queryWrapper.select("DISTINCT shift_group_name ").lambda().isNotNull(DwsVisualInspectionStatisticHour::getEquipmentName);为什么报错
时间: 2023-03-28 22:02:42 浏览: 225
这个报错可能是因为 DwsVisualInspectionStatisticHour 类中的 getEquipmentName 方法返回了 null 值,而 select 方法中使用了 isNotNull 方法,导致报错。建议检查一下 DwsVisualInspectionStatisticHour 类中 getEquipmentName 方法的实现,确保不会返回 null 值。
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