修改limit_up数据来源

limit_up.py

@@ -1,202 +1,333 @@
 import pandas as pd
 from sqlalchemy import text
 import argparse
-import re
+import tushare as ts
+from datetime import date
 
-from stock_config import get_engine
+from stock_config import TUSHARE_TOKEN, get_engine
 
 # --- 数据库配置 ---
 # 请根据实际情况修改数据库连接信息
 # DB_CONN_STR = 'mysql+pymysql://root:password@127.0.0.1:3306/stock_data'
-AK_START_DATE = pd.to_datetime("2026-04-01").date()
+LOCAL_START_DATE = date(2018, 1, 1)
+TUSHARE_LIMIT_LIST_START_DATE = date(2020, 1, 1)
+COMBINED_TABLE = "stock_limit_combined_data"
 
 
-def normalize_stock_name(value):
-    if pd.isna(value):
-        return ""
+def normalize_trade_dates(trade_dates):
+    return sorted({pd.to_datetime(trade_date).date() for trade_date in trade_dates})
 
-    text_value = str(value).upper()
-    text_value = re.sub(r"\s+", "", text_value)
-    text_value = re.sub(r"[\*＊·・.。,_，、/\\()（）\[\]【】\-—_]+", "", text_value)
 
-    for marker in ["行权", "除权", "复权"]:
-        text_value = text_value.replace(marker, "")
-
-    return text_value
+def filter_dates_by_start(trade_dates, start_date, source_name):
+    normalized_dates = normalize_trade_dates(trade_dates)
+    filtered_dates = [trade_date for trade_date in normalized_dates if trade_date >= start_date]
+    skipped_count = len(normalized_dates) - len(filtered_dates)
+    if skipped_count:
+        print(f"ℹ️ {source_name} 跳过 {skipped_count} 个早于 {start_date} 的交易日。")
+    return filtered_dates
 
