Struct parquet::file::metadata::ParquetMetaData

pub struct ParquetMetaData { /* fields omitted */ }

Global Parquet metadata.

Methods

impl ParquetMetaData

pub fn new(     file_metadata: FileMetaData,     row_groups: Vec<RowGroupMetaData> ) -> Self

Creates Parquet metadata from file metadata and a list of row group metadata for each available row group.

pub fn file_metadata(&self) -> FileMetaDataPtr

Returns file metadata as reference counted clone.

pub fn num_row_groups(&self) -> usize

Returns number of row groups in this file.

pub fn row_group(&self, i: usize) -> RowGroupMetaDataPtr

Returns row group metadata for ith position. Position should be less than number of row groups num_row_groups.

pub fn row_groups(&self) -> &[RowGroupMetaDataPtr]

Returns slice of row group reference counted pointers in this file.