TableDef

Struct TableDef

pub struct TableDef {
    pub id: u8,
    pub name: &'static str,
    pub fields: &'static [FieldDef],
    pub primary_key: usize,
    pub secondary_index: Option<usize>,
    pub secondary_index_type: IndexType,
    pub record_size: usize,
    pub max_records: usize,
}

Expand description

表定义

Fields§

§id: u8

表ID

§name: &'static str

表名称

§fields: &'static [FieldDef]

字段定义

§primary_key: usize

主键字段索引

§secondary_index: Option<usize>

辅助索引字段索引（可选）

§secondary_index_type: IndexType

辅助索引类型

§record_size: usize

单条记录大小

§max_records: usize

最大记录数

Trait Implementations§

impl Clone for TableDef

fn clone(&self) -> TableDef

Returns a duplicate of the value. Read more

1.0.0 · Source§

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

Performs copy-assignment from source. Read more

impl Copy for TableDef

Auto Trait Implementations§

impl Freeze for TableDef

impl RefUnwindSafe for TableDef

impl Send for TableDef

impl Sync for TableDef

impl Unpin for TableDef

impl UnwindSafe for TableDef

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> CloneToUninit for T
where T: Clone,

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)

Performs copy-assignment from self to dest. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

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> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

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

Performs the conversion.

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

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

The type returned in the event of a conversion error.

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

Performs the conversion.