Trait parquet::column::page::PageIterator [−][src]
pub trait PageIterator: Iterator<Item = Result<Box<dyn PageReader>>> {
fn schema(&mut self) -> Result<SchemaDescPtr>;
fn column_schema(&mut self) -> Result<ColumnDescPtr>;
}
Expand description
An iterator over pages of some specific column in a parquet file.
Required methods
fn schema(&mut self) -> Result<SchemaDescPtr>
fn schema(&mut self) -> Result<SchemaDescPtr>
Get schema of parquet file.
fn column_schema(&mut self) -> Result<ColumnDescPtr>
fn column_schema(&mut self) -> Result<ColumnDescPtr>
Get column schema of this page iterator.