mongodb filter empty array

collection.find({ arrayElementName: { $exists: true, $not: {$size: 0} } })

4
1
Awgiedawgie 440220 points

                                    db.collection.find({arrayElementName : {$exists:true, $size:0}})

4 (1 Votes)
0
4.22
9
Phoenix Logan 186120 points

                                    db.collection.update({}, { $set : {'myArray': [] }} , {multi:true} )

4.22 (9 Votes)
0
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