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如果构建一个ifnull(表1.字段,表2.字段)表达式 #1251

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zsy619 opened this issue Jan 23, 2025 · 1 comment

zsy619 commented Jan 23, 2025

Your Question

在left join中，获取字段，需要实现ifnull(表1.字段,表2.字段)功能，但是目前只有ifnull()函数，指定具体数值，如何实现本功能？
例如增加一个IfNullCol函数，如下：
qryBillItem.Amount.IfNullCol(qryBill.Amount)

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Expected answer

Author

zsy619 commented Jan 23, 2025

@jinzhu 帮忙分析一下，如果做比较合适

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