修复首页健康摘要兼容旧版数据库连接管理器
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@@ -80,7 +80,12 @@ def _extract_mysql_runtime_snapshot(db_manager) -> dict:
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snapshot = {
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"status": "healthy",
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"summary": "连接正常",
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"database": db_manager.get_mysql_database_name(),
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# 这里不要假定 db_manager 一定实现了扩展 helper。
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# 当前仓库存在多种 DBConnectionManager 版本,因此先走 getattr,再在 SQL 查询里补足真实值。
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"database": (
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str(getattr(db_manager, "get_mysql_database_name", lambda: "")() or "").strip()
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if db_manager is not None else ""
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),
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"version": "",
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"threads_connected": 0,
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"threads_running": 0,
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@@ -90,7 +95,10 @@ def _extract_mysql_runtime_snapshot(db_manager) -> dict:
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"uptime_seconds": 0,
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"table_count": 0,
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"schema_size_mb": 0.0,
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"slow_query_threshold_ms": db_manager.get_slow_query_threshold_ms(),
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"slow_query_threshold_ms": (
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int(getattr(db_manager, "get_slow_query_threshold_ms", lambda default=300: default)(300))
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if db_manager is not None else 300
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),
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}
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mysql_conn = db_manager.get_mysql_connection()
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