 
 def init_db(engine):
     """
     初始化数据库表结构
     """
-    create_table_sql = """
-    CREATE TABLE IF NOT EXISTS `stock_limit_data` (
+    with engine.begin() as conn:
+        conn.execute(text(get_combined_table_sql()))
+        optimize_combined_table(conn)
+
+
+def get_combined_table_sql():
+    return f"""
+    CREATE TABLE IF NOT EXISTS `{COMBINED_TABLE}` (
         `id` BIGINT AUTO_INCREMENT PRIMARY KEY,
         `trade_date` DATE NOT NULL COMMENT '交易日期',
-        `symbol` VARCHAR(10) NOT NULL COMMENT '股票代码',
-        `ts_code` VARCHAR(20) NOT NULL COMMENT 'TS股票代码',
-        `name` VARCHAR(50) NOT NULL COMMENT '股票名称',
-        `status` TINYINT NOT NULL COMMENT '状态：1-涨停，2-炸板',
-        `limit_price` DECIMAL(16, 4) COMMENT '计算出的理论涨停价',
-        `close` DECIMAL(16, 4) COMMENT '实际收盘价',
-        `vol` BIGINT COMMENT '成交量',
+        `symbol` VARCHAR(10) NOT NULL COMMENT '股票代码，以stock_daily为准',
+        `ts_code` VARCHAR(20) NOT NULL COMMENT 'TS股票代码，以stock_daily为准',
+        `name` VARCHAR(50) NOT NULL COMMENT '股票名称，以stock_daily关联基础表为准',
+        `final_status` TINYINT NOT NULL COMMENT '融合状态：1-涨停，2-炸板',
+        `source_count` INT NOT NULL DEFAULT 0 COMMENT '命中的数据源数量',
+        `source_flags` VARCHAR(50) COMMENT '命中的数据源：calc,tushare',
+        `calc_status` TINYINT COMMENT '本地行情计算状态：1-涨停，2-炸板',
+        `calc_limit_price` DECIMAL(16, 4) COMMENT '本地行情计算涨停价',
+        `calc_high` DECIMAL(16, 4) COMMENT 'stock_daily最高价',
+        `calc_close` DECIMAL(16, 4) COMMENT 'stock_daily收盘价',
+        `calc_pre_close` DECIMAL(16, 4) COMMENT 'stock_daily前收盘价',
+        `vol` BIGINT COMMENT 'stock_daily成交量',
+        `calc_vol` BIGINT COMMENT 'stock_daily成交量',
         `market` VARCHAR(20) COMMENT '所属板块',
-        `ak_code` VARCHAR(10) COMMENT 'AKShare-代码',
-        `ak_name` VARCHAR(50) COMMENT 'AKShare-名称',
-        `ak_pct_chg` DECIMAL(10, 4) COMMENT 'AKShare-涨跌幅',
-        `ak_latest_price` DECIMAL(16, 4) COMMENT 'AKShare-最新价',
-        `ak_amount` DECIMAL(24, 4) COMMENT 'AKShare-成交额',
-        `ak_float_market_value` DECIMAL(24, 4) COMMENT 'AKShare-流通市值',
-        `ak_total_market_value` DECIMAL(24, 4) COMMENT 'AKShare-总市值',
-        `ak_turnover_rate` DECIMAL(10, 4) COMMENT 'AKShare-换手率',
-        `ak_seal_amount` DECIMAL(24, 4) COMMENT 'AKShare-封板资金',
-        `ak_first_limit_time` VARCHAR(20) COMMENT 'AKShare-首次封板时间',
-        `ak_last_limit_time` VARCHAR(20) COMMENT 'AKShare-最后封板时间',
-        `ak_break_limit_count` INT COMMENT 'AKShare-炸板次数',
-        `ak_limit_up_stat` VARCHAR(50) COMMENT 'AKShare-涨停统计',
-        `ak_limit_up_days` INT COMMENT 'AKShare-连板数',
-        `ak_industry` VARCHAR(100) COMMENT 'AKShare-所属行业',
-        UNIQUE KEY `uniq_date_code` (`trade_date`, `ts_code`)
-    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+        `tushare_limit_type` VARCHAR(1) COMMENT 'Tushare-D跌停U涨停Z炸板',
+        `tushare_industry` VARCHAR(100) COMMENT 'Tushare-所属行业',
+        `tushare_name` VARCHAR(50) COMMENT 'Tushare-名称',
+        `tushare_close` DECIMAL(16, 4) COMMENT 'Tushare-收盘价',
+        `tushare_pct_chg` DECIMAL(10, 4) COMMENT 'Tushare-涨跌幅',
+        `tushare_amount` DECIMAL(24, 4) COMMENT 'Tushare-成交额',
+        `tushare_limit_amount` DECIMAL(24, 4) COMMENT 'Tushare-板上成交金额',
+        `tushare_float_mv` DECIMAL(24, 4) COMMENT 'Tushare-流通市值',
+        `tushare_total_mv` DECIMAL(24, 4) COMMENT 'Tushare-总市值',
+        `tushare_turnover_ratio` DECIMAL(10, 4) COMMENT 'Tushare-换手率',
+        `tushare_fd_amount` DECIMAL(24, 4) COMMENT 'Tushare-封单金额',
+        `tushare_first_time` VARCHAR(20) COMMENT 'Tushare-首次封板时间',
+        `tushare_last_time` VARCHAR(20) COMMENT 'Tushare-最后封板时间',
+        `tushare_open_times` INT COMMENT 'Tushare-炸板/开板次数',
+        `tushare_up_stat` VARCHAR(50) COMMENT 'Tushare-涨停统计',
+        `tushare_limit_times` INT COMMENT 'Tushare-连板数',
+        UNIQUE KEY `uniq_date_code` (`trade_date`, `ts_code`),
+        KEY `idx_trade_date` (`trade_date`),
+        KEY `idx_symbol` (`symbol`)
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
     """
-    with engine.begin() as conn:
-        conn.execute(text(create_table_sql))
-        ensure_base_columns(conn)
-        ensure_ak_columns(conn)
 
 
-def ensure_base_columns(conn):
-    existing_columns = {
+def get_table_columns(conn, table_name):
+    return {
         row[0]
-        for row in conn.execute(text("SHOW COLUMNS FROM `stock_limit_data`")).fetchall()
-    }
-    base_columns = {
-        "vol": "BIGINT COMMENT '成交量'",
+        for row in conn.execute(text(f"SHOW COLUMNS FROM `{table_name}`")).fetchall()
     }
 
-    for column_name, column_def in base_columns.items():
+
+def index_exists(conn, table_name, index_name):
+    return conn.execute(
+        text(
+            """
+            SELECT 1
+            FROM information_schema.statistics
+            WHERE table_schema = DATABASE()
+              AND table_name = :table_name
+              AND index_name = :index_name
+            LIMIT 1
+            """
+        ),
+        {"table_name": table_name, "index_name": index_name},
+    ).first() is not None
+
+
+def ensure_combined_columns(conn):
+    existing_columns = get_table_columns(conn, COMBINED_TABLE)
+    columns = {
+        "vol": "BIGINT COMMENT 'stock_daily成交量'",
+        "calc_vol": "BIGINT COMMENT 'stock_daily成交量'",
+    }
+
+    for column_name, column_def in columns.items():
         if column_name not in existing_columns:
-            conn.execute(text(f"ALTER TABLE `stock_limit_data` ADD COLUMN `{column_name}` {column_def}"))
+            after_column = "calc_pre_close" if column_name == "vol" else "vol"
+            conn.execute(
+                text(
+                    f"ALTER TABLE `{COMBINED_TABLE}` "
+                    f"ADD COLUMN `{column_name}` {column_def} AFTER `{after_column}`"
+                )
+            )
 
