Per-column statistics from ParquetReader::file_stats(). More...

#include <types.hpp>

Public Attributes
std::string	column_name
	Column name.

PhysicalType	physical_type = PhysicalType::BYTE_ARRAY
	Storage type.

LogicalType	logical_type = LogicalType::NONE
	Logical annotation.

Compression	compression = Compression::UNCOMPRESSED
	Compression codec.

int64_t	uncompressed_bytes = 0
	Total uncompressed size.

int64_t	compressed_bytes = 0
	Total compressed size.

int64_t	num_values = 0
	Total value count.

int64_t	null_count = 0
	Total null count.

bool	has_bloom_filter = false
	Whether a bloom filter is present.

bool	has_page_index = false
	Whether column/offset index is present.

Detailed Description

Per-column statistics from ParquetReader::file_stats().

See also: FileStats

Definition at line 241 of file types.hpp.

Member Data Documentation

◆ column_name

std::string signet::forge::ColumnFileStats::column_name

Column name.

Definition at line 242 of file types.hpp.

◆ compressed_bytes

int64_t signet::forge::ColumnFileStats::compressed_bytes = 0

Total compressed size.

Definition at line 247 of file types.hpp.

◆ compression

Compression signet::forge::ColumnFileStats::compression = Compression::UNCOMPRESSED

Compression codec.

Definition at line 245 of file types.hpp.

◆ has_bloom_filter

bool signet::forge::ColumnFileStats::has_bloom_filter = false

Whether a bloom filter is present.

Definition at line 250 of file types.hpp.

◆ has_page_index

bool signet::forge::ColumnFileStats::has_page_index = false

Whether column/offset index is present.

Definition at line 251 of file types.hpp.

◆ logical_type

LogicalType signet::forge::ColumnFileStats::logical_type = LogicalType::NONE

Logical annotation.

Definition at line 244 of file types.hpp.

◆ null_count

int64_t signet::forge::ColumnFileStats::null_count = 0

Total null count.

Definition at line 249 of file types.hpp.

◆ num_values

int64_t signet::forge::ColumnFileStats::num_values = 0

Total value count.

Definition at line 248 of file types.hpp.

◆ physical_type

PhysicalType signet::forge::ColumnFileStats::physical_type = PhysicalType::BYTE_ARRAY

Storage type.

Definition at line 243 of file types.hpp.

◆ uncompressed_bytes

int64_t signet::forge::ColumnFileStats::uncompressed_bytes = 0

Total uncompressed size.

Definition at line 246 of file types.hpp.

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

include/signet/types.hpp

Public Attributes