Struct sled::Meta

pub struct Meta { /* fields omitted */ }

A simple map that can be used to store metadata for the pagecache tenant.

Methods

impl Meta

pub fn get_root(&self, table: &[u8]) -> Option<usize>

Retrieve the PageId associated with an identifier

pub fn set_root(&mut self, name: Vec<u8>, pid: usize)

Set the PageId associated with an identifier

pub fn del_root(&mut self, name: &[u8]) -> Option<usize>

Remove the page mapping for a given identifier

pub fn tenants(&self) -> BTreeMap<Vec<u8>, usize>

Return the current rooted tenants in Meta

Trait Implementations

impl Default for Meta

fn default() -> Meta

Returns the "default value" for a type.

impl Serialize for Meta

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

Serialize this value into the given Serde serializer.

impl<'de> Deserialize<'de> for Meta

fn deserialize<__D>(
    __deserializer: __D
) -> Result<Meta, <__D as Deserializer<'de>>::Error> where
    __D: Deserializer<'de>, 

Deserialize this value from the given Serde deserializer.

impl PartialEq<Meta> for Meta

fn eq(&self, other: &Meta) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Meta) -> bool

This method tests for !=.

impl Debug for Meta

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

Formats the value using the given formatter.

impl Clone for Meta

fn clone(&self) -> Meta

Returns a copy of the value.

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

Performs copy-assignment from source.