refactor code for mysql data handler

core/data_monitor.py

@@ -111,7 +111,8 @@ class DataMonitor:
             df['symbol'] = symbol
             # 添加bar列，内容为bar
             df['bar'] = bar
-            df = df[['symbol', 'bar', 'timestamp', 'date_time', 'open', 'high', 'low', 'close', 'volume', 'volCcy', 'volCCyQuote']]
+            df['create_time'] = datetime.now().strftime('%Y-%m-%d %H:%M:%S')
+            df = df[['symbol', 'bar', 'timestamp', 'date_time', 'open', 'high', 'low', 'close', 'volume', 'volCcy', 'volCCyQuote', 'create_time']]
             df.sort_values('timestamp', inplace=True)
             df.reset_index(drop=True, inplace=True)
             logging.info(f"总计获取 {len(df)} 条 K 线数据（仅confirm=1）")

core/db_manager.py

@@ -2,167 +2,241 @@ import pandas as pd
 from sqlalchemy import create_engine, exc, text
 import re, datetime
 import logging
-from core.utils import transform_data_type, datetime_to_timestamp, check_date_time_format
+from core.utils import (
+    transform_data_type,
+    datetime_to_timestamp,
+    check_date_time_format,
+)
 
-def insert_market_data_to_mysql(df: pd.DataFrame, db_url: str):
+logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s: %(message)s")
-    """
-    将K线行情数据保存到MySQL的crypto_market_data表
-    :param df: K线数据DataFrame
-    :param symbol: 交易对
-    :param bar: K线周期
-    :param db_url: 数据库连接URL
-    """
-    if df is None or df.empty:
-        logging.warning("DataFrame为空，无需写入数据库。")
-        return
 
-    # 按表字段顺序排列
-    columns = [
-        'symbol', 'bar', 'timestamp', 'date_time', 'open', 'high', 'low', 'close',
-        'volume', 'volCcy', 'volCCyQuote'
-    ]
-    df = df[columns]
 
