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lookup pipeline

Dhaval Italiya answered on October 7, 2022 Popularity 10/10 Helpfulness 7/10

answer lookup pipeline

lookup pipeline

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var re = new RegExp("beg", "i");
  let data = await accounts.aggregate([
    {
      $match: {
        _id: mongoose.Types.ObjectId(req.params.userId),
      },
    },
    {
      $lookup: {
        from: "begs",
        localField: "_id",
        foreignField: "userId",
        as: "begCount",
        pipeline: [{ $match: { title: re } }],
      },
    },
 ]);

Popularity 10/10 Helpfulness 7/10 Language whatever

Source: Grepper

Tags: lookup mongodb mongodb-lookup pipeline whatever

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Contributed on Oct 07 2022

Dhaval Italiya

0 Answers Avg Quality 2/10

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