 
-def ensure_ak_columns(conn):
-    existing_columns = {
-        row[0]
-        for row in conn.execute(text("SHOW COLUMNS FROM `stock_limit_data`")).fetchall()
-    }
-    ak_columns = {
-        "ak_code": "VARCHAR(10) COMMENT 'AKShare-代码'",
-        "ak_name": "VARCHAR(50) COMMENT 'AKShare-名称'",
-        "ak_pct_chg": "DECIMAL(10, 4) COMMENT 'AKShare-涨跌幅'",
-        "ak_latest_price": "DECIMAL(16, 4) COMMENT 'AKShare-最新价'",
-        "ak_amount": "DECIMAL(24, 4) COMMENT 'AKShare-成交额'",
-        "ak_float_market_value": "DECIMAL(24, 4) COMMENT 'AKShare-流通市值'",
-        "ak_total_market_value": "DECIMAL(24, 4) COMMENT 'AKShare-总市值'",
-        "ak_turnover_rate": "DECIMAL(10, 4) COMMENT 'AKShare-换手率'",
-        "ak_seal_amount": "DECIMAL(24, 4) COMMENT 'AKShare-封板资金'",
-        "ak_first_limit_time": "VARCHAR(20) COMMENT 'AKShare-首次封板时间'",
-        "ak_last_limit_time": "VARCHAR(20) COMMENT 'AKShare-最后封板时间'",
-        "ak_break_limit_count": "INT COMMENT 'AKShare-炸板次数'",
-        "ak_limit_up_stat": "VARCHAR(50) COMMENT 'AKShare-涨停统计'",
-        "ak_limit_up_days": "INT COMMENT 'AKShare-连板数'",
-        "ak_industry": "VARCHAR(100) COMMENT 'AKShare-所属行业'",
-    }
-
-    for column_name, column_def in ak_columns.items():
-        if column_name not in existing_columns:
-            conn.execute(text(f"ALTER TABLE `stock_limit_data` ADD COLUMN `{column_name}` {column_def}"))
+def sync_combined_vol_from_daily(conn):
+    conn.execute(
+        text(
+            f"""
+            UPDATE `{COMBINED_TABLE}` c
+            JOIN `stock_daily` d
+              ON c.trade_date = d.trade_date
+             AND c.ts_code COLLATE utf8mb4_unicode_ci = d.ts_code COLLATE utf8mb4_unicode_ci
+            SET c.symbol = d.symbol,
+                c.vol = d.vol,
+                c.calc_vol = d.vol
+            """
+        )
+    )
 
