Trait parquet::column::page::PageIterator

pub trait PageIterator: Iterator<Item = Result<Box<dyn PageReader>>> {
    fn schema(&mut self) -> Result<SchemaDescPtr>;
    fn column_schema(&mut self) -> Result<ColumnDescPtr>;
}

An iterator over pages of some specific column in a parquet file.

Required methods

fn schema(&mut self) -> Result<SchemaDescPtr>

Get schema of parquet file.

fn column_schema(&mut self) -> Result<ColumnDescPtr>

Get column schema of this page iterator.

Loading content...

Implementors

impl PageIterator for FilePageIterator

fn schema(&mut self) -> Result<SchemaDescPtr>

fn column_schema(&mut self) -> Result<ColumnDescPtr>

Loading content...