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[Refactor] Performance optimization

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- Put download token in memory database
- Accelerate multiple querying in `best_score` table
This commit is contained in:
Lost-MSth
2022-11-01 18:08:02 +08:00
parent e04c8ecf2d
commit cf350842ac
11 changed files with 168 additions and 137 deletions
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42
latest version/core/rank.py
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@@ -1,6 +1,7 @@
from .constant import Constant
from .score import UserScore
from .song import Chart
from .sql import Query, Sql
from .user import UserInfo
@@ -26,24 +27,27 @@ class RankList:
得到top分数表
'''
if self.limit >= 0:
self.c.execute('''select user_id from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC limit :limit''', {
self.c.execute('''select * from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC limit :limit''', {
'song_id': self.song.song_id, 'difficulty': self.song.difficulty, 'limit': self.limit})
else:
self.c.execute('''select user_id from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC''', {
self.c.execute('''select * from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC''', {
'song_id': self.song.song_id, 'difficulty': self.song.difficulty})
x = self.c.fetchall()
if not x:
return None
user_info_list = Sql(self.c).select('user', ['name', 'character_id', 'is_skill_sealed', 'is_char_uncapped',
'is_char_uncapped_override', 'favorite_character'], Query().from_args({'user_id': [i[0] for i in x]}))
rank = 0
self.list = []
for i in x:
for i, j in zip(x, user_info_list):
rank += 1
y = UserScore(self.c, UserInfo(self.c, i[0]))
y = UserScore(self.c, UserInfo(self.c, i[0])).from_list(i)
y.song = self.song
y.select_score()
y.rank = rank
y.user.from_list_about_character(j)
self.list.append(y)
def select_friend(self, user=None, limit=Constant.MAX_FRIEND_COUNT) -> None:
@@ -54,20 +58,25 @@ class RankList:
if user:
self.user = user
self.c.execute('''select user_id from best_score where user_id in (select :user_id union select user_id_other from friend where user_id_me = :user_id) and song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC limit :limit''', {
'user_id': self.user.user_id, 'song_id': self.song.song_id, 'difficulty': self.song.difficulty, 'limit': self.limit})
user_ids = [self.user.user_id] + [x[0] for x in self.user.friend_ids]
self.c.execute(f'''select * from best_score where user_id in ({','.join(['?'] * len(user_ids))}) and song_id = ? and difficulty = ? order by score DESC, time_played DESC limit ?''', user_ids + [
self.song.song_id, self.song.difficulty, self.limit])
x = self.c.fetchall()
if not x:
return None
user_info_list = Sql(self.c).select('user', ['name', 'character_id', 'is_skill_sealed', 'is_char_uncapped',
'is_char_uncapped_override', 'favorite_character'], Query().from_args({'user_id': [i[0] for i in x]}))
rank = 0
self.list = []
for i in x:
for i, j in zip(x, user_info_list):
rank += 1
y = UserScore(self.c, UserInfo(self.c, i[0]))
y = UserScore(self.c, UserInfo(self.c, i[0])).from_list(i)
y.song = self.song
y.select_score()
y.rank = rank
y.user.from_list_about_character(j)
self.list.append(y)
@staticmethod
@@ -118,19 +127,24 @@ class RankList:
sql_limit, sql_offset, need_myself = self.get_my_rank_parameter(
my_rank, int(self.c.fetchone()[0]), self.limit)
self.c.execute('''select user_id from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC limit :limit offset :offset''', {
self.c.execute('''select * from best_score where song_id = :song_id and difficulty = :difficulty order by score DESC, time_played DESC limit :limit offset :offset''', {
'song_id': self.song.song_id, 'difficulty': self.song.difficulty, 'limit': sql_limit, 'offset': sql_offset})
x = self.c.fetchall()
if x:
user_info_list = Sql(self.c).select('user', ['name', 'character_id', 'is_skill_sealed', 'is_char_uncapped',
'is_char_uncapped_override', 'favorite_character'], Query().from_args({'user_id': [i[0] for i in x]}))
rank = sql_offset if sql_offset > 0 else 0
self.list = []
for i in x:
for i, j in zip(x, user_info_list):
rank += 1
y = UserScore(self.c, UserInfo(self.c, i[0]))
y = UserScore(self.c, UserInfo(self.c, i[0])).from_list(i)
y.song = self.song
y.select_score()
y.rank = rank
y.user.from_list_about_character(j)
self.list.append(y)
if need_myself:
y = UserScore(self.c, UserInfo(self.c, self.user.user_id))
y.song = self.song