 
-def fetch_ak_limit_pool(trade_dates):
-    try:
-        import akshare as ak
-    except ImportError as exc:
-        raise RuntimeError("缺少 akshare 依赖，请先安装: pip install akshare") from exc
+def dedupe_combined_table(conn):
+    conn.execute(
+        text(
+            f"""
+            DELETE c
+            FROM `{COMBINED_TABLE}` c
+            LEFT JOIN `stock_daily` d
+              ON c.trade_date = d.trade_date
+             AND c.ts_code COLLATE utf8mb4_unicode_ci = d.ts_code COLLATE utf8mb4_unicode_ci
+            WHERE d.ts_code IS NULL
+            """
+        )
+    )
+    conn.execute(
+        text(
+            f"""
+            DELETE c1
+            FROM `{COMBINED_TABLE}` c1
+            JOIN `{COMBINED_TABLE}` c2
+              ON c1.trade_date = c2.trade_date
+             AND c1.ts_code COLLATE utf8mb4_unicode_ci = c2.ts_code COLLATE utf8mb4_unicode_ci
+            WHERE
+                (
+                    COALESCE(c1.source_count, 0) * 10
+                    + IF(c1.calc_status IS NOT NULL, 4, 0)
+                    + IF(c1.tushare_limit_type IS NOT NULL, 2, 0)
+                    + IF(c1.vol IS NOT NULL OR c1.calc_vol IS NOT NULL, 1, 0)
+                ) <
+                (
+                    COALESCE(c2.source_count, 0) * 10
+                    + IF(c2.calc_status IS NOT NULL, 4, 0)
+                    + IF(c2.tushare_limit_type IS NOT NULL, 2, 0)
+                    + IF(c2.vol IS NOT NULL OR c2.calc_vol IS NOT NULL, 1, 0)
+                )
+                OR (
+                    (
+                        COALESCE(c1.source_count, 0) * 10
+                        + IF(c1.calc_status IS NOT NULL, 4, 0)
+                        + IF(c1.tushare_limit_type IS NOT NULL, 2, 0)
+                        + IF(c1.vol IS NOT NULL OR c1.calc_vol IS NOT NULL, 1, 0)
+                    ) =
+                    (
+                        COALESCE(c2.source_count, 0) * 10
+                        + IF(c2.calc_status IS NOT NULL, 4, 0)
+                        + IF(c2.tushare_limit_type IS NOT NULL, 2, 0)
+                        + IF(c2.vol IS NOT NULL OR c2.calc_vol IS NOT NULL, 1, 0)
+                    )
+                    AND c1.id < c2.id
+                )
+            """
+        )
+    )
+
+
+def ensure_combined_indexes(conn):
+    dedupe_combined_table(conn)
+    if not index_exists(conn, COMBINED_TABLE, "uniq_date_code"):
+        conn.execute(
+            text(
+                f"ALTER TABLE `{COMBINED_TABLE}` "
+                "ADD UNIQUE KEY `uniq_date_code` (`trade_date`, `ts_code`)"
+            )
+        )
+    if not index_exists(conn, COMBINED_TABLE, "idx_trade_date"):
+        conn.execute(
+            text(f"ALTER TABLE `{COMBINED_TABLE}` ADD KEY `idx_trade_date` (`trade_date`)")
+        )
+    if not index_exists(conn, COMBINED_TABLE, "idx_symbol"):
+        conn.execute(
+            text(f"ALTER TABLE `{COMBINED_TABLE}` ADD KEY `idx_symbol` (`symbol`)")
+        )
+    if not index_exists(conn, COMBINED_TABLE, "idx_trade_date_status"):
+        conn.execute(
+            text(
+                f"ALTER TABLE `{COMBINED_TABLE}` "
+                "ADD KEY `idx_trade_date_status` (`trade_date`, `final_status`)"
+            )
+        )
+
+
+def optimize_combined_table(conn):
+    ensure_combined_columns(conn)
+    sync_combined_vol_from_daily(conn)
+    ensure_combined_indexes(conn)
+
+
+def fetch_tushare_limit_list(trade_dates):
+    tushare_trade_dates = filter_dates_by_start(
+        trade_dates,
+        TUSHARE_LIMIT_LIST_START_DATE,
+        "Tushare limit_list_d",
+    )
+    if not tushare_trade_dates:
+        return pd.DataFrame(columns=["trade_date", "symbol", "ts_code"])
+
+    ts.set_token(TUSHARE_TOKEN)
+    pro = ts.pro_api()
 
     frames = []
-    for trade_date in trade_dates:
-        trade_day = pd.to_datetime(trade_date).date()
-        if trade_day < AK_START_DATE:
-            continue
+    fields = (
+        "trade_date,ts_code,industry,name,close,pct_chg,amount,limit_amount,"
+        "float_mv,total_mv,turnover_ratio,fd_amount,first_time,last_time,"
+        "open_times,up_stat,limit_times,limit"
+    )
+    for trade_date in tushare_trade_dates:
+        tushare_date = pd.to_datetime(trade_date).strftime("%Y%m%d")
+        for limit_type in ("U", "Z"):
+            try:
+                ts_df = pro.limit_list_d(
+                    trade_date=tushare_date,
+                    limit_type=limit_type,
+                    fields=fields,
+                )
+            except Exception as exc:
+                print(f"⚠️ Tushare limit_list_d 获取失败: {tushare_date} {limit_type}, 错误: {exc}")
+                continue
 
-        ak_date = pd.to_datetime(trade_date).strftime("%Y%m%d")
-        try:
-            ak_df = ak.stock_zt_pool_em(date=ak_date)
-        except Exception as exc:
-            print(f"⚠️ AKShare 涨停池获取失败: {ak_date}, 错误: {exc}")
-            continue
+            if ts_df is None or ts_df.empty:
+                continue
 
