Parquet row group (parquet.thrift fields 1-4). More...

#include <types.hpp>

Public Member Functions
	RowGroup ()=default

void	serialize (CompactEncoder &enc) const

expected< void >	deserialize (CompactDecoder &dec)

Public Attributes
std::vector< ColumnChunk >	columns
	Column chunks (field 1).

int64_t	total_byte_size = 0
	Total byte size (field 2).

int64_t	num_rows = 0
	Number of rows (field 3).

std::vector< SortingColumn >	sorting_columns
	Sort keys (field 4, optional).

Detailed Description

Parquet row group (parquet.thrift fields 1-4).

A row group is a horizontal partition of the table containing one column chunk per column. Field 4 (sorting_columns) added per parquet-format 2.9.0.

Definition at line 2156 of file types.hpp.

Constructor & Destructor Documentation

◆ RowGroup()

signet::forge::thrift::RowGroup::RowGroup ( )

default

Member Function Documentation

◆ deserialize()

expected< void > signet::forge::thrift::RowGroup::deserialize ( CompactDecoder & dec )

inline

Definition at line 2190 of file types.hpp.

◆ serialize()

void signet::forge::thrift::RowGroup::serialize ( CompactEncoder & enc ) const

inline

Definition at line 2164 of file types.hpp.

Member Data Documentation

◆ columns

std::vector<ColumnChunk> signet::forge::thrift::RowGroup::columns

Column chunks (field 1).

Definition at line 2157 of file types.hpp.

◆ num_rows

int64_t signet::forge::thrift::RowGroup::num_rows = 0

Number of rows (field 3).

Definition at line 2159 of file types.hpp.

◆ sorting_columns

std::vector<SortingColumn> signet::forge::thrift::RowGroup::sorting_columns

Sort keys (field 4, optional).

Definition at line 2160 of file types.hpp.

◆ total_byte_size

int64_t signet::forge::thrift::RowGroup::total_byte_size = 0

Total byte size (field 2).

Definition at line 2158 of file types.hpp.

The documentation for this struct was generated from the following file:

include/signet/thrift/types.hpp

Public Member Functions

Public Attributes