Struct StringHashTable 

pub struct StringHashTable {
    owned: ArrayRef,
    map: TopKHashTable<Option<String>>,
    rnd: RandomState,
    data_type: DataType,
}

Fields

owned: ArrayRef

map: TopKHashTable<Option<String>>

rnd: RandomState

data_type: DataType

Implementations

impl StringHashTable

pub fn new(limit: usize, data_type: DataType) -> Self

Trait Implementations

impl ArrowHashTable for StringHashTable

fn set_batch(&mut self, ids: ArrayRef)

fn len(&self) -> usize

unsafe fn update_heap_idx(&mut self, mapper: &[(usize, usize)])

unsafe fn heap_idx_at(&self, map_idx: usize) -> usize

unsafe fn take_all(&mut self, indexes: Vec<usize>) -> ArrayRef

unsafe fn find_or_insert( &mut self, row_idx: usize, replace_idx: usize, mapper: &mut Vec<(usize, usize)>, ) -> (usize, bool)