-    # 建立数据库连接
+class DBData:
-    try:
+    def __init__(
-        engine = create_engine(db_url)
+        self, 
+        db_url: str, 
+        table_name: str = "crypto_market_data",
+        columns: list = None
+    ):
+        self.db_url = db_url
+        self.table_name = table_name
+        self.temp_table_name = f"temp_{table_name}_{datetime.datetime.now().strftime('%Y%m%d_%H%M%S')}"
+        self.columns = columns
+        if self.columns is None:
+            raise ValueError("columns不能为空")
+        if len(self.columns) != len(set(self.columns)):
+            raise ValueError("columns不能有重复")
+    
+    def create_insert_sql_text_by_temp_table(self, temp_table_name: str):
+        """
+        创建插入SQL语句（使用临时表）
+        示例：
+        INSERT INTO crypto_market_data
+        (symbol, bar, timestamp, date_time, open, high, low, close, volume, volCcy, volCCyQuote, create_time)
+        SELECT symbol, bar, timestamp, date_time, open, high, low, close, volume, volCcy, volCCyQuote, create_time
+        FROM {temp_table_name}
+        ON DUPLICATE KEY UPDATE
+            open=VALUES(open), high=VALUES(high), low=VALUES(low), close=VALUES(close),
+            volume=VALUES(volume), volCcy=VALUES(volCcy), volCCyQuote=VALUES(volCCyQuote), 
+            date_time=VALUES(date_time), create_time=VALUES(create_time)
+        """
+        sql = f"""
+        INSERT INTO {self.table_name}
+        ({",".join(self.columns)})
+        SELECT {",".join(self.columns)}
+        FROM {temp_table_name}
+        ON DUPLICATE KEY UPDATE
+            {", ".join([f"{col}=VALUES({col})" for col in self.columns])}
+        """
+        return sql
+    
+    def create_insert_sql_text(self):
+        """
+        创建插入SQL语句（不使用临时表）
+        示例：
+        INSERT INTO crypto_market_data
+        (symbol, bar, timestamp, date_time, open, high, low, close, volume, volCcy, volCCyQuote, create_time)
+        VALUES (:symbol, :bar, :timestamp, :date_time, :open, :high, :low, :close, :volume, :volCcy, :volCCyQuote, :create_time)
+        ON DUPLICATE KEY UPDATE
+            open=VALUES(open), high=VALUES(high), low=VALUES(low), close=VALUES(close),
+            volume=VALUES(volume), volCcy=VALUES(volCcy), volCCyQuote=VALUES(volCCyQuote), 
+            date_time=VALUES(date_time), create_time=VALUES(create_time)
+        """
+        sql = f"""
+            INSERT INTO {self.table_name}
+            ({",".join(self.columns)})
+            VALUES ({",".join([f":{col}" for col in self.columns])})
+            ON DUPLICATE KEY UPDATE
+                {", ".join([f"{col}=VALUES({col})" for col in self.columns])}
+        """
+        return sql
+
+    def insert_data_to_mysql(self, df: pd.DataFrame):
+        """
+        将K线行情数据保存到MySQL的crypto_market_data表
+        速度：⭐⭐⭐⭐⭐ 最快
+        内存：⭐⭐⭐⭐ 中等
+        适用场景：中小数据量（<10万条）
+        :param df: K线数据DataFrame
+        :param symbol: 交易对
+        :param bar: K线周期
+        :param db_url: 数据库连接URL
+        """
+        if df is None or df.empty:
+            logging.warning("DataFrame为空，无需写入数据库。")
+            return
+
+        df = df[self.columns]
+        # 建立数据库连接
         try:
-            df.to_sql(
+            engine = create_engine(self.db_url)
-                name='crypto_market_data',
+
-                con=engine,
+            # 方案1：使用临时表 + 批量更新（推荐，速度最快）
-                if_exists='append',
+            with engine.begin() as conn:
-                index=False,
+                # 将数据写入临时表
-                method='multi'
+                df.to_sql(
-            )
+                    name=self.temp_table_name,
+                    con=engine,
+                    if_exists="replace",
+                    index=False,
+                    method="multi",
+                )
+
+                # 使用INSERT ... ON DUPLICATE KEY UPDATE批量处理
+                sql = text(self.create_insert_sql_text_by_temp_table(self.temp_table_name))
+                conn.execute(sql)
+
+                # 删除临时表
+                conn.execute(text(f"DROP TABLE IF EXISTS {self.temp_table_name}"))
+
             logging.info("数据已成功写入数据库。")
         except Exception as e:
-            logging.error(f'插入数据出错: {e}')
+            logging.error(f"数据库连接或写入失败: {e}")
-            with engine.begin() as conn:
-                for _, row in df.iterrows():
-                    try:
-                        sql = text("""
-                            INSERT INTO crypto_market_data
-                            (symbol, bar, timestamp, date_time, open, high, low, close, volume, volCcy, volCCyQuote)
-                            VALUES (:symbol, :bar, :timestamp, :date_time, :open, :high, :low, :close, :volume, :volCcy, :volCCyQuote)
-                            ON DUPLICATE KEY UPDATE
-                                open=VALUES(open), high=VALUES(high), low=VALUES(low), close=VALUES(close),
-                                volume=VALUES(volume), volCcy=VALUES(volCcy), volCCyQuote=VALUES(volCCyQuote), date_time=VALUES(date_time)
-                        """)
-                        conn.execute(sql, row.to_dict())
-                    except exc.IntegrityError as e:
-                        logging.error(f'唯一索引冲突: {e}')
-                    except Exception as e:
-                        logging.error(f'插入数据出错: {e}')
-                logging.info("数据已成功写入数据库。")
-    except Exception as e:
-        logging.error(f'数据库连接或写入失败: {e}')
     
-
+    def insert_data_to_mysql_fast(self, df: pd.DataFrame):
-def query_latest_data(symbol: str, bar: str, db_url: str):
-    """
-    查询最新数据
-    :param symbol: 交易对
-    :param bar: K线周期
-    :param db_url: 数据库连接URL
-    """
-    sql = """
-        SELECT * FROM crypto_market_data
-        WHERE symbol = :symbol AND bar = :bar
-        ORDER BY timestamp DESC
-        LIMIT 1
         """
-    condition_dict = {"symbol": symbol, "bar": bar}
+        快速插入K线行情数据（方案2：使用executemany批量插入）
-    return query(sql, condition_dict, db_url, return_multi=False)
+        速度：⭐⭐⭐⭐ 很快
+        内存：⭐⭐⭐⭐⭐ 低
+        适用场景：中等数据量
+        """
+        if df is None or df.empty:
+            logging.warning("DataFrame为空，无需写入数据库。")
+            return
         
