CheckpointByUUID looks up a checkpoint by UUID, returning nil if none exists.

CheckpointByUUIDs looks up a checkpoint by list of UUIDS, returning nil if error.

GetModelIDsAssociatedWithCheckpoint returns the model ids associated with a checkpoint, returning nil if error.

GetRegisteredCheckpoints gets the checkpoints in the model registrys from the list of checkpoints provided.

GroupCheckpointUUIDsByExperimentID creates the mapping of checkpoint uuids to experiment id.

MarkCheckpointsDeleted updates the provided delete checkpoints to DELETED state.

UpdateCheckpointSizeTx updates checkpoint size and count to experiment and trial.

ExperimentCheckpointGrouping represents a mapping of checkpoint uuids to experiment id.

ModelInfo is a struct containing info used for locating models.