mongodb count array size
db.inventory.aggregate([
{
$project: {
item: 1,
numberOfColors: { $cond: { if: { $isArray: "$colors" }, then: { $size: "$colors" }, else: "NA"} }
}
}
] )mongodb count array size
db.inventory.aggregate([
{
$project: {
item: 1,
numberOfColors: { $cond: { if: { $isArray: "$colors" }, then: { $size: "$colors" }, else: "NA"} }
}
}
] )Copyright © 2021 Codeinu
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