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mongodb get only first field after lookup

SeriousMonk answered on August 11, 2023 Popularity 3/10 Helpfulness 1/10

answer mongodb get only first field after lookup

mongodb get only first field after lookup

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let product = await Product.aggregate([
        {$match: {_id: new mongoose.Types.ObjectId(req.headers.id)}},
        {
          $lookup: {
            from: 'productsubcategories',
            localField: 'parent',
            foreignField: '_id',
            as: 'fullParent',
          }
        },
        {
          $set: {
            fullParent: { $first: '$fullParent'}
          }
        }
      ]).exec();

Popularity 3/10 Helpfulness 1/10 Language typescript

Source: Grepper

Tags: field get lookup mongodb typescript

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Contributed on Aug 11 2023

SeriousMonk

0 Answers Avg Quality 2/10

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mongodb get only first field after lookup

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