Struct Snapshot 

pub struct Snapshot {
    pub id: String,
    pub timestamp: DateTime<Utc>,
    pub message: Option<String>,
    pub table: Table,
    pub hashes: TableHashes,
    pub dependencies: Vec<Dependency>,
}

A snapshot represents the complete state of a table at a point in time

Fields

id: String

Unique identifier for this snapshot

timestamp: DateTime<Utc>

When this snapshot was taken

message: Option<String>

User-provided message explaining the snapshot

table: Table

The table data

hashes: TableHashes

Hashes for integrity verification

dependencies: Vec<Dependency>

Dependencies on other tables/files

Implementations

impl Snapshot

pub fn new(table: Table, message: Option<String>) -> Self

Create a new snapshot from a table

pub fn add_dependency( &mut self, name: String, path: Option<PathBuf>, hash: String, )

Add a dependency to this snapshot

pub fn save(&self, path: &Path) -> Result<()>

Save snapshot to disk as TOML

pub fn load(path: &Path) -> Result<Snapshot>

Load snapshot from disk

pub fn verify(&self) -> bool

Verify integrity of this snapshot

pub fn verify_dependencies(&self) -> Result<()>

Verify dependencies of this snapshot

Trait Implementations

impl Clone for Snapshot

fn clone(&self) -> Snapshot

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Snapshot

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Snapshot

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Snapshot

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.