Struct DataFrameCollection 

pub struct DataFrameCollection { /* private fields */ }

Implementations

impl DataFrameCollection

pub fn new( df_schematics: HashMap<String, DataFrameSchematic>, ) -> DataFrameCollection

pub async fn set_minimum_rows( &self, schematic_key: &str, minimum_rows: u32, ) -> bool

pub async fn insert_inner_map( &self, outer_key: String, inner_key: String, ) -> bool

pub async fn append_data_point<T>( &self, outer_key: &str, data_point: &T, ) -> PolarsResult<u32>

where T: RawData,

pub async fn append_series<T>( &self, outer_key: &str, series_data: HashMap<PlSmallStr, Series>, series_data_length: usize, raw_data_type: &T, ) -> PolarsResult<u32>

where T: RawData,

pub async fn df_schematic_keys(&self) -> Vec<String>

pub async fn inner_keys_of_outer(&self, outer_key: &str) -> Option<Vec<String>>

pub async fn outer_keys_of_inner( &self, inner_key: &str, ) -> PolarsResult<Vec<String>>

pub async fn df_height( &self, outer_key: &str, inner_key: &str, ) -> PolarsResult<usize>

pub async fn evict_df( &self, outer_key: &str, inner_key: &str, ) -> PolarsResult<bool>

pub async fn evict_outer(&self, outer_key: &str) -> PolarsResult<bool>

pub async fn evict_inner(&self, inner_key: &str) -> PolarsResult<u32>

pub async fn remove_df_map_entry( &self, outer_key: &str, inner_key: &str, ) -> PolarsResult<bool>

pub async fn df_to_arrow( &self, outer_key: &str, inner_key: &str, n_rows: Option<u32>, exclude_columns: Option<Vec<String>>, ) -> PolarsResult<(Arc<ArrowSchema>, Vec<ArrowRecordBatch>)>

Trait Implementations

impl Clone for DataFrameCollection

fn clone(&self) -> DataFrameCollection

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DataFrameCollection

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

Formats the value using the given formatter.