+        df = df[self.columns]
+        try:
+            engine = create_engine(self.db_url)
+            with engine.begin() as conn:
+                # 使用executemany批量插入
+                sql = text(self.create_insert_sql_text())
 
-def query_data_by_symbol_bar(symbol: str, bar: str, start: str, end: str, db_url: str):
+                # 将DataFrame转换为字典列表
-    """
+                data_dicts = [row.to_dict() for _, row in df.iterrows()]
-    根据交易对和K线周期查询数据
+                conn.execute(sql, data_dicts)
-    :param symbol: 交易对
+
-    :param bar: K线周期
+            logging.info("数据已成功写入数据库。")
-    :param db_url: 数据库连接URL
+        except Exception as e:
-    """
+            logging.error(f"数据库连接或写入失败: {e}")
-    if start is None or end is None:
+    
-        sql = """
+    def insert_data_to_mysql_chunk(self, df: pd.DataFrame, chunk_size: int = 1000):
-            SELECT * FROM crypto_market_data
+        """
-            WHERE symbol = :symbol AND bar = :bar
+        分块插入K线行情数据（方案3：适合大数据量）
-            ORDER BY timestamp ASC
+        速度：⭐⭐⭐ 中等
-            """
+        内存：⭐⭐⭐⭐⭐ 最低
-        condition_dict = {"symbol": symbol, "bar": bar}
+        适用场景：大数据量（>10万条）
-    else:
+        """
-        if start is not None:
+        if df is None or df.empty:
-            if isinstance(start, str):
+            logging.warning("DataFrame为空，无需写入数据库。")
-                if start.isdigit():
+            return
-                    start = int(start)
+        
-                else:
+        df = df[self.columns]
-                    start = check_date_time_format(start)
+        
-                    # 判断是否是日期时间格式
+        try:
-                    if start is None:
+            engine = create_engine(self.db_url)
-                        logging.warning(f"日期时间格式错误: {start}")
+            with engine.begin() as conn:
+                # 分块处理
+                total_rows = len(df)
+                for i in range(0, total_rows, chunk_size):
+                    chunk_df = df.iloc[i : i + chunk_size]
+                    with engine.begin() as conn:
+                        # 创建临时表
+                        temp_table_name = f"{self.temp_table_name}_{i}"
+                        
+                        # 将数据写入临时表
+                        chunk_df.to_sql(
+                            name=temp_table_name,
+                            con=engine,
+                            if_exists="replace",
+                            index=False,
+                            method="multi",
+                        )
+                        
+                        # 使用INSERT ... ON DUPLICATE KEY UPDATE批量处理
+                        sql = text(self.create_insert_sql_text_by_temp_table(temp_table_name))
+                        conn.execute(sql)
+                        
+                        # 删除临时表
+                        conn.execute(text(f"DROP TABLE IF EXISTS {temp_table_name}"))
+                        
+                        logging.info(f"已处理 {min(i+chunk_size, total_rows)}/{total_rows} 条记录")
+                logging.info("数据已成功写入数据库。")
+        except Exception as e:
+            logging.error(f"数据库连接或写入失败: {e}")
+    
+    def insert_data_to_mysql_simple(self, df: pd.DataFrame):
+        """
+        简单插入K线行情数据（方案4：直接使用to_sql，忽略重复）
+        速度：⭐⭐⭐⭐⭐ 最快
+        内存：⭐⭐⭐⭐ 中等
+        注意：会抛出重复键错误，需要额外处理
+        """
+        if df is None or df.empty:
+            logging.warning("DataFrame为空，无需写入数据库。")
+            return
+        
+        df = df[self.columns]
+        try:
+            engine = create_engine(self.db_url)
+            with engine.begin() as conn:
+                df.to_sql(
+                    name=self.table_name,
+                    con=engine,
+                    if_exists="append",
+                    index=False,
+                    method="multi",
