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list All elements are null 解决方案 #15

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jerrychir opened this issue Feb 12, 2019 · 0 comments
Open

list All elements are null 解决方案 #15

jerrychir opened this issue Feb 12, 2019 · 0 comments

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@jerrychir
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list All elements are null 解决方案

方法一

list.remove(null);

方法二

select ifnull(1,0)
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@jerrychir