Enum StringCode 

pub enum StringCode {
    Uncompressed,
    Dict,
    Fsst,
    Constant,
    Sparse,
    Zstd,
    ZstdBuffers,
}

Unique identifier for string compression schemes.

Variants

Uncompressed

No compression applied.

Dict

Dictionary encoding for low-cardinality strings.

Fsst

FSST (Fast Static Symbol Table) compression.

Constant

Constant encoding for arrays with a single distinct value.

Sparse

Sparse encoding for null-dominated arrays.

Zstd

Zstd compression without dictionaries.

ZstdBuffers

Zstd buffer-level compression preserving array layout.

Trait Implementations

impl Clone for StringCode

fn clone(&self) -> StringCode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StringCode

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

Formats the value using the given formatter.

impl Hash for StringCode

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for StringCode

fn cmp(&self, other: &StringCode) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for StringCode

fn eq(&self, other: &StringCode) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for StringCode

fn partial_cmp(&self, other: &StringCode) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl Sequence for StringCode

const CARDINALITY: usize

Number of values of type Self.

fn next(&self) -> Option<Self>

Returns value following *self or None if this was the end.

fn previous(&self) -> Option<Self>

Returns value preceding *self or None if this was the beginning.

fn first() -> Option<Self>

Returns the first value of type Self.

fn last() -> Option<Self>

Returns the last value of type Self.

impl Copy for StringCode

impl Eq for StringCode

impl StructuralPartialEq for StringCode