+                )
+                logging.info("数据已成功写入数据库。")
+        except Exception as e:
+            logging.error(f"数据库连接或写入失败: {e}")
+
+    def query_data(self, sql: str, condition_dict: dict, return_multi: bool = True):
+        """
+        查询数据
+        :param sql: 查询SQL
+        :param db_url: 数据库连接URL
+        """
+        try:
+            engine = create_engine(self.db_url)
+            with engine.connect() as conn:
+                result = conn.execute(text(sql), condition_dict)
+                if return_multi:
+                    result = result.fetchall()
+                    if result:
+                        result_list = [
+                            transform_data_type(dict(row._mapping)) for row in result
+                        ]
+                        return result_list
+                    else:
                         return None
-                    start = datetime_to_timestamp(start)
-        if end is not None:
-            if isinstance(end, str):
-                if end.isdigit():
-                    end = int(end)
                 else:
-                    end = check_date_time_format(end)
+                    result = result.fetchone()
-                    if end is None:
+                    if result:
-                        logging.warning(f"日期时间格式错误: {end}")
+                        result_dict = transform_data_type(dict(result._mapping))
+                        return result_dict
+                    else:
                         return None
-                    end = datetime_to_timestamp(end)
+        except Exception as e:
-        if start is not None and end is not None:
+            logging.error(f"查询数据出错: {e}")
-            if start > end:
+            return None
-                start, end = end, start
-            sql = """
-                SELECT * FROM crypto_market_data
-                WHERE symbol = :symbol AND bar = :bar AND timestamp BETWEEN :start AND :end
-                ORDER BY timestamp ASC
-                """
-            condition_dict = {"symbol": symbol, "bar": bar, "start": start, "end": end}
-        elif start is not None:
-            sql = """
-                SELECT * FROM crypto_market_data
-                WHERE symbol = :symbol AND bar = :bar AND timestamp >= :start
-                ORDER BY timestamp ASC
-                """
-            condition_dict = {"symbol": symbol, "bar": bar, "start": start}
-        elif end is not None:
-            sql = """
-                SELECT * FROM crypto_market_data
-                WHERE symbol = :symbol AND bar = :bar AND timestamp <= :end
-                ORDER BY timestamp ASC
-                """
-            condition_dict = {"symbol": symbol, "bar": bar, "end": end}
-    return query(sql, condition_dict, db_url, return_multi=True)
-    
-def query(sql: str, condition_dict: dict, db_url: str, return_multi: bool = True):
-    """
-    查询数据
-    :param sql: 查询SQL
-    :param db_url: 数据库连接URL
-    """
-    try:
-        engine = create_engine(db_url)
-        with engine.connect() as conn:
-            result = conn.execute(text(sql), condition_dict)
-            if return_multi:
-                result = result.fetchall()
-                if result:
-                    result_list = [transform_data_type(dict(row._mapping)) for row in result]
-                    return result_list
-                else:
-                    return None
-            else:
-                result = result.fetchone()
-                if result:
-                    result_dict = transform_data_type(dict(result._mapping))
-                    return result_dict
-                else:
-                    return None
-    except Exception as e:
-        logging.error(f'查询数据出错: {e}')
-        return None
-    
-
     

