GraphQL does not allow to insert array objects in NodeJS

Question

Unfortunately getting error when insert array objects. Here the code

GraphQL Schema

type Member {
  _id: ID!
  member_id: Int!
  first_name: String!
  last_name: String
  username: String
  date: String
}

input MemberInput {
  member_id: Int!
  first_name: String!
  last_name: String
  username: String
  date: String
}

type RootQuery {
  groups: [Group!]!
  members: [Member!]!
  member(member_id: Int!): Member!
}
type RootMutation {
  createGroup(groupInput: GroupInput): Group
  createMember(memberInput: [MemberInput]): Member
}
schema {
  query: RootQuery
  mutation: RootMutation
}

Making array objects

const mutatedAdminsDetails = groupAdminsFull.map(groupAdmin => {
  const rObj = {
    member_id: groupAdmin.id,
    first_name: groupAdmin.first_name,
    last_name: groupAdmin.last_name || '',
    username: groupAdmin.username || '',
    date: new Date().toISOString(),
  };
  return rObj;
});

Array objects mutatedAdminsDetails

[
  {
    member_id: 152356245,
    first_name: 'Subhash',
    last_name: 'Akbar',
    username: 'subhashbhai',
    date: '2019-07-26T14:39:01.314Z'
  },
  {
    member_id: 12312322,
    first_name: 'Shreef',
    last_name: '',
    username: '',
    date: '2019-07-26T14:39:01.314Z'
  }
]

GraphQL mutation query

const requestAdminBody = {
  query: `
      mutation {
        createMember(memberInput:
          [${mutatedAdminsDetails}]
        ) {
          _id
          member_id
          first_name:
        }
      }
    `
};

API request

const insertAdmins = await fetch('http://localhost:3000/graphql', {
  method: 'POST',
  body: JSON.stringify(requestAdminBody),
  headers: {
    'Content-Type': 'application/json',
  }
})
  .then(res => {
    return res.json();
  })
  .then(resData =>
    resData
  )
  .catch(err => err )

Error in terminal

For the second error group_id doesn't exist in the Member's schema definition — Fraction
– Fraction, Commented Jul 26, 2019 at 15:10
@VladMamaev Changed, now getting this error { errors: [ { message: 'Syntax Error: Expected Name, found [', locations: [Array] } ] } — Mo.
– Mo., Commented Jul 26, 2019 at 15:23

Fraction · Accepted Answer · 2019-07-26 15:44:55Z

1

Try to update your mutation to:

const requestAdminBody = {
  query: `
      mutation CreateMember($memberInput: [MemberInput]){
        createMember(memberInput: $memberInput) {
          _id
          first_name
        }
      }
    `,
  variables: { memberInput: mutatedAdminsDetails }
};

edited Jul 26, 2019 at 15:44

answered Jul 26, 2019 at 15:27

Fraction

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9 Comments

Mo. Over a year ago

Getting this error { errors: [ { message: 'Must provide query string.' } ] }

Mo. Over a year ago

unfortunately getting this error now

errors: [     {       message: 'Unknown type "memberInput". Did you mean "MemberInput" or "Member"?',       locations: [Array]     },     {       message: 'Cannot query field "name" on type ' +         '"Member". Did you mean "date" or ' +         '"username"?',       locations: [Array]     }   ]

Fraction Over a year ago

the message tells you the answer, I've updated my answer ^^

Mo. Over a year ago

Getting this error

{   errors: [     {       message: 'Cannot return null for non-nullable field Member._id.',       locations: [Array],       path: [Array]     }   ],   data: { createMember: null } }

any idea about it ?

Fraction Over a year ago

I think you don't return the created member from your db, you can try something like: const doc = await Member.create(member); return Member.findById(doc._id)

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