim (timestamp);
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create index if not exists claim_public_key_hash_idx on claim (public_key_hash);
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create index if not exists claim_claim_type_idx on claim (claim_type);
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create index if not exists claim_stream_type_idx on claim (stream_type);
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create index if not exists claim_media_type_idx on claim (media_type);
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create index if not exists claim_fee_amount_idx on claim (fee_amount);
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create index if not exists claim_fee_currency_idx on claim (fee_currency);
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create index if not exists claim_signature_valid_idx on claim (signature_valid);
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""".format(custom_tags_indexes='\n'.join(
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f'create unique index if not exists tag_{tag_key}_idx on tag (tag, claim_hash) WHERE tag="{tag_value}";'
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for tag_value, tag_key in COMMON_TAGS.items()
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))
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CREATE_TABLES_QUERY = (
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PRAGMAS +
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CREATE_CLAIM_TABLE +
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@ -688,6 +699,9 @@ class SQLDB:
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r(self.update_claimtrie, height, recalculate_claim_hashes, deleted_claim_names, forward_timer=True)
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r(calculate_trending, self.db, height, self.main.first_sync, daemon_height)
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if self.main.first_sync and height == daemon_height:
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self.db.executescript(self.SEARCH_INDEXES)
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class LBRYDB(DB):
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@ -11,7 +11,7 @@ class TestTagNormalization(unittest.TestCase):
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def test_normalize_tag(self):
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tag = self.assertNormalizedTag
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tag('', ' \t #!~')
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tag('tag', 'Tag')
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tag('tag', 'T\'ag')
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tag('t ag', '\tT \nAG ')
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tag('tag hash', '#tag~#hash!')
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