Schema:
id: int @index(int) .
followers: [uid] @reverse .
type twitter_user {
id: int
followers: [twitter_user]
}
txn := c.NewTxn()
//mu := &api.Mutation{}
q = fmt.Sprintf(`{"uid":"%s","id":""}`, "0x9")
mu.SetJson = []byte(q)
_, err = txn.Mutate(context.Background(), mu)
assert.Nil(t, err)
require.NoError(t, txn.Commit(context.Background()))
