Per-column statistics produced by ParquetWriter::close(). More...

#include <types.hpp>

Public Attributes
std::string	column_name
	Column name from the schema.

PhysicalType	physical_type = PhysicalType::BYTE_ARRAY
	Storage type used on disk.

Encoding	encoding = Encoding::PLAIN
	Encoding applied to data pages.

Compression	compression = Compression::UNCOMPRESSED
	Compression codec applied.

int64_t	uncompressed_bytes = 0
	Total uncompressed data size (bytes).

int64_t	compressed_bytes = 0
	Total compressed data size (bytes).

int64_t	num_values = 0
	Number of values written.

int64_t	null_count = 0
	Number of null values.

Detailed Description

Per-column statistics produced by ParquetWriter::close().

See also: WriteStats

Definition at line 211 of file types.hpp.

Member Data Documentation

◆ column_name

std::string signet::forge::ColumnWriteStats::column_name

Column name from the schema.

Definition at line 212 of file types.hpp.

◆ compressed_bytes

int64_t signet::forge::ColumnWriteStats::compressed_bytes = 0

Total compressed data size (bytes).

Definition at line 217 of file types.hpp.

◆ compression

Compression signet::forge::ColumnWriteStats::compression = Compression::UNCOMPRESSED

Compression codec applied.

Definition at line 215 of file types.hpp.

◆ encoding

Encoding signet::forge::ColumnWriteStats::encoding = Encoding::PLAIN

Encoding applied to data pages.

Definition at line 214 of file types.hpp.

◆ null_count

int64_t signet::forge::ColumnWriteStats::null_count = 0

Number of null values.

Definition at line 219 of file types.hpp.

◆ num_values

int64_t signet::forge::ColumnWriteStats::num_values = 0

Number of values written.

Definition at line 218 of file types.hpp.

◆ physical_type

PhysicalType signet::forge::ColumnWriteStats::physical_type = PhysicalType::BYTE_ARRAY

Storage type used on disk.

Definition at line 213 of file types.hpp.

◆ uncompressed_bytes

int64_t signet::forge::ColumnWriteStats::uncompressed_bytes = 0

Total uncompressed data size (bytes).

Definition at line 216 of file types.hpp.

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

include/signet/types.hpp

Public Attributes