YHS bd5808de71 优化ToPivotTable和ToPivotList ...

1. 进一步的提升转换效率  一百万行转换一千列不到一秒完成
2. .ToPivotTable(it => it.day, it =>new{ it.name}, it => it.Sum(x => x.count))
    it.day 存在空值会造成列名与列数据对不齐
3. 优化代码减小内存消耗，减少循环次数
4. 将ToPivotList的返回值 List<dynamic> 改为 IEnumerable<dynamic> 减少内存读写次数。

2024-01-05 22:59:23 +08:00

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Asp.Net

优化ToPivotTable和ToPivotList

2024-01-05 22:59:23 +08:00

Asp.NetCore2

优化ToPivotTable和ToPivotList

2024-01-05 22:59:23 +08:00

OracleUS7ASCII

fix the redundant space when convert to pivot table with multiple row selector

2023-12-28 16:52:39 +08:00

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2023-11-07 21:42:57 +08:00

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2023-11-07 21:42:57 +08:00