access_deleted_error.go

// Create a document with a system xattr
xattr := "_sync"
k := "foo"
v := make(map[string]interface{})
v["body_field"] = "1234"

xv := make(map[string]interface{})
xv["seq"] = 123
xv["rev"] = "1-1234"

newCas, err := bucket.Insert(k, &val, uint32(0))

docFragment, err := bucket.MutateIn(k, newCas, uint32(exp)).
  UpsertEx(xattr, xv, gocb.SubdocFlagXattr|gocb.SubdocFlagCreatePath).
  Execute()


// Delete the document 
bucket.Remove(k, 0)

// Attempt to retrieve the xattr for the deleted document.  Returns error, no xattr in res.
accessDeletedFlag := gocb.SubdocFlag(0x08)
res, err := bucket.Bucket.LookupIn(k).
  GetEx(xattr, accessDeletedFlag|gocb.SubdocFlagXattr).
  Execute()