Struct BTreeHeader

Source

pub struct BTreeHeader {
    pub depth: u16,
    pub root_node: u32,
    pub leaf_records: u32,
    pub first_leaf_node: u32,
    pub last_leaf_node: u32,
    pub node_size: u16,
    pub total_nodes: u32,
    pub free_nodes: u32,
}

Expand description

Read the B-tree header record from catalog_data (node 0, record 0 at offset 14). Returns (depth, root_node, leaf_records, first_leaf, last_leaf, node_size, max_key_len, total_nodes, free_nodes).

Fields§

§depth: u16§root_node: u32§leaf_records: u32§first_leaf_node: u32§last_leaf_node: u32§node_size: u16§total_nodes: u32§free_nodes: u32

Struct BTreeHeader Copy item path

Fields§

Implementations§

impl BTreeHeader

pub fn read(catalog_data: &[u8]) -> Self

pub fn write(&self, catalog_data: &mut [u8])

Auto Trait Implementations§

impl Freeze for BTreeHeader

impl RefUnwindSafe for BTreeHeader

impl Send for BTreeHeader

impl Sync for BTreeHeader

impl Unpin for BTreeHeader

impl UnsafeUnpin for BTreeHeader

impl UnwindSafe for BTreeHeader

Blanket Implementations§

impl<T> Any for Twhere T: 'static + ?Sized,

fn type_id(&self) -> TypeId

impl<T> Borrow<T> for Twhere T: ?Sized,

fn borrow(&self) -> &T

impl<T> BorrowMut<T> for Twhere T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

fn from(t: T) -> T

impl<T, U> Into<U> for Twhere U: From<T>,

fn into(self) -> U

impl<T, U> TryFrom<U> for Twhere U: Into<T>,

type Error = !

fn try_from(value: U) -> Result<T, !>

impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Struct BTreeHeader

impl<T> Any for T
where T: 'static + ?Sized,

impl<T> Borrow<T> for T
where T: ?Sized,

impl<T> BorrowMut<T> for T
where T: ?Sized,

impl<T, U> Into<U> for T
where U: From<T>,

impl<T, U> TryFrom<U> for T
where U: Into<T>,

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,