-        if ak_df is None or ak_df.empty:
-            continue
-
-        normalized_df = normalize_ak_limit_pool(ak_df, trade_date)
-        if not normalized_df.empty:
-            frames.append(normalized_df)
+            normalized_df = normalize_tushare_limit_list(ts_df)
+            if not normalized_df.empty:
+                frames.append(normalized_df)
 
     if not frames:
-        return pd.DataFrame(columns=["trade_date", "symbol", "name"])
+        return pd.DataFrame(columns=["trade_date", "symbol", "ts_code"])
 
-    return pd.concat(frames, ignore_index=True)
+    return pd.concat(frames, ignore_index=True).drop_duplicates(
+        subset=["trade_date", "ts_code", "tushare_limit_type"],
+        keep="first",
+    )
 
 
-def normalize_ak_limit_pool(ak_df, trade_date):
+def normalize_tushare_limit_list(ts_df):
     column_map = {
-        "代码": "ak_code",
-        "名称": "ak_name",
-        "涨跌幅": "ak_pct_chg",
-        "最新价": "ak_latest_price",
-        "成交额": "ak_amount",
-        "流通市值": "ak_float_market_value",
-        "总市值": "ak_total_market_value",
-        "换手率": "ak_turnover_rate",
-        "封板资金": "ak_seal_amount",
-        "首次封板时间": "ak_first_limit_time",
-        "最后封板时间": "ak_last_limit_time",
-        "炸板次数": "ak_break_limit_count",
-        "涨停统计": "ak_limit_up_stat",
-        "连板数": "ak_limit_up_days",
-        "所属行业": "ak_industry",
+        "limit": "tushare_limit_type",
+        "industry": "tushare_industry",
+        "name": "tushare_name",
+        "close": "tushare_close",
+        "pct_chg": "tushare_pct_chg",
+        "amount": "tushare_amount",
+        "limit_amount": "tushare_limit_amount",
+        "float_mv": "tushare_float_mv",
+        "total_mv": "tushare_total_mv",
+        "turnover_ratio": "tushare_turnover_ratio",
+        "fd_amount": "tushare_fd_amount",
+        "first_time": "tushare_first_time",
+        "last_time": "tushare_last_time",
+        "open_times": "tushare_open_times",
+        "up_stat": "tushare_up_stat",
+        "limit_times": "tushare_limit_times",
     }
 
-    missing_columns = [column for column in column_map if column not in ak_df.columns]
-    if missing_columns:
-        print(f"⚠️ AKShare 返回字段缺失，已跳过缺失字段: {', '.join(missing_columns)}")
-
-    if "代码" not in ak_df.columns or "名称" not in ak_df.columns:
-        return pd.DataFrame(columns=["trade_date", "symbol", "name"])
+    required_columns = {"trade_date", "ts_code", "limit"}
+    if not required_columns.issubset(ts_df.columns):
+        missing_columns = sorted(required_columns - set(ts_df.columns))
+        print(f"⚠️ Tushare 返回字段缺失，已跳过: {', '.join(missing_columns)}")
+        return pd.DataFrame(columns=["trade_date", "symbol", "ts_code"])
 
     available_map = {
-        source: target for source, target in column_map.items() if source in ak_df.columns
+        source: target for source, target in column_map.items() if source in ts_df.columns
     }
-    normalized_df = ak_df[list(available_map)].rename(columns=available_map).copy()
-    normalized_df["trade_date"] = pd.to_datetime(trade_date).date()
-    normalized_df["symbol"] = (
-        normalized_df["ak_code"].astype(str).str.extract(r"(\d+)", expand=False).str.zfill(6)
-    )
-    normalized_df["name"] = normalized_df["ak_name"].astype(str).str.strip()
-    normalized_df["normalized_name"] = normalized_df["name"].apply(normalize_stock_name)
+    normalized_df = ts_df[["trade_date", "ts_code", *available_map]].rename(
+        columns=available_map
+    ).copy()
+    normalized_df["trade_date"] = pd.to_datetime(
+        normalized_df["trade_date"], format="%Y%m%d"
+    ).dt.date
+    normalized_df["ts_code"] = normalized_df["ts_code"].astype(str).str.strip()
+    normalized_df["symbol"] = normalized_df["ts_code"].str.split(".").str[0].str.zfill(6)
 
     for column in [
-        "ak_pct_chg",
-        "ak_latest_price",
-        "ak_amount",
-        "ak_float_market_value",
-        "ak_total_market_value",
-        "ak_turnover_rate",
-        "ak_seal_amount",
-        "ak_break_limit_count",
-        "ak_limit_up_days",
+        "tushare_close",
+        "tushare_pct_chg",
+        "tushare_amount",
+        "tushare_limit_amount",
+        "tushare_float_mv",
+        "tushare_total_mv",
+        "tushare_turnover_ratio",
+        "tushare_fd_amount",
+        "tushare_open_times",
+        "tushare_limit_times",
     ]:
         if column in normalized_df.columns:
             normalized_df[column] = pd.to_numeric(normalized_df[column], errors="coerce")
 