core/db_market_data.py

@@ -0,0 +1,163 @@
+import pandas as pd
+import logging
+from core.db_manager import DBData
+from core.utils import check_date_time_format, datetime_to_timestamp
+
+logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s: %(message)s")
+
+
+class DBMarketData:
+    def __init__(
+        self, 
+        db_url: str
+    ):
+        self.db_url = db_url
+        self.table_name = "crypto_market_data"
+        self.columns = [
+        "symbol",
+        "bar",
+        "timestamp",
+        "date_time",
+        "open",
+        "high",
+        "low",
+        "close",
+        "volume",
+        "volCcy",
+        "volCCyQuote",
+        "create_time",
+        ]
+        self.db_manager = DBData(db_url, self.table_name, self.columns)
+
+    def insert_data_to_mysql(self, df: pd.DataFrame):
+        """
+        将K线行情数据保存到MySQL的crypto_market_data表
+        速度：⭐⭐⭐⭐⭐ 最快
+        内存：⭐⭐⭐⭐ 中等
+        适用场景：中小数据量（<10万条）
+        :param df: K线数据DataFrame
+        """
+        if df is None or df.empty:
+            logging.warning("DataFrame为空，无需写入数据库。")
+            return
+
+        self.db_manager.insert_data_to_mysql(df)
+    
+    def insert_data_to_mysql_fast(self, df: pd.DataFrame):
+        """
+        快速插入K线行情数据（方案2：使用executemany批量插入）
+        速度：⭐⭐⭐⭐ 很快
+        内存：⭐⭐⭐⭐⭐ 低
+        适用场景：中等数据量
+        :param df: K线数据DataFrame
+        """
+        if df is None or df.empty:
+            logging.warning("DataFrame为空，无需写入数据库。")
+            return
+        
+        self.db_manager.insert_data_to_mysql_fast(df)
+    
+    def insert_data_to_mysql_chunk(self, df: pd.DataFrame, chunk_size: int = 1000):
+        """
+        分块插入K线行情数据（方案3：适合大数据量）
+        速度：⭐⭐⭐ 中等
+        内存：⭐⭐⭐⭐⭐ 最低
+        适用场景：大数据量（>10万条）
+        :param df: K线数据DataFrame
+        :param chunk_size: 分块大小
+        """
+        if df is None or df.empty:
+            logging.warning("DataFrame为空，无需写入数据库。")
+            return
+        
+        self.db_manager.insert_data_to_mysql_chunk(df, chunk_size)
+    
+    def insert_data_to_mysql_simple(self, df: pd.DataFrame):
+        """
+        简单插入K线行情数据（方案4：直接使用to_sql，忽略重复）
+        速度：⭐⭐⭐⭐⭐ 最快
+        内存：⭐⭐⭐⭐ 中等
+        注意：会抛出重复键错误，需要额外处理
+        """
+        if df is None or df.empty:
+            logging.warning("DataFrame为空，无需写入数据库。")
+            return
+        
+        self.db_manager.insert_data_to_mysql_simple(df)
+    
+    def query_latest_data(self, symbol: str, bar: str):
+        """
+        查询最新数据
+        :param symbol: 交易对
+        :param bar: K线周期
+        """
+        sql = """
+        SELECT * FROM crypto_market_data
+        WHERE symbol = :symbol AND bar = :bar
+        ORDER BY timestamp DESC
+        LIMIT 1
+        """
+        condition_dict = {"symbol": symbol, "bar": bar}
+        return self.db_manager.query_data(sql, condition_dict, return_multi=False)
+    
+    def query_market_data_by_symbol_bar(self, symbol: str, bar: str, start: str, end: str):
+        """
+        根据交易对和K线周期查询数据
+        :param symbol: 交易对
+        :param bar: K线周期
+        :param start: 开始时间
+        :param end: 结束时间
+        """
+        if start is None or end is None:
+            sql = """
+                SELECT * FROM crypto_market_data
+                WHERE symbol = :symbol AND bar = :bar
+                ORDER BY timestamp ASC
+                """
+            condition_dict = {"symbol": symbol, "bar": bar}
+        else:
+            if start is not None:
+                if isinstance(start, str):
+                    if start.isdigit():
+                        start = int(start)
+                    else:
+                        start = check_date_time_format(start)
+                        # 判断是否是日期时间格式
+                        if start is None:
+                            logging.warning(f"日期时间格式错误: {start}")
+                            return None
+                        start = datetime_to_timestamp(start)
+            if end is not None:
+                if isinstance(end, str):
+                    if end.isdigit():
+                        end = int(end)
+                    else:
+                        end = check_date_time_format(end)
+                        if end is None:
+                            logging.warning(f"日期时间格式错误: {end}")
+                            return None
+                        end = datetime_to_timestamp(end)
+            if start is not None and end is not None:
+                if start > end:
+                    start, end = end, start
+                sql = """
+                    SELECT * FROM crypto_market_data
+                    WHERE symbol = :symbol AND bar = :bar AND timestamp BETWEEN :start AND :end
+                    ORDER BY timestamp ASC
+                    """
+                condition_dict = {"symbol": symbol, "bar": bar, "start": start, "end": end}
+            elif start is not None:
+                sql = """
+                    SELECT * FROM crypto_market_data
+                    WHERE symbol = :symbol AND bar = :bar AND timestamp >= :start
+                    ORDER BY timestamp ASC
+                    """
+                condition_dict = {"symbol": symbol, "bar": bar, "start": start}
+            elif end is not None:
+                sql = """
+                    SELECT * FROM crypto_market_data
+                    WHERE symbol = :symbol AND bar = :bar AND timestamp <= :end
+                    ORDER BY timestamp ASC
+                    """
+                condition_dict = {"symbol": symbol, "bar": bar, "end": end}
+        return self.db_manager.query_data(sql, condition_dict, return_multi=True)

