Struct FactTableVersionProvider 

pub struct FactTableVersionProvider { /* private fields */ }

Version provider for fact tables.

Fetches and caches version numbers from the tf_versions table.

Implementations

impl FactTableVersionProvider

pub fn new(version_cache_ttl: Duration) -> Self

Create a new version provider.

Arguments

• version_cache_ttl - How long to cache version lookups (default 1 second)

pub fn get_cached_version(&self, table_name: &str) -> Option<i64>

Get cached version if still fresh, otherwise return None.

pub fn set_cached_version(&self, table_name: &str, version: i64)

Update cached version for a table.

pub fn clear_cached_version(&self, table_name: &str)

Clear cached version for a table.

pub fn clear_all(&self)

Clear all cached versions.

Trait Implementations

impl Debug for FactTableVersionProvider

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

Formats the value using the given formatter.

impl Default for FactTableVersionProvider

fn default() -> Self

Returns the “default value” for a type.