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Whatever
unwind check after null or undefined
Stavr00
Programming language:
Whatever
2021-06-21 11:41:41
0
Q:
unwind check after null or undefined
Robin
Code:
Whatever
2021-08-29 05:36:44
{ $unwind: { path: "$applications", preserveNullAndEmptyArrays: true } }
0
Tags
check
Related
what is the difference between null and undefined
not null constraint
null undefined
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