Struct parquet::file::writer::SerializedRowGroupWriter

pub struct SerializedRowGroupWriter { /* fields omitted */ }

A serialized implementation for Parquet RowGroupWriter. Coordinates writing of a row group with column writers. See documentation on row group writer for more information.

Methods

impl SerializedRowGroupWriter

pub fn new(     schema_descr: SchemaDescPtr,     properties: WriterPropertiesPtr,     file: &File ) -> Self

Trait Implementations

impl RowGroupWriter for SerializedRowGroupWriter

fn next_column(&mut self) -> Result<Option<ColumnWriter>>

Returns the next column writer, if available; otherwise returns None. In case of any IO error or Thrift error, or if row group writer has already been closed returns Err.

fn close_column(&mut self, column_writer: ColumnWriter) -> Result<()>

Closes column writer that was created using next_column method. This should be called before requesting the next column writer.

fn close(&mut self) -> Result<RowGroupMetaDataPtr>

Closes this row group writer and returns row group metadata. After calling this method row group writer must not be used.