refactor: 提取数据同步逻辑为抽象基类
新增 base_sync.py 模块,提供三层抽象结构统一数据同步流程: - BaseDataSync: 所有同步类型的基础抽象(客户端、股票代码获取、交易日历) - StockBasedSync: 按股票同步抽象类(适用于 daily, pro_bar) - DateBasedSync: 按日期同步抽象类(适用于 bak_basic)
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@@ -189,7 +189,10 @@ class Storage:
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end_net_profit DOUBLE,
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update_flag VARCHAR(1),
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PRIMARY KEY (ts_code, end_date)
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update_flag VARCHAR(1),
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PRIMARY KEY (ts_code, end_date)
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)
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""")
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# Create pro_bar table for pro bar data (with adj, tor, vr)
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self._connection.execute("""
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