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RecordDefinition

Struct RecordDefinition 

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pub struct RecordDefinition {
    pub kind: RecordKind,
    pub name: &'static str,
    pub is_pk_idx: bool,
    pub support_range_scan: bool,
    pub data_size: u32,
    pub version: u16,
    pub pk_encode: Option<PkEncodeFn>,
    pub fields: &'static [FieldDefinition],
    pub reserved_fields: &'static [FieldDefinition],
    pub pk_fields: &'static [&'static str],
}
Expand description

Static definition for one record type.

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§kind: RecordKind

Stable record kind.

§name: &'static str

Rust/source-level record name.

§is_pk_idx: bool

Whether a primary-key index is defined.

§support_range_scan: bool

Whether range scans are expected for this record’s primary-key index.

§data_size: u32

Record data bytes excluding host-owned metadata.

§version: u16

Schema version encoded as a compact u16.

§pk_encode: Option<PkEncodeFn>

Optional generated primary-key encoder.

§fields: &'static [FieldDefinition]

Active schema fields.

§reserved_fields: &'static [FieldDefinition]

Reserved fields retained for layout compatibility.

§pk_fields: &'static [&'static str]

Field names used to build the primary key.

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impl RecordDefinition

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pub fn field_by_name(&self, name: &str) -> Option<&FieldDefinition>

Returns the active field definition with the given source-level name.

Trait Implementations§

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impl Clone for RecordDefinition

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fn clone(&self) -> RecordDefinition

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for RecordDefinition

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

Formats the value using the given formatter. Read more
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impl Copy for RecordDefinition

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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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
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.