uqa-storage 0.5.0

//
// Unified Query Algebra
//
// Copyright (c) 2023-2026 Cognica, Inc.
//

//! Nonzero identities for durable catalog objects and storage generations.

use crate::{StorageBackendError, StorageBackendResult};

pub fn new_nonzero_catalog_identity(owner: &str, kind: &str) -> StorageBackendResult<[u8; 16]> {
    let mut identity = [0_u8; 16];
    getrandom::fill(&mut identity)
        .map_err(|error| StorageBackendError::Other(format!("allocate {owner} {kind}: {error}")))?;
    if identity == [0; 16] {
        identity[15] = 1;
    }
    Ok(identity)
}