core/statistics.py

@@ -1,4 +1,4 @@
-from core.db_manager import query_data_by_symbol_bar
+from core.db_manager import query_market_data_by_symbol_bar
 from pandas import DataFrame
 import logging
 import os
@@ -30,7 +30,7 @@ class Statistics:
         2. 每一个window的最新的volume是否高于该window的volume的均值+2倍标准差，如果满足条件，则增加一列：huge_volume，值为1
         3. 如果check_price为True，则检查:
         a. 每一个window的close是否处于该window的80%分位数及以上
-        b. 每一个window的close是否处于该window的20%分位数及以上
+        b. 每一个window的close是否处于该window的20%分位数及以下
 
         Args:
             data: 包含成交量数据的DataFrame

monitor_main.py

@@ -1,11 +1,18 @@
 import logging
 from time import sleep
 from core.data_monitor import DataMonitor
-from core.db_manager import insert_market_data_to_mysql, query_latest_data
+from core.db_market_data import DBMarketData
-from config import API_KEY, SECRET_KEY, PASSPHRASE, SANDBOX, \
+from config import (
-    MONITOR_CONFIG, MYSQL_CONFIG
+    API_KEY,
+    SECRET_KEY,
+    PASSPHRASE,
+    SANDBOX,
+    MONITOR_CONFIG,
+    MYSQL_CONFIG,
+)
+
+logging.basicConfig(level=logging.INFO, format="%(asctime)s %(levelname)s: %(message)s")
 
-logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s: %(message)s')
 
 class MonitorMain:
     def __init__(self):
@@ -14,10 +21,16 @@ class MonitorMain:
             secret_key=SECRET_KEY,
             passphrase=PASSPHRASE,
             sandbox=SANDBOX,
-            )
+        )
-        self.symbols = MONITOR_CONFIG.get("volume_monitor", {}).get("symbols", ["XCH-USDT"])
+        self.symbols = MONITOR_CONFIG.get("volume_monitor", {}).get(
-        self.intervals = MONITOR_CONFIG.get("volume_monitor", {}).get("intervals", ["5m", "15m", "1H", "4H", "1D"])
+            "symbols", ["XCH-USDT"]
-        self.initial_date = MONITOR_CONFIG.get("volume_monitor", {}).get("initial_date", "2025-07-01 00:00:00")
+        )
+        self.intervals = MONITOR_CONFIG.get("volume_monitor", {}).get(
+            "intervals", ["5m", "15m", "1H", "4H", "1D"]
+        )
+        self.initial_date = MONITOR_CONFIG.get("volume_monitor", {}).get(
+            "initial_date", "2025-07-01 00:00:00"
+        )
         mysql_user = MYSQL_CONFIG.get("user", "xch")
         mysql_password = MYSQL_CONFIG.get("password", "")
         if not mysql_password:
@@ -27,6 +40,7 @@ class MonitorMain:
         mysql_database = MYSQL_CONFIG.get("database", "okx")
 
         self.db_url = f"mysql+pymysql://{mysql_user}:{mysql_password}@{mysql_host}:{mysql_port}/{mysql_database}"
+        self.db_market_data = DBMarketData(self.db_url)
 
     def initial_data(self):
         """
@@ -34,9 +48,11 @@ class MonitorMain:
         """
         for symbol in self.symbols:
             for interval in self.intervals:
-                latest_data = query_latest_data(symbol, interval, self.db_url)
+                latest_data = self.db_market_data.query_latest_data(symbol, interval)
                 if latest_data:
-                    logging.info(f"已初始化{symbol}, {interval} 最新数据，请使用update_data()更新数据")
+                    logging.info(
+                        f"已初始化{symbol}, {interval} 最新数据，请使用update_data()更新数据"
+                    )
                     continue
                 self.fetch_save_data(symbol, interval, self.initial_date)
 
