Signature
collection.exists(array)
This method takes an array of elements as argument and tells whether the document exists or not. Array argument can contain object _id, _key (or) you can even specify it in json object form.
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Signature
collection.exists(array)
This method takes an array of elements as argument and tells whether the document exists or not. Array argument can contain object _id, _key (or) you can even specify it in json object form.
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