How do I write to mongodb?

Question

I am trying to write a query as follows:

ecg = Ecg.create(:collection, options: { timestamp: Time.now,, voltage: 
-1.3, metadata: { user_id: 1}})

My Ecg model is as follows:

class Ecg
  include Mongoid::Document
  include Mongoid::Timestamps
  field :voltage, type: Float
  field :timestamp, type: Time
  belongs_to :user


  store_in collection_options: {
    time_series: {
      timeField: "timestamp",
      metaField: "metadata",
      granularity: "milliseconds"
    }
  }
end

The error is vague to me it says the pattern does not match.

The error is as follows: message: Invalid options passed to Ecg.store_in: {:collection_options=>{:time_series=>{:timeField=>"timestamp", :metaField=>"metadata", :granularity=>"milliseconds"}}}. summary: The :store_in macro takes only a hash of parameters with the keys :database, :collection, or :client. resolution: Change the options passed to store_in to match the documented API, and ensure all keys in the options hash are symbols.

Example:   class Band     include Mongoid::Document     store_in collection: 'artists', database: 'music'   end

Answer 1

The API for working with timeseries collections was added to Mongoid in 8.1.0 (MONGOID-5370).

If you're using an older version of Mongoid this error would likely be raised. Can you verify you're using at least 8.1.0?