Struct parquet::file::metadata::ColumnIndexBuilder

pub struct ColumnIndexBuilder { /* private fields */ }

Builder for Parquet ColumnIndex, part of the Parquet PageIndex

Implementations

impl ColumnIndexBuilder

pub fn new() -> Self

Creates a new column index builder.

pub fn append( &mut self, null_page: bool, min_value: Vec<u8>, max_value: Vec<u8>, null_count: i64, )

Append statistics for the next page

pub fn append_histograms( &mut self, repetition_level_histogram: &Option<LevelHistogram>, definition_level_histogram: &Option<LevelHistogram>, )

Append the given page-level histograms to the ColumnIndex histograms. Does nothing if the ColumnIndexBuilder is not in the valid state.

pub fn set_boundary_order(&mut self, boundary_order: BoundaryOrder)

Set the boundary order of the column index

pub fn to_invalid(&mut self)

Mark this column index as invalid

pub fn valid(&self) -> bool

Is the information in the builder valid?

pub fn build_to_thrift(self) -> ColumnIndex

Build and get the thrift metadata of column index

Note: callers should check Self::valid before calling this method

Trait Implementations

impl Default for ColumnIndexBuilder

fn default() -> Self

Returns the “default value” for a type.