Struct SymbolColumn 

pub struct SymbolColumn<'a> { /* private fields */ }

SYMBOL column: dense per-row u32 codes plus a borrowed reference to the connection-scoped dictionary.

The wire encodes codes as a compact varint stream over non-null rows; the decoder densifies that into a row_count-sized u32 slice with 0 in null slots. The validity bitmap is the source of truth for null vs id-zero, so random access is O(1).

Implementations

impl<'a> SymbolColumn<'a>

pub fn len(&self) -> usize

pub fn is_empty(&self) -> bool

pub fn validity(&self) -> Validity<'a>

pub fn is_null(&self, row: usize) -> bool

pub fn codes(&self) -> &'a [u32]

Dense per-row codes (0 in null slots — see is_null).

pub fn dict(&self) -> &'a SymbolDict

pub fn resolve(&self, row: usize) -> Option<&'a str>

Resolve row to its UTF-8 string. None for null rows or unknown ids.

Trait Implementations

impl<'a> Clone for SymbolColumn<'a>

fn clone(&self) -> SymbolColumn<'a>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<'a> Copy for SymbolColumn<'a>

impl<'a> Debug for SymbolColumn<'a>

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

Formats the value using the given formatter.