Struct PreprocessStream 

pub struct PreprocessStream {
    pub num_chunks: u64,
    pub col_graph: ColGraph,
    pub cols: Vec<usize>,
    pub preprocess_map: HashMap<usize, ColumnPreprocess>,
    /* private fields */
}

Fields

num_chunks: u64

col_graph: ColGraph

cols: Vec<usize>

preprocess_map: HashMap<usize, ColumnPreprocess>

Implementations

impl PreprocessStream

pub fn new(col_graph: ColGraph) -> Self

pub fn preprocess(&mut self, chunk: &ChunkTable) -> Result<(), String>

pub fn preprocess_batch(&mut self, chunk: &BatchChunk) -> Result<(), String>

pub fn finish_map(&mut self, depth: &BinDepth) -> Result<(), String>

pub fn use_map( &self, chunk: &ChunkTable, ) -> Result<HashMap<String, ColumnVec>, String>

pub fn use_map_batch( &self, chunk: &BatchChunk, ) -> Result<HashMap<String, ColumnVec>, String>

Trait Implementations

impl Clone for PreprocessStream

fn clone(&self) -> PreprocessStream

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PreprocessStream

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

Formats the value using the given formatter.