@@ -44,11 +60,11 @@ class MonitorMain:
         """
         获取保存数据
         """
-        data = self.data_monitor.get_historical_kline_data(symbol=symbol, 
+        data = self.data_monitor.get_historical_kline_data(
-        start=start, 
+            symbol=symbol, start=start, bar=interval
-        bar=interval)
+        )
         if data is not None and len(data) > 0:
-            insert_market_data_to_mysql(data, self.db_url)
+            self.db_market_data.insert_data_to_mysql(data)
 
     def update_data(self):
         """
@@ -60,7 +76,7 @@ class MonitorMain:
         """
         for symbol in self.symbols:
             for interval in self.intervals:
-                latest_data = query_latest_data(symbol, interval, self.db_url)
+                latest_data = self.db_market_data.query_latest_data(symbol, interval)
                 if not latest_data:
                     self.fetch_save_data(symbol, interval, self.initial_date)
                     continue
@@ -78,5 +94,3 @@ if __name__ == "__main__":
     monitor_main = MonitorMain()
     monitor_main.update_data()
     # monitor_main.initial_data()
-
-    

sql/query/sql_playground.sql

@@ -0,0 +1,3 @@
+select * from crypto_market_data
+WHERE symbol='XCH-USDT-SWAP' and bar='5m' and date_time > '2025-07-26'
+order by timestamp desc;

sql/table/crypto_market_data.sql

@@ -1,3 +1,6 @@
+-- 临时禁用安全模式
+SET SQL_SAFE_UPDATES = 0;
+
 CREATE TABLE IF NOT EXISTS crypto_market_data (
     id BIGINT AUTO_INCREMENT PRIMARY KEY,
     symbol VARCHAR(50) NOT NULL,
@@ -13,3 +16,9 @@ CREATE TABLE IF NOT EXISTS crypto_market_data (
     volCCyQuote DECIMAL(30,8) NOT NULL,
     UNIQUE KEY uniq_symbol_bar_timestamp (symbol, bar, timestamp)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+--添加一列create_time，格式为字符串
+ALTER TABLE crypto_market_data ADD COLUMN create_time VARCHAR(50);
+
+--更新create_time列的值为指定时间
+UPDATE crypto_market_data SET create_time = '2025-07-28 11:00:00' WHERE id > 0;

statistics_main.py

@@ -1,5 +1,6 @@
 from core.statistics import Statistics
-from core.db_manager import query_data_by_symbol_bar
+from core.db_market_data import DBMarketData
+from monitor_main import MonitorMain
 import logging
 from config import MONITOR_CONFIG, MYSQL_CONFIG
 from datetime import datetime
@@ -22,6 +23,8 @@ class StatisticsMain:
 
         self.db_url = f"mysql+pymysql://{mysql_user}:{mysql_password}@{mysql_host}:{mysql_port}/{mysql_database}"
         self.statistics = Statistics()
+        self.db_market_data = DBMarketData(self.db_url)
+        self.monitor_main = MonitorMain()
 
     def batch_detect_volume_spike(self, start: str, end: str):
         pass
@@ -40,7 +43,7 @@ class StatisticsMain:
             )
         if end is None:
             end = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
-        data = query_data_by_symbol_bar(symbol, bar, start, end, self.db_url)
+        data = self.db_market_data.query_market_data_by_symbol_bar(symbol, bar, start, end)
         if data is None:
             logging.warning(f"获取数据失败: {symbol} {bar} {start} {end}")
             return None
@@ -60,6 +63,9 @@ class StatisticsMain:
             output_excel=True,
         )
     
+    def update_volume_spike(self):
+        self.monitor_main.update_data()
+
 
 if __name__ == "__main__":
     statistics_main = StatisticsMain()

worklog.md

@@ -0,0 +1,17 @@
+# 2025-07-26
+Get huge volume based on historical data
+Window: 50
+Threshold: Mean + 2*std
+
+# 2025-07-28
+1. Save huge volume to mysql
+2. Support upgrade huge volume based on the latest market data
+a. upgrade the latest market data
+b. Get the one window period data (e.g. 50) according the earliest updated market data
+c. Calculate huge volume according to one window period data + updated data
+3. Retrospective trading analysis:
+huge volume:
+a. high price: The ratio of declines in the next three trading periods
+b. low price: The ratio of increases in the next three trading periods 
+
+