     for column in [
-        "ak_code",
-        "ak_name",
-        "ak_first_limit_time",
-        "ak_last_limit_time",
-        "ak_limit_up_stat",
-        "ak_industry",
+        "tushare_limit_type",
+        "tushare_industry",
+        "tushare_name",
+        "tushare_first_time",
+        "tushare_last_time",
+        "tushare_up_stat",
     ]:
         if column in normalized_df.columns:
             normalized_df[column] = normalized_df[column].astype(str)
@@ -204,54 +335,158 @@ def normalize_ak_limit_pool(ak_df, trade_date):
     return normalized_df
 
 
-def merge_ak_limit_pool(final_df, ak_df):
-    ak_columns = [
-        "ak_code",
-        "ak_name",
-        "ak_pct_chg",
-        "ak_latest_price",
-        "ak_amount",
-        "ak_float_market_value",
-        "ak_total_market_value",
-        "ak_turnover_rate",
-        "ak_seal_amount",
-        "ak_first_limit_time",
-        "ak_last_limit_time",
-        "ak_break_limit_count",
-        "ak_limit_up_stat",
-        "ak_limit_up_days",
-        "ak_industry",
+def build_combined_limit_data(daily_df, calc_df, tushare_df):
+    tushare_columns = [
+        "tushare_limit_type",
+        "tushare_industry",
+        "tushare_name",
+        "tushare_close",
+        "tushare_pct_chg",
+        "tushare_amount",
+        "tushare_limit_amount",
+        "tushare_float_mv",
+        "tushare_total_mv",
+        "tushare_turnover_ratio",
+        "tushare_fd_amount",
+        "tushare_first_time",
+        "tushare_last_time",
+        "tushare_open_times",
+        "tushare_up_stat",
+        "tushare_limit_times",
     ]
-    for column in ak_columns:
-        if column not in ak_df.columns:
-            ak_df[column] = None
 
-    final_df["normalized_name"] = final_df["name"].apply(normalize_stock_name)
-    if "normalized_name" not in ak_df.columns:
-        ak_df["normalized_name"] = ak_df["name"].apply(normalize_stock_name)
+    for column in tushare_columns:
+        if column not in tushare_df.columns:
+            tushare_df[column] = None
 
-    merge_keys = ["trade_date", "symbol"]
-    ak_merge_df = ak_df[
-        merge_keys + ["normalized_name"] + ak_columns
-    ].drop_duplicates(subset=merge_keys)
-    merged_df = final_df.merge(
-        ak_merge_df,
-        how="left",
-        on=merge_keys,
-        suffixes=("", "_ak_match"),
+    calc_key_df = pd.DataFrame(columns=["trade_date", "symbol"])
+    if not calc_df.empty:
+        calc_key_df = calc_df[["trade_date", "symbol"]].copy()
+    tushare_key_df = pd.DataFrame(columns=["trade_date", "symbol"])
+    if not tushare_df.empty:
+        tushare_key_df = tushare_df[["trade_date", "symbol"]].copy()
+
+    keys_df = pd.concat(
+        [calc_key_df, tushare_key_df],
+        ignore_index=True,
+    ).drop_duplicates()
+    if keys_df.empty:
+        return pd.DataFrame()
+
+    for frame in [daily_df, calc_df, tushare_df, keys_df]:
+        if "trade_date" in frame.columns:
+            frame["trade_date"] = pd.to_datetime(frame["trade_date"]).dt.date
+        if "symbol" in frame.columns:
+            frame["symbol"] = frame["symbol"].astype(str).str.zfill(6)
+    keys_df = keys_df.drop_duplicates(subset=["trade_date", "symbol"])
+
+    canonical_df = daily_df[[
+        "trade_date",
+        "symbol",
+        "ts_code",
+        "name",
+        "high",
+        "close",
+        "pre_close",
+        "vol",
+        "market",
+    ]].drop_duplicates(subset=["trade_date", "symbol"])
+    combined_df = keys_df.merge(
+        canonical_df,
+        how="inner",
+        on=["trade_date", "symbol"],
     )
-    name_mismatch = (
-        merged_df["ak_code"].notna()
-        & merged_df["normalized_name_ak_match"].notna()
-        & (merged_df["normalized_name"] != merged_df["normalized_name_ak_match"])
-    )
-    if name_mismatch.any():
-        print(f"⚠️ 有 {int(name_mismatch.sum())} 条记录代码一致但名称不一致，已按代码合并 AKShare 字段。")
+    if combined_df.empty:
+        return pd.DataFrame()
 
