Created
October 12, 2023 13:24
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Mongo - Get distinct values of a field
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| [ | |
| { | |
| $unwind: { | |
| path: '$field_name', | |
| preserveNullAndEmptyArrays: true | |
| } | |
| }, | |
| { | |
| $group: { | |
| _id: null, | |
| uniqueGenres: { $addToSet: '$field_name' } | |
| } | |
| } | |
| ] |
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