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mango 可以强制使用jdbc的批量更新吗 #19

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zhangzpap opened this issue Nov 7, 2016 · 2 comments
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mango 可以强制使用jdbc的批量更新吗 #19

zhangzpap opened this issue Nov 7, 2016 · 2 comments

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@zhangzpap
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需要注意的是，mango内部有两种批量更新的实现，如果批量更新在同一个数据源的同一张表上完成，mango会使用jdbc原生的批量更新方法，否则mango会在内部进行循环更新。

mango内部循环更新太慢了，还有其他解决办法吗
@liangyanghe
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如果数据理论支持批量更新，mango就走批量更新。但如果分库后，数据在两个库上，则只能内部循环更新啦。

数据在两个库上，只能循环更新，没有更好的办法哟

@zhangzpap
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嗯。
貌似使用事物更新效率貌似是提高了很多

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@zhangzpap @liangyanghe