Struct BTreeRootPointerPage

pub struct BTreeRootPointerPage { /* private fields */ }

Binary Layout

• 4 bytes: page category
• 4 bytes: root page index
• 4 bytes: root page category (leaf/internal)
• 4 bytes: header page index

Implementations

impl BTreeRootPointerPage

pub fn new_empty_page(pid: &BTreePageID) -> Self

pub fn get_root_pid(&self) -> BTreePageID

pub fn set_root_pid(&mut self, pid: &BTreePageID)

pub fn get_header_pid(&self) -> Option<BTreePageID>

Get the id of the first header page

pub fn set_header_pid(&mut self, pid: &BTreePageID)

Set the page id of the first header page

Trait Implementations

impl BTreePage for BTreeRootPointerPage

fn new( pid: &BTreePageID, bytes: &[u8], _tuple_scheme: &Schema, _key_field: usize, ) -> Self

fn get_pid(&self) -> BTreePageID

fn get_parent_pid(&self) -> BTreePageID

fn set_parent_pid(&mut self, pid: &BTreePageID)

fn get_page_data(&self) -> Vec<u8>

Generates a byte array representing the contents of this page. Used to serialize this page to disk.

fn set_before_image(&mut self)

fn get_before_image(&self) -> Vec<u8>

Provide a representation of this page before any modifications were made to it. Used by recovery.

fn peek(&self)