Struct pgrx_pg_sys::PageHeaderData

#[repr(C)]pub struct PageHeaderData {
    pub pd_lsn: PageXLogRecPtr,
    pub pd_checksum: uint16,
    pub pd_flags: uint16,
    pub pd_lower: LocationIndex,
    pub pd_upper: LocationIndex,
    pub pd_special: LocationIndex,
    pub pd_pagesize_version: uint16,
    pub pd_prune_xid: TransactionId,
    pub pd_linp: __IncompleteArrayField<ItemIdData>,
}

Fields§

§pd_lsn: PageXLogRecPtr§pd_checksum: uint16§pd_flags: uint16§pd_lower: LocationIndex§pd_upper: LocationIndex§pd_special: LocationIndex§pd_pagesize_version: uint16§pd_prune_xid: TransactionId§pd_linp: __IncompleteArrayField<ItemIdData>

Trait Implementations§

impl Debug for PageHeaderData

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

Formats the value using the given formatter. Read more

impl Default for PageHeaderData

fn default() -> PageHeaderData

Returns the “default value” for a type. Read more

Auto Trait Implementations§

impl RefUnwindSafe for PageHeaderData

impl Send for PageHeaderData

impl Sync for PageHeaderData

impl Unpin for PageHeaderData

impl UnwindSafe for PageHeaderData

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

const: unstable · source§

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

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

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

The type returned in the event of a conversion error.

const: unstable · source§

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

Performs the conversion.