How to create an array of arrays as input in ApolloGraphQL

Question

How can I create an array of arrays as inputs in ApolloGraphQL?

For instance, how should be the Schema for a query like this:

{
    Users(Id:1, Filters:[["Id",">", "1"], ["Id","<","3"]]) {
      Id
      Name
    }
}

I have tried the following schema but no luck:

const typeDefs = gql`
  type Query{
      Users(
        Id: ID,
        Filters: [[String, String, String]]
      )
   }
 `;

What I am trying to achieve here is an Input type which is a List of Lists, with each of the child lists containing exactly 3 strings. So it can be called like this within the function: Filters:[["Id",">", "1"], ..]

any knowledge about query variables and input types ? graphql.org/learn/schema/#input-types — xadm
– xadm, Commented May 27, 2020 at 12:10
Thanks for your link, says nothing about how to create a list of lists as inputs but I appreciate it. — Ander
– Ander, Commented May 28, 2020 at 11:35

Peter Schwarz · Accepted Answer · 2020-05-28 11:49:41Z

1

Hi Ander I also tried to achieve something like that, but not luck either. I ended up using list of objects instead:

const typeDefs = gql`
  type Query{
      Users(
        Id: ID,
        Filters: [Filter]
      )
  }

  input Filter{
    A: String!
    B: String!
    C: String!
  }
`;

It will look like this at the end:

{
    Users(Id:1, Filters:[{A:"Id",B:">", C:"1"}, ..]) {
      Id
      Name
    }
}

edited May 28, 2020 at 11:49

answered May 28, 2020 at 11:40

Peter Schwarz

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1 Comment

Ander Over a year ago

Thanks Peter Its a good alternative, but I find it a bit verbose. I'll keep trying..

Ander · Accepted Answer · 2020-08-03 14:02:02Z

1

Seems like it was easier than I though, would be enough using [[String]]:

const typeDefs = gql`
  type Query{
      Users(
        Id: ID,
        Filters: [[String]]
      )
   }
 `;

answered Aug 3, 2020 at 14:02

Ander

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