definition user {} definition schema { relation reader: user permission view = reader } for above schema i am writing relathionship as { "updates": [ { "operation": "OPERATION_TOUCH", "relationship": { "resource": { "objectType": "schema", "objectId": "schema1" }, "relation": "reader", "subject": { "object": { "objectType": "user", "objectId": "jayesh" } } } } ] } i am doing this through java sdk using authzed api, i have requirement for checking in the beginning that objectId or subjectId exists in the database or not?

Are you looking to determine if this tuple exists? If so you can use "CREATE" instead of "TOUCH", which will make it fail if the tuple exists

okay thanks

what is "midify"? Do you mean "minify"? SpiceDB will prevent you from executing

WriteSchema

if it causes a relation with data to be dropped, as a precaution. There is no API to force delete the schema in this case, you have to drop the data first. You can use

zed

command line to do this easily by specifying the resource and relation:

~ % zed relationship delete --help
Deletes a relationship

Usage:
  zed relationship delete <resource:id> <relation> <subject:id#optional_subject_relation> [flags]

Flags:
  -b, --batch-size int   batch size when deleting streams of relationships from stdin (default 100)
  -h, --help             help for delete
      --json             output as JSON

Global Flags:
      --certificate-path string     path to certificate authority used to verify secure connections
      --endpoint string             spicedb gRPC API endpoint
      --insecure                    connect over a plaintext connection
      --log-format string           format of logs ("auto", "console", "json") (default "auto")
      --log-level string            verbosity of logging ("trace", "debug", "info", "warn", "error") (default "info")
      --no-verify-ca                do not attempt to verify the server's certificate chain and host name
      --permissions-system string   permissions system to query
      --skip-version-check          if true, no version check is performed against the server
      --token string                token used to authenticate to SpiceDB

i meant modify, sorry for typo

yeah, as I indicated yesterday, no way to do that without dropping all relationships

okay, thanks