@connect - one to many - nextToken usage

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Which Category is your question related to? API GraphQL

Amplify CLI Version

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I set up a one-to-many relationship between a couple of model. It works fine. I’m able to query for the one model record and from that get the many model records. However, I set a limit of 10 for the many model records but it’s not obvious to me how to use the nextToken value to retrieve the other many model records.

I’ve tried using the list query for the many model and the list query for the one model but I get the invalid start key error. How can I use the nextToken value to get the other many model records?

[codeinaire]

@yuth it appears to be working. Thanks for your help!

BTW, is this anywhere in the docs? I couldn’t find anything like this and not sure if it’s not there or I just didn’t look in the right places.

[yuth]

@codeinaire the mappingDatas field can take an argument called nextToken and when you pass that it would use that value to paginate the mapping data. So the updated query would look somewhat like this

export const listPageFormss = /* GraphQL */ `
  query ListPageFormss(
    $filter: ModelPageFormsFilterInput
    $limit: Int
    $nextToken: String
    $mappingDataNextToken: String
  ) {
    listPageFormss(filter: $filter, limit: $limit, nextToken: $nextToken) {
      items {
        id
        pageId
        createdAt
        updatedAt
        mappingDatas (nextToken: $mappingDataNextToken){
          items {
            id
            formName
            formId
            pageId
            # Other fields that you're interested in
          }
          nextToken
        }
      }
      nextToken
    }
  }

When trying to get the next page of mappingData pass the you will need to pass the nextToken from mappingDatas of each listPageFormss to mappingDataNextToken