目录引言问题背景问题分析1. 错误原因2. 深层原因解决方案1. 优化 process_single_thread 返回值2. 调用方增强校验3. 日志优化完整优化后的代码deal_excel_file.py（优化后）app.py（优化后）总结关键优化点最佳实践
LINQ to SQL .Count takes way to much process time and decreases performances. I am doing a recursive loop and for one child (lets call it parent) I have to check the number of children under it to ma
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