-    return merged_df[[
-        "trade_date", "symbol", "ts_code", "name", "status", "limit_price", "close", "vol", "market",
-        *ak_columns,
-    ]]
+    if not calc_df.empty:
+        calc_merge_df = calc_df[[
+            "trade_date",
+            "symbol",
+            "status",
+            "limit_price",
+        ]].rename(columns={
+            "status": "calc_status",
+            "limit_price": "calc_limit_price",
+        })
+        combined_df = combined_df.merge(
+            calc_merge_df,
+            how="left",
+            on=["trade_date", "symbol"],
+        )
+    else:
+        combined_df["calc_status"] = None
+        combined_df["calc_limit_price"] = None
+
+    if not tushare_df.empty:
+        tushare_merge_df = tushare_df[
+            ["trade_date", "symbol", *tushare_columns]
+        ].sort_values("tushare_limit_type").drop_duplicates(
+            subset=["trade_date", "symbol"],
+            keep="last",
+        )
+        combined_df = combined_df.merge(
+            tushare_merge_df,
+            how="left",
+            on=["trade_date", "symbol"],
+        )
+    else:
+        for column in tushare_columns:
+            combined_df[column] = None
+
+    combined_df["calc_high"] = combined_df["high"]
+    combined_df["calc_close"] = combined_df["close"]
+    combined_df["calc_pre_close"] = combined_df["pre_close"]
+    combined_df["vol"] = combined_df["vol"]
+    combined_df["calc_vol"] = combined_df["vol"]
+
+    combined_df["final_status"] = combined_df.apply(resolve_final_status, axis=1)
+    combined_df["source_flags"] = combined_df.apply(resolve_source_flags, axis=1)
+    combined_df["source_count"] = combined_df["source_flags"].apply(
+        lambda value: 0 if not value else len(value.split(","))
+    )
+    combined_df["name"] = combined_df["name"].astype(str).str.strip()
+
+    result_df = combined_df[[
+        "trade_date",
+        "symbol",
+        "ts_code",
+        "name",
+        "final_status",
+        "source_count",
+        "source_flags",
+        "calc_status",
+        "calc_limit_price",
+        "calc_high",
+        "calc_close",
+        "calc_pre_close",
+        "vol",
+        "calc_vol",
+        "market",
+        *tushare_columns,
+    ]].copy()
+    result_df = result_df.sort_values(
+        ["trade_date", "ts_code", "source_count"],
+        ascending=[True, True, False],
+    )
+    return result_df.drop_duplicates(subset=["trade_date", "ts_code"], keep="first")
+
+
+def resolve_final_status(row):
+    if pd.notna(row.get("calc_status")):
+        return int(row["calc_status"])
+    if row.get("tushare_limit_type") == "Z":
+        return 2
+    return 1
+
+
+def resolve_source_flags(row):
+    flags = []
+    if pd.notna(row.get("calc_status")):
+        flags.append("calc")
+    if pd.notna(row.get("tushare_limit_type")):
+        flags.append("tushare")
+    return ",".join(flags)
 
 
 def analyze_and_save_limits(start_date, end_date):
@@ -263,15 +498,21 @@ def analyze_and_save_limits(start_date, end_date):
     # 0. 初始化检查表结构
     init_db(engine)
 
+    requested_start_date = pd.to_datetime(start_date).date()
+    if requested_start_date < LOCAL_START_DATE:
+        print(f"ℹ️ 本地 stock_daily 暂按 {LOCAL_START_DATE} 起处理，已忽略更早日期。")
+
     # 1. 获取基础数据和行情数据
     query = text("""
     SELECT 
         d.trade_date, d.symbol, d.ts_code, b.name, 
         d.high, d.close, d.pre_close, d.vol, b.market
     FROM stock_daily d
-    JOIN stock_basic b ON d.ts_code = b.ts_code
+    JOIN stock_basic b
+      ON d.ts_code COLLATE utf8mb4_unicode_ci = b.ts_code COLLATE utf8mb4_unicode_ci
     WHERE d.trade_date > :start_date
       AND d.trade_date <= :end_date
+      AND d.trade_date >= :local_start_date
       AND d.pre_close IS NOT NULL
     ORDER BY d.trade_date ASC
     """)
@@ -280,7 +521,11 @@ def analyze_and_save_limits(start_date, end_date):
         df = pd.read_sql(
             query,
             engine,
-            params={"start_date": start_date, "end_date": end_date},
+            params={
+                "start_date": start_date,
+                "end_date": end_date,
+                "local_start_date": LOCAL_START_DATE,
+            },
         )
         if df.empty:
             print(f"⚠️ 在指定区间 ({start_date} -> {end_date}] 内未获取到数据。")
@@ -308,35 +553,35 @@ def analyze_and_save_limits(start_date, end_date):
         save_df = pd.concat([limit_df, broken_df])
 
