polars_lazy::frame

Struct ScanArgsParquet

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pub struct ScanArgsParquet {
Show 13 fields
    pub n_rows: Option<usize>,
    pub parallel: ParallelStrategy,
    pub row_index: Option<RowIndex>,
    pub cloud_options: Option<CloudOptions>,
    pub hive_options: HiveOptions,
    pub use_statistics: bool,
    pub schema: Option<SchemaRef>,
    pub low_memory: bool,
    pub rechunk: bool,
    pub cache: bool,
    pub glob: bool,
    pub include_file_paths: Option<PlSmallStr>,
    pub allow_missing_columns: bool,

}
Available on crate feature parquet only.

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§n_rows: Option<usize>§parallel: ParallelStrategy§row_index: Option<RowIndex>§cloud_options: Option<CloudOptions>§hive_options: HiveOptions§use_statistics: bool§schema: Option<SchemaRef>§low_memory: bool§rechunk: bool§cache: bool§glob: bool

Expand path given via globbing rules.

§include_file_paths: Option<PlSmallStr>§allow_missing_columns: bool

Trait Implementations§

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impl Clone for ScanArgsParquet

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fn clone(&self) -> ScanArgsParquet

Returns a copy of the value. Read more
1.0.0 · Source§

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

Performs copy-assignment from source. Read more
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impl Default for ScanArgsParquet

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fn default() -> Self

Returns the “default value” for a type. Read more

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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