Struct parquet::file::reader::SerializedRowGroupReader [−][src]
pub struct SerializedRowGroupReader { /* fields omitted */ }A serialized implementation for Parquet RowGroupReader.
Trait Implementations
impl RowGroupReader for SerializedRowGroupReader[src]
impl RowGroupReader for SerializedRowGroupReaderfn metadata(&self) -> RowGroupMetaDataPtr[src]
fn metadata(&self) -> RowGroupMetaDataPtrGet metadata information about this row group.
fn num_columns(&self) -> usize[src]
fn num_columns(&self) -> usizeGet the total number of column chunks in this row group.
fn get_column_page_reader(&self, i: usize) -> Result<Box<PageReader>>[src]
fn get_column_page_reader(&self, i: usize) -> Result<Box<PageReader>>Get page reader for the ith column chunk.
fn get_column_reader(&self, i: usize) -> Result<ColumnReader>[src]
fn get_column_reader(&self, i: usize) -> Result<ColumnReader>Get value reader for the ith column chunk.
fn get_row_iter(&self, projection: Option<SchemaType>) -> Result<RowIter>[src]
fn get_row_iter(&self, projection: Option<SchemaType>) -> Result<RowIter>Get iterator of Rows from this row group. Read more
Auto Trait Implementations
impl !Send for SerializedRowGroupReader
impl !Send for SerializedRowGroupReaderimpl !Sync for SerializedRowGroupReader
impl !Sync for SerializedRowGroupReader