         target_dates = df['trade_date'].astype(str).unique()
-        ak_df = fetch_ak_limit_pool(target_dates)
+        tushare_df = fetch_tushare_limit_list(target_dates)
+        combined_df = build_combined_limit_data(df.copy(), save_df.copy(), tushare_df.copy())
 
         with engine.begin() as conn:
             delete_params = {
                 f"date_{idx}": value for idx, value in enumerate(target_dates)
             }
             placeholders = ", ".join(f":date_{idx}" for idx in range(len(target_dates)))
-            delete_query = text(
-                f"DELETE FROM stock_limit_data WHERE trade_date IN ({placeholders})"
+            combined_delete_query = text(
+                f"DELETE FROM {COMBINED_TABLE} WHERE trade_date IN ({placeholders})"
             )
-            conn.execute(delete_query, delete_params)
+            conn.execute(combined_delete_query, delete_params)
 
-            if not save_df.empty:
-                final_df = save_df[[
-                    'trade_date', 'symbol', 'ts_code', 'name',
-                    'status', 'limit_price', 'close', 'vol', 'market'
-                ]].copy()
-                final_df["trade_date"] = pd.to_datetime(final_df["trade_date"]).dt.date
-                final_df["symbol"] = final_df["symbol"].astype(str).str.zfill(6)
-                final_df["name"] = final_df["name"].astype(str).str.strip()
-                final_df = merge_ak_limit_pool(final_df, ak_df)
-                final_df.to_sql('stock_limit_data', conn, if_exists='append', index=False)
+            if not combined_df.empty:
+                combined_df.to_sql(
+                    COMBINED_TABLE,
+                    conn,
+                    if_exists='append',
+                    index=False,
+                    chunksize=1000,
+                    method="multi",
+                )
 
         if not save_df.empty:
-            matched_count = int(final_df["ak_code"].notna().sum())
             print(f"✅ 处理成功！涉及交易日: {len(target_dates)} 天")
-            print(f"📊 总计入库: {len(final_df)} 条记录，AKShare 匹配补充: {matched_count} 条。")
+            print(f"📊 融合表 {COMBINED_TABLE} 入库: {len(combined_df)} 条记录。")
         else:
-            print(f"ℹ️ 该时段内全市场无涨停或炸板记录，已清理 {len(target_dates)} 个交易日的旧结果。")
+            print(f"ℹ️ 该时段内本地行情无涨停或炸板记录，已清理 {len(target_dates)} 个交易日的融合表旧结果。")
+            print(f"📊 融合表 {COMBINED_TABLE} 入库: {len(combined_df)} 条记录。")
         return True
 
     except Exception as e:
@@ -344,15 +589,35 @@ def analyze_and_save_limits(start_date, end_date):
         return False
 
 
+def cleanup_combined_data():
+    engine = get_engine()
+    try:
+        init_db(engine)
+        print(f"✅ {COMBINED_TABLE} 已完成历史重复数据清理、唯一索引检查和 vol 回填。")
+        return True
+    except Exception as e:
+        print(f"❌ 清理失败: {e}")
+        return False
+
+
 # ============================================================
 # 用户配置区
 # ============================================================
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(description="计算并保存涨停/炸板数据")
-    parser.add_argument("--start-date", default="2026-04-29", help="开始日期，格式 YYYY-MM-DD，实际查询为大于该日期")
+    parser.add_argument("--start-date", default="2026-03-02", help="开始日期，格式 YYYY-MM-DD，实际查询为大于该日期")
     parser.add_argument("--end-date", default="2026-04-30", help="结束日期，格式 YYYY-MM-DD")
+    parser.add_argument(
+        "--cleanup-only",
+        action="store_true",
+        help="仅清理 stock_limit_combined_data 历史重复数据并从 stock_daily 回填 vol",
+    )
     args = parser.parse_args()
 
+    if args.cleanup_only:
+        cleanup_combined_data()
+        raise SystemExit(0)
+
     # 开始日期：计算从该日期的下一个交易日开始
     START_DATE = args.start_date